From nobody Mon Jan 13 01:44:57 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YWZnl0jpSz5kDww for ; Mon, 13 Jan 2025 01:44:59 +0000 (UTC) (envelope-from kevans@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YWZnl08vCz4sMN for ; Mon, 13 Jan 2025 01:44:59 +0000 (UTC) (envelope-from kevans@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736732699; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=DNuKsU7kztJJK1cRUx6k/PM/qSepJNdvltFRJZQlRSg=; b=IPEIqAbT4GzG2nY67SpbSewh9+yh8rU4Q54Mjdvc8S5tnU6Q1gDcoJYotzeoaY/8lcSYFZ ifYJMmOHtN3vZmsLhr5jZd8uwIRkYn3A1Z7A3cjHeVr8ihRFXTc1zpetwDNtJV16GTPJQX yfjKIQL5lbsYKFTHAhP66zJEJva7HE7ba+j0wr+Wck9aIGXLHENe9qPJCRZ+X+ud8diaxU tcp6UFkhJ63z+BC9YlHfL8AzzgLpzncL3ArFURUH1G74Tx9Qgkh/ectVEEFuS/TIpB/XiF w4OwDJgwZw7GfuVxFDVYiqA5u+7ENxq3nmt/QvUMRcZGINhaNP+QRcBpOJfISg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736732699; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=DNuKsU7kztJJK1cRUx6k/PM/qSepJNdvltFRJZQlRSg=; b=vMZAleF0/DfgnMRFqUOD4ZHnjTkS6oSC2qmweSnuWIGTTy+OfnJVVFwg7qmKMdUdAhRrOs HrzzJmlZkXc7JAkoEbAOON/RUXEyBQQ7g8osHByoS38eGe0cpDG0Cy8zsSdqk9lXyQdXAq 0UFGEfNMUcSI+w1PO6YqXs7Acy13TWQqj0Ft8geTRkaMalbGDoNWiYZudm87tYtdtyedJ7 HQUYWhhynRjUkHG06tqeCnO33aXROG8o9gApSE8H8A4wnZ9dcwpu1hnLFjer8x3WRuPTKO fqhgJ88Fce+A+zwzdRh8YLmL9SvE2awbNJuX9lGqMNNDCjBQ1dzwor6g00L1jA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1736732699; a=rsa-sha256; cv=none; b=aymzZ45302HCuT8cpU0Uic15z8Ah4MtT5/R8E9/HRWznkkA7f41gbEKXrPzLlPBhh/VISm YiymGTh+Lvg2da7FSER6zKXLFh5ppTI8wktREmtqd2IC2WzW0dINFNChc0lbu+bjH1Bie3 y3ewpAM6MawVUxEDuV52WgtdSVIa80wTGioXZDdt3ZSw0qD24X25wobvU5RvevQ3WqayL1 HuKuYQr91QnyPT0iHA2/XFTny+OLodHVi9whnS6vMjtAm9agM0xkiFGtVt62RwAyD2/8jG ytbt9VSYc+01n/7fq0UizdAx/KdZKfuZ1pgGCHlaCKi35P7EW/lBzV/fo1B3Ow== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from [10.9.4.95] (unknown [209.182.120.176]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: kevans/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 4YWZnk5f0Nz19r6 for ; Mon, 13 Jan 2025 01:44:58 +0000 (UTC) (envelope-from kevans@FreeBSD.org) Message-ID: Date: Sun, 12 Jan 2025 19:44:57 -0600 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: freebsd-net@freebsd.org From: Kyle Evans Subject: panic: tcp_do_segment: sent too much Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi, I seem to have hit this panic during normal laptop usage with a -CURRENT running at 2832af7b4ea256b18ef4dbf2ff97a50765f0609a: panic: tcp_do_segment: sent too much cpuid = 5 time = 1736731772 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe015b74b9b0 vpanic() at vpanic+0x136/frame 0xfffffe015b74bae0 panic() at panic+0x43/frame 0xfffffe015b74bb40 tcp_do_segment() at tcp_do_segment+0x2998/frame 0xfffffe015b74bc20 tcp_input_with_port() at tcp_input_with_port+0x10f8/frame 0xfffffe015b74bd70 tcp_input() at tcp_input+0xb/frame 0xfffffe015b74bd80 ip_input() at ip_input+0x28f/frame 0xfffffe015b74bde0 swi_net() at swi_net+0x19b/frame 0xfffffe015b74be60 ithread_loop() at ithread_loop+0x266/frame 0xfffffe015b74bef0 fork_exit() at fork_exit+0x82/frame 0xfffffe015b74bf30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe015b74bf30 Doing a little bit of inspection: (kgdb) print tp->t_dupacks $1 = 1 (kgdb) print tp->snd_limited $6 = 0 '\000' (kgdb) p/x tp->t_flags $4 = 0x10000264 (kgdb) print maxseg $1 = 1428 `sent` appears to be optimized out. As far as I know, I don't hit this one often, but I'm wondering if there's anything else useful I could extract here / if anyone has a theory about what happened. Thanks, Kyle Evans From nobody Mon Jan 13 01:50:48 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YWZwb4BH0z5kFWW for ; Mon, 13 Jan 2025 01:50:55 +0000 (UTC) (envelope-from zlei@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YWZwb3bKVz4tJn; Mon, 13 Jan 2025 01:50:55 +0000 (UTC) (envelope-from zlei@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736733055; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dy2fwhqY6WN/LYI8LsI5CJi4w1tdTfEkURhoijthwdA=; b=ufBOe54W8ZJHwsyEsGBiR6nc3ld/wPIdb7dsZR3/7vGqQdHJjFOAGYlZIrwf+ECCe9KwNZ 4moav/7PIYcrbGkPK1g+loEsW6cDROJweVEeYHRilYZDXLuetbEfrbUADNX5M17UK0v6rO XtH5RklSJln3RfkU9UPv35gshnV81DiHfpJq8VJyddOT1cGx5/tNgxH0JL6hDyS1ZVBUzF /XACTwkWs5uyoO9uoOGC8I6CjtPZOPXLEaC8Bz3+NyWiQuasPjXJRmAkX5D8kkMiVODTdz lVxquF2yU4GfnmnWE5VLIn9L2DrlwmialiHBDjdWWNVqVgsOewtVuBKDSyf45w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736733055; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dy2fwhqY6WN/LYI8LsI5CJi4w1tdTfEkURhoijthwdA=; b=rDAWblzwqki/IR5o+mX8tMczOJoqiNAehUJ3enNBqeu7IGGBTVGjqzo5GL2DWxXPd5DS86 XOVFtvRuzqypms4xI/HGOHJoEza/WsxVgnocoPhmwpO77oJ2kO6+Cp3lM2SWV3tFdJuedA zaOW9M98NE8EmaSvNM5Pkre2XvD9alIOeZ4FslVCkCvU9se/oZh7qdUgCkCWcnRLdj3eWW eHAPgOHC9EUpyXikEsqHvLwqNHPi+c5Psd5aGOmMcUsUOpnP0Xf2Nms6iCMLMclWhPgGAI OYlYvmPjmpSut2yF3haJdcFZoe/plx5HskMZm8l4SulsoaAxH6PedN6N8xMMQQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1736733055; a=rsa-sha256; cv=none; b=Ubr5FQ0KygjhuiKNRf/8q0o2dF05fHufY6sf+rMV24CAywL6POudqhds0Z7sMh+5aYa5I+ pAStV3FLBPmkqLv2s0jAbvPC1S5SDsqM5OJN8BBdCAMUv4jUnfbDsNlvefiMrRbS67xorM GXrO6IufYKSVEnts49VcD+89R9qsbytDynECjP+SM1CrdYpXgUzhT0v0Sfprtxk2EvB3tI lAsiL16DpzF0XCeak+ON3v6aqhcCtXhJc+N3hpWfLCp8bQ9NHMJRsU3myEORduw8AvDlfc YUwumVgDE2xuHisvEhFzVBrCedb6kOW9y6oRQP1wUhnd33e/Wwd1uCEo6bCtwA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from smtpclient.apple (unknown [IPv6:2001:19f0:6001:9db:98f0:9fe0:3545:10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: zlei/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 4YWZwZ4mYhz19dd; Mon, 13 Jan 2025 01:50:54 +0000 (UTC) (envelope-from zlei@FreeBSD.org) Content-Type: text/plain; charset=us-ascii List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.10\)) Subject: Re: panic: tcp_do_segment: sent too much From: Zhenlei Huang In-Reply-To: Date: Mon, 13 Jan 2025 09:50:48 +0800 Cc: freebsd-net@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <2489F085-66F0-44FF-962B-FE06E138BDBF@FreeBSD.org> References: To: Kyle Evans X-Mailer: Apple Mail (2.3696.120.41.1.10) > On Jan 13, 2025, at 9:44 AM, Kyle Evans wrote: >=20 > Hi, >=20 > I seem to have hit this panic during normal laptop usage with a = -CURRENT running at 2832af7b4ea256b18ef4dbf2ff97a50765f0609a: >=20 > panic: tcp_do_segment: sent too much > cpuid =3D 5 > time =3D 1736731772 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame = 0xfffffe015b74b9b0 > vpanic() at vpanic+0x136/frame 0xfffffe015b74bae0 > panic() at panic+0x43/frame 0xfffffe015b74bb40 > tcp_do_segment() at tcp_do_segment+0x2998/frame 0xfffffe015b74bc20 > tcp_input_with_port() at tcp_input_with_port+0x10f8/frame = 0xfffffe015b74bd70 > tcp_input() at tcp_input+0xb/frame 0xfffffe015b74bd80 > ip_input() at ip_input+0x28f/frame 0xfffffe015b74bde0 > swi_net() at swi_net+0x19b/frame 0xfffffe015b74be60 > ithread_loop() at ithread_loop+0x266/frame 0xfffffe015b74bef0 > fork_exit() at fork_exit+0x82/frame 0xfffffe015b74bf30 > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe015b74bf30 >=20 > Doing a little bit of inspection: >=20 > (kgdb) print tp->t_dupacks > $1 =3D 1 > (kgdb) print tp->snd_limited > $6 =3D 0 '\000' > (kgdb) p/x tp->t_flags > $4 =3D 0x10000264 > (kgdb) print maxseg > $1 =3D 1428 >=20 > `sent` appears to be optimized out. As far as I know, I don't hit = this one often, but I'm wondering if there's anything else useful I = could extract here / if anyone has a theory about what happened. I also hit this. When I ssh to my dev machine ( 15.0-CURRENT ) and run = the build, it happens sometimes. It appears to be easy repeated with = busy tcp traffic. >=20 > Thanks, >=20 > Kyle Evans >=20 From nobody Mon Jan 13 06:33:14 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YWjBQ6NzWz5kdPM for ; Mon, 13 Jan 2025 06:33:18 +0000 (UTC) (envelope-from SRS0=vt9c=UF=klop.ws=ronald-lists@realworks.nl) Received: from smtp-relay-int.realworks.nl (smtp-relay-int.realworks.nl [194.109.157.24]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4YWjBQ2z9hz3HN9; Mon, 13 Jan 2025 06:33:18 +0000 (UTC) (envelope-from SRS0=vt9c=UF=klop.ws=ronald-lists@realworks.nl) Authentication-Results: mx1.freebsd.org; none Date: Mon, 13 Jan 2025 07:33:14 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=klop.ws; s=rw2; t=1736749995; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to; bh=5RDBMyj9S2OG3+cM0mX1DBgaVx18Fu9lvMD9rJJPPF8=; b=fNeUfY/NTWmAuWNZSHM2jYJsq4Io+NYVyQSLM6mHxw6QGpzofd24+EMyVml7QQYgFa8jxQ fMRqeKNxBGzmjLdZbV9ufjs6nOB68mun9p0EnJzoM4WSlxKHEPRIfStFeWdkKQ0dwTeSfZ 0Od7hkrNYYublozZsydxMHruVUBk9crUP+0/6F46Q6rxsSa/5q3ZiQrgplMVkranon94Tb /75MyfeFofvR19psfYeJuJ76ft7o7GCV9CAbMVl3Hg/uFkdbSpxkQi/8ChMlPyF7TFFVRB qZ+BcmsKZ52tvXYJMlScOghGvD6Buem1uH/XiQqT2mq6SDMYEx+G5cfPVmB26g== From: Ronald Klop To: Kyle Evans Cc: freebsd-net@freebsd.org Message-ID: <284762638.373.1736749994743@localhost> In-Reply-To: Subject: Re: panic: tcp_do_segment: sent too much List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_372_277463445.1736749994738" X-Mailer: Realworks (733.113) Importance: Normal X-Priority: 3 (Normal) X-Rspamd-Queue-Id: 4YWjBQ2z9hz3HN9 X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:3265, ipnet:194.109.0.0/16, country:NL] ------=_Part_372_277463445.1736749994738 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Seen this before. Does one of these issues match your case? https://bugs.freebsd.org/bugzilla/buglist.cgi?quicksearch=Tcp_do_segment&list_id=789107 Regards, Ronald Van: Kyle Evans Datum: 13 januari 2025 02:45 Aan: freebsd-net@freebsd.org Onderwerp: panic: tcp_do_segment: sent too much > > > Hi, > > I seem to have hit this panic during normal laptop usage with a -CURRENT running at 2832af7b4ea256b18ef4dbf2ff97a50765f0609a: > > panic: tcp_do_segment: sent too much > cpuid = 5 > time = 1736731772 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe015b74b9b0 > vpanic() at vpanic+0x136/frame 0xfffffe015b74bae0 > panic() at panic+0x43/frame 0xfffffe015b74bb40 > tcp_do_segment() at tcp_do_segment+0x2998/frame 0xfffffe015b74bc20 > tcp_input_with_port() at tcp_input_with_port+0x10f8/frame 0xfffffe015b74bd70 > tcp_input() at tcp_input+0xb/frame 0xfffffe015b74bd80 > ip_input() at ip_input+0x28f/frame 0xfffffe015b74bde0 > swi_net() at swi_net+0x19b/frame 0xfffffe015b74be60 > ithread_loop() at ithread_loop+0x266/frame 0xfffffe015b74bef0 > fork_exit() at fork_exit+0x82/frame 0xfffffe015b74bf30 > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe015b74bf30 > > Doing a little bit of inspection: > > (kgdb) print tp->t_dupacks > $1 = 1 > (kgdb) print tp->snd_limited > $6 = 0 '' > (kgdb) p/x tp->t_flags > $4 = 0x10000264 > (kgdb) print maxseg > $1 = 1428 > > `sent` appears to be optimized out. As far as I know, I don't hit this one often, but I'm wondering if there's anything else useful I could extract here / if anyone has a theory about what happened. > > Thanks, > > Kyle Evans > > > > > ------=_Part_372_277463445.1736749994738 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Seen this before.
 Does one of these issues match your case?


Regards,
Ronald 


Van: Kyle Evans <kevans@FreeBSD.org>
Datum: 13 januari 2025 02:45
Aan: freebsd-net@freebsd.org
Onderwerp: panic: tcp_do_segment: sent too much

Hi,

I seem to have hit this panic during normal laptop usage with a -CURRENT running at 2832af7b4ea256b18ef4dbf2ff97a50765f0609a:

panic: tcp_do_segment: sent too much
cpuid = 5
time = 1736731772
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe015b74b9b0
vpanic() at vpanic+0x136/frame 0xfffffe015b74bae0
panic() at panic+0x43/frame 0xfffffe015b74bb40
tcp_do_segment() at tcp_do_segment+0x2998/frame 0xfffffe015b74bc20
tcp_input_with_port() at tcp_input_with_port+0x10f8/frame 0xfffffe015b74bd70
tcp_input() at tcp_input+0xb/frame 0xfffffe015b74bd80
ip_input() at ip_input+0x28f/frame 0xfffffe015b74bde0
swi_net() at swi_net+0x19b/frame 0xfffffe015b74be60
ithread_loop() at ithread_loop+0x266/frame 0xfffffe015b74bef0
fork_exit() at fork_exit+0x82/frame 0xfffffe015b74bf30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe015b74bf30

Doing a little bit of inspection:

(kgdb) print tp->t_dupacks
$1 = 1
(kgdb) print tp->snd_limited
$6 = 0 ''
(kgdb) p/x tp->t_flags
$4 = 0x10000264
(kgdb) print maxseg
$1 = 1428

`sent` appears to be optimized out.  As far as I know, I don't hit this one often, but I'm wondering if there's anything else useful I could extract here / if anyone has a theory about what happened.

Thanks,

Kyle Evans




------=_Part_372_277463445.1736749994738-- From nobody Mon Jan 13 18:59:20 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YX1lL5CQJz5kgG4 for ; Mon, 13 Jan 2025 18:59:26 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: from mail-qk1-x732.google.com (mail-qk1-x732.google.com [IPv6:2607:f8b0:4864:20::732]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YX1lK3bfMz3RKx for ; Mon, 13 Jan 2025 18:59:25 +0000 (UTC) (envelope-from markjdb@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20230601 header.b=DiHK6YhA; spf=pass (mx1.freebsd.org: domain of markjdb@gmail.com designates 2607:f8b0:4864:20::732 as permitted sender) smtp.mailfrom=markjdb@gmail.com; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=freebsd.org (policy=none) Received: by mail-qk1-x732.google.com with SMTP id af79cd13be357-7b8618be68bso391654585a.3 for ; Mon, 13 Jan 2025 10:59:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1736794764; x=1737399564; darn=freebsd.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date:message-id :reply-to; bh=llFtcLKvmU4A8FFiMpa8teIPkAV7rz8eHKbs8HlYPPg=; b=DiHK6YhAcUMKmQ1f7gQ7a/esGnoWZV19lJD+tCPgWhdY78O9pyaISCcHOd6U54r734 qp6EbbBLejoW+XBwrZtVjOX3Ybw9FUZCE6hmMrQKORTw42lYbQjqTwexXsAonWlI9RaP UyOuYJzm4nGXm7xlqo9SxyfDASVzTpiDr6rOP/UZumfOOgfOhbi3aMSw/qChIlLzdf3D blxjTx0UWeqtiGvE0zPjh+dHrAFe0vfHxMvD/5V0Uo1W/jFUw4zEmex89VOy/6UAFjsf B1odkS+svfLOhtuL9glh7+CqhpXJCk/NQkepkebBIRUJ5CBdaGFPgLuoN5yJDgFZ9nEY fb1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736794764; x=1737399564; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=llFtcLKvmU4A8FFiMpa8teIPkAV7rz8eHKbs8HlYPPg=; b=BH6PUmOjAkAtD3dSQIFSR6ViMzSde2VU4Wkm8+4us2PnhpTU/oWqN9naIECSoaFubR UMnb/yFP5BO3zUM3DlP9LGTqbH0O1ECR8iJ9Lu9EC+AIgmm7tlqIAFRyvipC7pkVhkzM 6nGDB87RJ0p9/2wcfKj9/VlbsDHFLLoQifvxibULuwbKNuzpPIY3yd7gWxPv16TELzLT h/nOZpXFZTQ6KDh3X+4u7a3sPoRCgcg1gw3loDt7A+pIB2B/jjdPOhuVVftFO3BwTen4 ZMt1P61+EWX3ZAZWovsY2NH7NdL6wK/0bLySqvTzxbvkEFZnz0cQwA8QNX/fWfUd5y2A m7NA== X-Gm-Message-State: AOJu0Yz8goAp6sw7PCfRl0KMFI4LkNmR+l+ntVZN0U/eesewGH9SBdWg 8f6SohS4BxqqqlexR/tyciysbbrR1eLHXLyu1RaAQikFBePvQ2VTjc0Xsw== X-Gm-Gg: ASbGncsdmi7OYwlNnSzAHrAa25bhFCP4VhKHcxN7IGpdKffqtOpfMXxO0MenKle5HD3 rIuP0ZHZx9nMLX02GLJqcTxHI9E7QOO1mrN+nT9pUfzA43zt3+LtFXsDxu54jpFL+PulCDg0+pz n7nMnvNUyqgEqZHY5Yf1+2BkAuwZK1LBIOOLLf/matz3u/eQ/PqOodeSolUfSrO9bCZQMz1UpV5 4gFIbz9uChZdPlB4uzFSjxaH8hL3MOPeWyJ4F1YVYTObV7GWpfM4pzUtCVe+x2aS8MocdE= X-Google-Smtp-Source: AGHT+IFBLRFZ3S1haNEQ3mnp8h2cER3PPi98TdrqgBqkEJhvIQyv1fUcZcQ7ibcx2dc3TanW6VwSSQ== X-Received: by 2002:a05:620a:2985:b0:79d:759d:4016 with SMTP id af79cd13be357-7bcd972fe76mr3182057785a.11.1736794764410; Mon, 13 Jan 2025 10:59:24 -0800 (PST) Received: from nuc (192-0-220-237.cpe.teksavvy.com. [192.0.220.237]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7bce3502ae2sm520254585a.73.2025.01.13.10.59.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jan 2025 10:59:23 -0800 (PST) Date: Mon, 13 Jan 2025 13:59:20 -0500 From: Mark Johnston To: Paul Vixie Cc: freebsd-net@freebsd.org Subject: Re: per-FIB socket binding Message-ID: References: <7772475.EvYhyI6sBW@dhcp-151.access.rits.tisf.net> <3330519.aeNJFYEL58@localhost> <2841433.BEx9A2HvPv@localhost> List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2841433.BEx9A2HvPv@localhost> X-Spamd-Result: default: False [-0.60 / 15.00]; NEURAL_HAM_SHORT(-1.00)[-0.998]; MID_RHS_NOT_FQDN(0.50)[]; FORGED_SENDER(0.30)[markj@freebsd.org,markjdb@gmail.com]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MIME_GOOD(-0.10)[text/plain]; DMARC_POLICY_SOFTFAIL(0.10)[freebsd.org : SPF not aligned (relaxed), DKIM not aligned (relaxed),none]; MIME_TRACE(0.00)[0:+]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TO_DN_SOME(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MISSING_XM_UA(0.00)[]; ARC_NA(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; RCVD_COUNT_TWO(0.00)[2]; FROM_NEQ_ENVFROM(0.00)[markj@freebsd.org,markjdb@gmail.com]; FROM_HAS_DN(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::732:from]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_TLS_LAST(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; DKIM_TRACE(0.00)[gmail.com:+] X-Spamd-Bar: / X-Rspamd-Queue-Id: 4YX1lK3bfMz3RKx On Sun, Jan 12, 2025 at 07:17:48AM +0000, Paul Vixie wrote: > On Saturday, January 11, 2025 4:51:07 PM UTC Mark Johnston wrote: > > On Sat, Jan 11, 2025 at 06:25:22AM +0000, Paul Vixie wrote: > > > ... the SYN|ACK will always use the FIB from the interface where > > > the SYN arrived (this is in tcp_syncache.c). > > > > This isn't clear to me. The initial SYN will create a syncache entry in the > > > > if (tp->t_state == TCPS_LISTEN && SOLISTENING(so)) > > > > case in tcp_input_with_port(). In this case we define inc.inc_fibnum = > > so->so_fibnum, i.e., the FIB of the listening socket. Then, > > syncache_add() copies inc to sc_inc, so sc_inc.inc_fibnum for the > > syncache entry comes from the listening socket, and syncache_respond() > > sets the SYN|ACK mbuf FIB with M_SETFIB(m, sc->sc_inc.inc_fibnum). What > > am I missing? (Yes, I should actually do an experiement to check the > > behaviour.) > > this is exactly my understanding of that code. the FIB for the SYN|ACK will be > the one from the interface who received the SYN. What I'm saying is that today, the FIB for the SYN|ACK will be that of the listening socket, not that of the receiving interface. sc->sc_inc.inc_fibnum comes from the listening socket, not the SYN. I did a little test with a pair of epairs and a VNET jail to confirm this. If there is a listening socket on 0.0.0.0:8080 in FIB 0, and a SYN to x.x.x.x:8080 arrives from FIB 1, the SYN|ACK will be sent using FIB 0's routing table. I'm not claiming that this behaviour is correct or desireable, just that it's what happens today. With your patch applied, this behaviour is clearly wrong. > it's only later after we > receive the ACK that completes the 3-way handshake that we will begin to use > the FIB of the socket. in terms of your earlier question, this means if we're > going to drop a SYN because it came in on the wrong interface (some form of > uRPF) then the firewall module (PF or IPFW) will be doing that to the SYN well > before a syncache entry is ever created. this seems to imply that the changes > i'm proposing won't be able to permit connections to complete that would have > not have completed -- which you correctly predicted could be surprising. > > the kernel implementations of uRPF-like features are unaffected. > > /* > * net.inet.ip.rfc1122_strong_es: the address matches, verify > * that the packet arrived via the correct interface. > */ > if (__predict_false(strong_es && ia->ia_ifp != ifp)) { > IPSTAT_INC(ips_badaddr); > goto bad; > } > > we're not changing the inbound packet's FIB. > > /* > * net.inet.ip.source_address_validation: drop incoming > * packets that pretend to be ours. > */ > if (V_ip_sav && !(ifp->if_flags & IFF_LOOPBACK) && > __predict_false(in_localip_fib(ip->ip_src, ifp->if_fib))) > { > IPSTAT_INC(ips_badaddr); > goto bad; > } > > unless i misunderstand, this only rejects packets if the source address is the > same as one of the addresses of the interface it arrives on, whereas the > documentation made me expect that a source address which was any address of > any interface would be the trigger. i think my proposal doesn't change this. > > therefore my focus was on the verrevpath, versrcreach, and antispoof features > of IPFW; and the antispoof feature of PF. in those tools, the inbound SYN > would be stopped before it ever reached the SYN cache. > > what i then observed is that the only change resulting from my proposal would > be to the transmission of subsequent segments, which would use the interface's > FIB (if nonzero) rather than the socket's FIB (if zero). if upstream uRPF > would have dropped these segments because they're coming from the wrong place, > then indeed failure would result, and even FIN and RST could not be > transmitted, which would mean the socket would die a slow death by eventual > timeout. my proposal would prevent this, but i think any surprise in this case > would be a welcome one. if actual segments could not be transmitted because > the socket's FIB did not contain a route back to the connection's source, then > failure would be more immediate but the resulting surprise (if any) no less > positive. > > i hope that if that analysis is correct no-one will demand a socket option or > sysctl. to be effective at fixing path symmetry for multihoming, this logic > has to be the default. > > --- > > having finished with accept(), i'm now testing the bind() and bindat() > changes, which ought to be effective for any UDP responder who uses a separate > socket for each interface address it speaks through, which certainly includes > all NTP and DNS servers i'm aware of, and may also help QUIC. > > i've begun to wish for a setfib_fd(2) which would let sshd promote the FIB > from an inbound connection to be process-wide (after fork() before exec().) > that way "netstat -rn" would show the routing table actually being used by the > stdin and stdout of that shell. or perhaps we could just rename SO_SETFIB to > be SO_FIB and allow getsockopt() to return the FIB? (i'm not sure why it was > "set only" in the current implementation.) opinions welcomed, as before. I think the second option is fine, given that we have setfib(2) already: diff --git a/lib/libsys/getsockopt.2 b/lib/libsys/getsockopt.2 index 15e4b76311d8..56f408b7c918 100644 --- a/lib/libsys/getsockopt.2 +++ b/lib/libsys/getsockopt.2 @@ -175,7 +175,8 @@ for the socket .It Dv SO_PROTOTYPE Ta "SunOS alias for the Linux SO_PROTOCOL (get only)" .It Dv SO_ERROR Ta "get and clear error on the socket (get only)" .It Dv SO_RERROR Ta "enables receive error reporting" -.It Dv SO_SETFIB Ta "set the associated FIB (routing table) for the socket (set only)" +.It Dv SO_FIB Ta "get or set the associated FIB (routing table) for the socket" +.It Dv SO_SETFIB Ta "set the associated FIB (routing table) for the socket" .El .Pp The following options are recognized in @@ -359,6 +360,8 @@ or with the error if no data were received. .Pp .Dv SO_SETFIB +and +.Dv SO_FIB can be used to over-ride the default FIB (routing table) for the given socket. The value must be from 0 to one less than the number returned from the sysctl diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index 61bd8a610353..3d1fb645c94d 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -4105,6 +4105,12 @@ sogetopt(struct socket *so, struct sockopt *sopt) error = sooptcopyout(sopt, &optval, sizeof optval); break; + case SO_FIB: + SOCK_LOCK(so); + optval = so->so_fibnum; + SOCK_UNLOCK(so); + goto integer; + case SO_DOMAIN: optval = so->so_proto->pr_domain->dom_family; goto integer; diff --git a/sys/sys/socket.h b/sys/sys/socket.h index cc82d97e9dd5..55c5826744ed 100644 --- a/sys/sys/socket.h +++ b/sys/sys/socket.h @@ -165,6 +165,7 @@ typedef __uintptr_t uintptr_t; #define SO_LISTENQLEN 0x1012 /* socket's complete queue length */ #define SO_LISTENINCQLEN 0x1013 /* socket's incomplete queue length */ #define SO_SETFIB 0x1014 /* use this FIB to route */ +#define SO_FIB SO_SETFIB /* alias for getsockopt(2) */ #define SO_USER_COOKIE 0x1015 /* user cookie (dummynet etc.) */ #define SO_PROTOCOL 0x1016 /* get socket protocol (Linux name) */ #define SO_PROTOTYPE SO_PROTOCOL /* alias for SO_PROTOCOL (SunOS name) */ From nobody Mon Jan 13 19:01:59 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YX1pL4RPKz5khJG for ; Mon, 13 Jan 2025 19:02:02 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Received: from drew.franken.de (mail-n.franken.de [193.175.24.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.franken.de", Issuer "Certum Domain Validation CA SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YX1pL2TTqz3SS5; Mon, 13 Jan 2025 19:02:02 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Authentication-Results: mx1.freebsd.org; none Received: from smtpclient.apple (p200300cd6f319900b1dba7325b9d9fc4.dip0.t-ipconnect.de [IPv6:2003:cd:6f31:9900:b1db:a732:5b9d:9fc4]) (Authenticated sender: lurchi) by mail-n.franken.de (Postfix) with ESMTPSA id 02C83721E281C; Mon, 13 Jan 2025 20:01:59 +0100 (CET) Content-Type: text/plain; charset=us-ascii List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.300.87.4.3\)) Subject: Re: panic: tcp_do_segment: sent too much From: Michael Tuexen In-Reply-To: Date: Mon, 13 Jan 2025 20:01:59 +0100 Cc: freebsd-net@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <020C5409-C587-4D06-B764-1AD0C5783AB2@lurchi.franken.de> References: To: Kyle Evans X-Mailer: Apple Mail (2.3826.300.87.4.3) X-Rspamd-Queue-Id: 4YX1pL2TTqz3SS5 X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:680, ipnet:193.174.0.0/15, country:DE] > On 13. Jan 2025, at 02:44, Kyle Evans wrote: >=20 > Hi, >=20 > I seem to have hit this panic during normal laptop usage with a = -CURRENT running at 2832af7b4ea256b18ef4dbf2ff97a50765f0609a: >=20 > panic: tcp_do_segment: sent too much > cpuid =3D 5 > time =3D 1736731772 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame = 0xfffffe015b74b9b0 > vpanic() at vpanic+0x136/frame 0xfffffe015b74bae0 > panic() at panic+0x43/frame 0xfffffe015b74bb40 > tcp_do_segment() at tcp_do_segment+0x2998/frame 0xfffffe015b74bc20 > tcp_input_with_port() at tcp_input_with_port+0x10f8/frame = 0xfffffe015b74bd70 > tcp_input() at tcp_input+0xb/frame 0xfffffe015b74bd80 > ip_input() at ip_input+0x28f/frame 0xfffffe015b74bde0 > swi_net() at swi_net+0x19b/frame 0xfffffe015b74be60 > ithread_loop() at ithread_loop+0x266/frame 0xfffffe015b74bef0 > fork_exit() at fork_exit+0x82/frame 0xfffffe015b74bf30 > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe015b74bf30 >=20 > Doing a little bit of inspection: >=20 > (kgdb) print tp->t_dupacks > $1 =3D 1 > (kgdb) print tp->snd_limited > $6 =3D 0 '\000' > (kgdb) p/x tp->t_flags > $4 =3D 0x10000264 > (kgdb) print maxseg > $1 =3D 1428 >=20 > `sent` appears to be optimized out. As far as I know, I don't hit = this one often, but I'm wondering if there's anything else useful I = could extract here / if anyone has a theory about what happened. Hi Kyle, you can run your system with TCP black box logging enabled by using sysctl net.inet.tcp.bb.log_auto_all=3D1 sysctl net.inet.tcp.bb.log_auto_ratio=3D1 sysctl net.inet.tcp.bb.log_auto_mode=3D1 Also have the tcplog_dumper running. You can use tcplog_dumper_enable=3D"YES" in /etc/rc.conf You can install tcplog_dumper by pkg intall tcplog_dumper Using these settings (mode =3D TCP_LOG_STATE_TAIL), keeps the trailing = events of all TCP connections, but does not dump anything to disk. If = the kernel panics, we can get the BBLog information from the core. Please note that Gleb has just committed two fixes which also address a = panic() like the one you are experiencing. Best regards Michael >=20 > Thanks, >=20 > Kyle Evans >=20 From nobody Mon Jan 13 19:02:27 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YX1ps1jrMz5khFB for ; Mon, 13 Jan 2025 19:02:29 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Received: from drew.franken.de (mail-n.franken.de [193.175.24.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.franken.de", Issuer "Certum Domain Validation CA SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YX1pr6Ms7z3Ss3; Mon, 13 Jan 2025 19:02:28 +0000 (UTC) (envelope-from michael.tuexen@lurchi.franken.de) Authentication-Results: mx1.freebsd.org; none Received: from smtpclient.apple (p200300cd6f319900b1dba7325b9d9fc4.dip0.t-ipconnect.de [IPv6:2003:cd:6f31:9900:b1db:a732:5b9d:9fc4]) (Authenticated sender: lurchi) by mail-n.franken.de (Postfix) with ESMTPSA id 1F97A721E2817; Mon, 13 Jan 2025 20:02:28 +0100 (CET) Content-Type: text/plain; charset=us-ascii List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.300.87.4.3\)) Subject: Re: panic: tcp_do_segment: sent too much From: Michael Tuexen In-Reply-To: <2489F085-66F0-44FF-962B-FE06E138BDBF@FreeBSD.org> Date: Mon, 13 Jan 2025 20:02:27 +0100 Cc: Kyle Evans , freebsd-net@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <2489F085-66F0-44FF-962B-FE06E138BDBF@FreeBSD.org> To: Zhenlei Huang X-Mailer: Apple Mail (2.3826.300.87.4.3) X-Rspamd-Queue-Id: 4YX1pr6Ms7z3Ss3 X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:680, ipnet:193.174.0.0/15, country:DE] > On 13. Jan 2025, at 02:50, Zhenlei Huang wrote: >=20 >=20 >=20 >> On Jan 13, 2025, at 9:44 AM, Kyle Evans wrote: >>=20 >> Hi, >>=20 >> I seem to have hit this panic during normal laptop usage with a = -CURRENT running at 2832af7b4ea256b18ef4dbf2ff97a50765f0609a: >>=20 >> panic: tcp_do_segment: sent too much >> cpuid =3D 5 >> time =3D 1736731772 >> KDB: stack backtrace: >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame = 0xfffffe015b74b9b0 >> vpanic() at vpanic+0x136/frame 0xfffffe015b74bae0 >> panic() at panic+0x43/frame 0xfffffe015b74bb40 >> tcp_do_segment() at tcp_do_segment+0x2998/frame 0xfffffe015b74bc20 >> tcp_input_with_port() at tcp_input_with_port+0x10f8/frame = 0xfffffe015b74bd70 >> tcp_input() at tcp_input+0xb/frame 0xfffffe015b74bd80 >> ip_input() at ip_input+0x28f/frame 0xfffffe015b74bde0 >> swi_net() at swi_net+0x19b/frame 0xfffffe015b74be60 >> ithread_loop() at ithread_loop+0x266/frame 0xfffffe015b74bef0 >> fork_exit() at fork_exit+0x82/frame 0xfffffe015b74bf30 >> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe015b74bf30 >>=20 >> Doing a little bit of inspection: >>=20 >> (kgdb) print tp->t_dupacks >> $1 =3D 1 >> (kgdb) print tp->snd_limited >> $6 =3D 0 '\000' >> (kgdb) p/x tp->t_flags >> $4 =3D 0x10000264 >> (kgdb) print maxseg >> $1 =3D 1428 >>=20 >> `sent` appears to be optimized out. As far as I know, I don't hit = this one often, but I'm wondering if there's anything else useful I = could extract here / if anyone has a theory about what happened. >=20 > I also hit this. When I ssh to my dev machine ( 15.0-CURRENT ) and run = the build, it happens sometimes. It appears to be easy repeated with = busy tcp traffic. See my response to Kyle... Best regards Michael >=20 >>=20 >> Thanks, >>=20 >> Kyle Evans >>=20 >=20 >=20 >=20 >=20 From nobody Tue Jan 14 00:01:22 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YX8Rl4JKhz5l0py for ; Tue, 14 Jan 2025 00:01:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YX8Rk5n01z3w4M for ; Tue, 14 Jan 2025 00:01:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736812882; 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charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D38554 Mark Linimon changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #22174|text/plain; |text/plain mime type|charset=3Dus-ascii | --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 07:47:23 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXLnR6cTkz5kKKC for ; Tue, 14 Jan 2025 07:47:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXLnR5bp8z3sbp for ; 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Tue, 14 Jan 2025 07:47:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50E7lN5v011642 for ; Tue, 14 Jan 2025 07:47:23 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50E7lNAQ011641 for net@FreeBSD.org; Tue, 14 Jan 2025 07:47:23 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Tue, 14 Jan 2025 07:47:23 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 Andriy Gapon changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|bugs@FreeBSD.org |net@FreeBSD.org --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 07:50:51 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXLsR6WQqz5kKRn for ; Tue, 14 Jan 2025 07:50:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXLsR3Kmhz3tHZ for ; 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Tue, 14 Jan 2025 07:50:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50E7opuD016324 for ; Tue, 14 Jan 2025 07:50:51 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50E7opOJ016323 for net@FreeBSD.org; Tue, 14 Jan 2025 07:50:51 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Tue, 14 Jan 2025 07:50:51 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 --- Comment #1 from Andriy Gapon --- Here is a list of all threads in iflib / vmxnet calls. Except for the crashing thread they all are if_io_tqg threads: 0 100066 kernel if_io_tqg_0 sched_switch+0x8c1 mi_switch+0xc1 msleep_spin_sbt+0x156 gtaskqueue_thread_loop+0xe4 fork_exit+= 0x6d fork_trampoline+0xe 0 100067 kernel if_io_tqg_1 0x7ffbdfebee7d7fff sched_switch+0x8c1 mi_switch+0xc1 msleep_spin_sbt+0x156 gtaskqueue_thread_loop+0xe4 fork_exit+0x6d fork_trampoline+0xe 0 100068 kernel if_io_tqg_2 stack12 native_lapic_ipi_raw+0xad sched_add+0x2e2 setrunnable+0x25 sleepq_broadcast+0x73 cv_broadcastpri+0x41 doselwakeup+0xb9 sowakeup+0x1e tcp_do_segment+0x1b7a tcp_input_with_port+0x996 tcp_input+0xb ip_input+0xf0 netisr_dispatch_src+0x88 ether_demux+0x139 ether_nh_input+0x326 netisr_dispatch_src+0x88 ether_input+0x39 tcp_lro_flush+0x2d4 tcp_lro_flush_all+0x17b _task_fn_rx+0xbb2 gtaskqueue_run_locked+0x12e gtaskqueue_thread_loop+0xb3 fork_exit+0x6d fork_trampoline+0xe 0 100069 kernel if_io_tqg_3 stack12 iflib_fl_refill+0x2b6 _task_fn_rx+0x99c gtaskqueue_run_locked+0x12e gtaskqueue_thread_loop+0xb3 fork_exit+0x6d fork_trampoline+0xe 0 100070 kernel if_io_tqg_4 sched_switch+0x8c1 mi_switch+0xc1 msleep_spin_sbt+0x156 gtaskqueue_thread_loop+0xe4 fork_exit+= 0x6d fork_trampoline+0xe 0 100071 kernel if_io_tqg_5 stack12 lock_delay+0x32 __mtx_lock_sleep+0x128 doselwakeup+0xa3 sowakeup+0x1e tcp_do_segment+0x1b7a tcp_input_with_port+0x996 tcp_input+0xb ip_input+0xf0 netisr_dispatch_src+0x88 ether_demux+0x139 ether_nh_input+0x326 netisr_dispatch_src+0x88 ether_input+0x39 tcp_lro_flush+0x2d4 tcp_lro_flush_all+0x17b _task_fn_rx+0xbb2 gtaskqueue_run_locked+0x12e gtaskqueue_thread_loop+0xb3 fork_exit+0x6d fork_trampoline+0xe 0 100072 kernel if_io_tqg_6 sched_switch+0x8c1 mi_switch+0xc1 msleep_spin_sbt+0x156 gtaskqueue_thread_loop+0xe4 fork_exit+= 0x6d fork_trampoline+0xe 0 100073 kernel if_io_tqg_7 stack12 vmxnet3_isc_txd_flush+0x3d iflib_txd_db_check+0x111 iflib_txq_drain+0x3ae drain_ring_lockless+0x5e ifmp_ring_enqueue+0x26a iflib_if_transmit+0x23d ether_output_frame+0xd7 ether_output+0x6ec ip_output+0xfc6 tcp_output+0x17bc tcp_do_segment+0x1c37 tcp_input_with_port+0x996 tcp_input+0xb ip_input+0xf0 netisr_dispatch_src+0x88 ether_demux+0x139 ether_nh_input+0x326 netisr_dispatch_src+0x88 ether_input+0x39 tcp_lro_flush+0x2d4 tcp_lro_flush_all+0x17b _task_fn_rx+0xbb2 gtaskqueue_run_locked+0x12e gtaskqueue_thread_loop+0xb3 fork_exit+0x6d fork_trampoline+0xe The stack traces are in a compact one-line format. "stack12" is an abbreviation for cpustop_handler+0x26 ipi_nmi_handler+0x38 trap+0x3f nmi_calltrap+0x8 --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 07:52:39 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXLvW6fkmz5kKT5 for ; Tue, 14 Jan 2025 07:52:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXLvW5mGtz3vCW for ; Tue, 14 Jan 2025 07:52:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Tue, 14 Jan 2025 07:52:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50E7qdTg026910 for ; Tue, 14 Jan 2025 07:52:39 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50E7qdRq026908 for net@FreeBSD.org; Tue, 14 Jan 2025 07:52:39 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Tue, 14 Jan 2025 07:52:39 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 --- Comment #2 from Andriy Gapon --- More details from the crashing thread: (kgdb) bt #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:53 #1 doadump (textdump=3D1) at /usr/src/sys/kern/kern_shutdown.c:408 #2 0xffffffff80421b92 in db_command (last_cmdp=3D, cmd_table=3D, dopager=3Dfalse) at /usr/src/sys/ddb/db_comman= d.c:498 #3 0xffffffff80421c16 in db_command_script (command=3Dcommand@entry=3D0xffffffff810f082b "textd= ump dump") at /usr/src/sys/ddb/db_command.c:563 #4 0xffffffff80426e18 in db_script_exec (scriptname=3Dscriptname@entry=3D0xfffffe04f0854b90 "kdb.enter.trap", warnifnotfound=3Dwarnifnotfound@entry=3D0) at /usr/src/sys/ddb/db_script.c:= 302 #5 0xffffffff80426c42 in db_script_kdbenter (eventname=3D) = at /usr/src/sys/ddb/db_script.c:324 #6 0xffffffff80424de1 in db_trap (type=3D, code=3D) at /usr/src/sys/ddb/db_main.c:267 #7 0xffffffff80841f16 in kdb_trap (type=3Dtype@entry=3D12, code=3Dcode@ent= ry=3D0, tf=3Dtf@entry=3D0xfffffe04f0854d90) at /usr/src/sys/kern/subr_kdb.c:734 #8 0xffffffff80b27f65 in trap_fatal (frame=3Dframe@entry=3D0xfffffe04f0854= d90, eva=3Deva@entry=3D18446741883588706312) at /usr/src/sys/amd64/amd64/trap.c:= 933 #9 0xffffffff80b2806f in trap_pfault (frame=3D0xfffffe04f0854d90, usermode=3Dfalse, signo=3D, ucode=3D) at /usr/src/sys/amd64/amd64/trap.c:759 #10 #11 vmxnet3_isc_txd_credits_update (vsc=3D, txqid=3D, clear=3Dfalse) at /usr/src/sys/dev/vmware/vmxnet3/if_vmx.c:1433 #12 0xffffffff80922778 in iflib_fast_intr_rxtx (arg=3D) at /usr/src/sys/net/iflib.c:1591 #13 0xffffffff807c1695 in intr_event_handle (ie=3Die@entry=3D0xfffff801140d= e000, frame=3Dframe@entry=3D0xfffffe04f0854f40) at /usr/src/sys/kern/kern_intr.c:= 1373 #14 0xffffffff80aee529 in intr_execute_handlers (isrc=3D0xfffff801140cb300, frame=3D0xfffffe04f0854f40) at /usr/src/sys/x86/x86/intr_machdep.c:356 (kgdb) fr 11 #11 vmxnet3_isc_txd_credits_update (vsc=3D, txqid=3D, clear=3Dfalse) at /usr/src/sys/dev/vmware/vmxnet3/if_vmx.c:1433 1433 /usr/src/sys/dev/vmware/vmxnet3/if_vmx.c: No such file or directory. (kgdb) i loc sc =3D txq =3D txc =3D processed =3D 0 txcd =3D txr =3D (kgdb) up=20 #12 0xffffffff80922778 in iflib_fast_intr_rxtx (arg=3D) at /usr/src/sys/net/iflib.c:1591 1591 /usr/src/sys/net/iflib.c: No such file or directory. (kgdb) i loc info =3D gtask =3D 0xfffffe02129d63f0 rxq =3D 0xfffffe02129d6340 result =3D ctx =3D 0xfffff80114132c00 sc =3D 0xfffff80114132800 intr_enable =3D false i =3D 0 txq =3D txqid =3D cidx =3D intr_legacy =3D (kgdb) p rxq->ifr_txqid[i] $1 =3D 1 '\001' (kgdb) p sc->vmx_txq[$1] Attempt to dereference a generic pointer. (kgdb) set $sc =3D (struct vmxnet3_softc *)sc (kgdb) p $sc->vmx_txq[$1] $2 =3D {vxtxq_sc =3D 0xfffff80114132800, vxtxq_id =3D 1, vxtxq_last_flush = =3D 1845, vxtxq_intr_idx =3D 10, vxtxq_cmd_ring =3D {vxtxr_next =3D 1842, vxtxr_ndesc= =3D 2048, vxtxr_gen =3D 1, vxtxr_txd =3D 0xfffffe0213780000, vxtxr_paddr =3D 37224448= },=20 vxtxq_comp_ring =3D {vxcr_u =3D {txcd =3D 0xfffffe02129f8000, rxcd =3D 0xfffffe02129f8000}, vxcr_next =3D 0, vxcr_ndesc =3D 2048, vxcr_gen =3D 0, = vxcr_paddr =3D 4632936448, vxcr_zero_length =3D 0, vcxr_zero_length_frag =3D 0, vxcr_p= kt_errors =3D 0},=20 vxtxq_ts =3D 0xfffff801140c6100, vxtxq_sysctl =3D 0xfffff80114d48800, vxt= xq_name =3D "vmx0-tx1\000\000\000\000\000\000\000"} --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 08:13:18 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXMML4nBpz5kM6D for ; 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mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4YXMML3gGBz17N4 for ; Tue, 14 Jan 2025 08:13:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50E8DIRh068152 for ; Tue, 14 Jan 2025 08:13:18 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50E8DIvR068151 for net@FreeBSD.org; Tue, 14 Jan 2025 08:13:18 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Tue, 14 Jan 2025 08:13:18 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 --- Comment #3 from Andriy Gapon --- >From the data in comment #2 it appears that the faulting access to address 0xfffffe0212a00008 could have been an access to txcd =3D 0xfffffe02129f8000 just beyond the en= d of the array. Given that vxcr_ndesc =3D 2048 and that the size of a descriptor (vmxnet3_txcompdesc) is 16 that produces 32K bytes or 0x8000. Additional 8 bytes is an offset gen and type bit-fields in the descriptor. So, it appears that vxcr_next coudl have been equal to vxcr_ndesc "for a moment". In the crash dump it's zero, but the only explanation for 0xfffffe0212a00008 access is that ti could have overflown. I suspect that the overflow could have resulted from a concurrent (or, perh= aps, recursive) execution of vmxnet3_isc_txd_credits_update. Looking at thread 100073, I can see that it is possible for an RX thread to= end up in TXQ related routines. It seems that there is an execution path to vmxnet3_isc_txd_credits_update: ifmp_ring_enqueue -> ifmp_ring_check_drainage -> r->can_drain() =3D=3D iflib_txq_can_drain -> isc_txd_credits_update. As far as I can see, that execution path does not take any locks. Although thread 100073 (if_io_tqg_7) is for a different set of queues, it's possible that if_io_tqg_1 could have made the same calls "a bit earlier". If such concurrent execution is indeed possible then one thread could mess = up vxcr_next for the other thread. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 10:12:40 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXQ136wdQz5kTYF for ; Tue, 14 Jan 2025 10:12:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXQ1367Jvz470s for ; Tue, 14 Jan 2025 10:12:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Tue, 14 Jan 2025 10:12:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50EACdJ2086345 for ; Tue, 14 Jan 2025 10:12:39 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50EACdEr086344 for net@FreeBSD.org; Tue, 14 Jan 2025 10:12:39 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Tue, 14 Jan 2025 10:12:40 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: zlei@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 Zhenlei Huang changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kp@freebsd.org --- Comment #4 from Zhenlei Huang --- Kristof made https://reviews.freebsd.org/D43712 to make vmxnet3 more robust, but that is only in -current. May you please gave it a try ? You can apply = that to stable/13 locally and re-run the test. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 10:41:46 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXQff739Tz5kVw2 for ; Tue, 14 Jan 2025 10:41:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXQff65Zzz3Hw9 for ; Tue, 14 Jan 2025 10:41:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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Tue, 14 Jan 2025 10:41:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50EAfkdG032373 for ; Tue, 14 Jan 2025 10:41:46 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50EAfkvo032372 for net@FreeBSD.org; Tue, 14 Jan 2025 10:41:46 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Tue, 14 Jan 2025 10:41:46 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 --- Comment #5 from Andriy Gapon --- (In reply to Zhenlei Huang from comment #4) IMO, that's "just" a band-aid that may or may not make the crash less likel= y, but won't eliminate it. The crash may happen earlier, at the start of the = loop where vxcr_next is used as an index. Ideally, we should fix the race. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 10:51:19 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXQsg38zZz5kWXl for ; Tue, 14 Jan 2025 10:51:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXQsg2ZqGz3K48 for ; Tue, 14 Jan 2025 10:51:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736851879; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bapYc0IEXHunS0rUVYDSMXKjXydo5rV+Pu9zSVDEAJs=; b=aATg36JioLBNpdoW3/9la0jA6nealxVC95Mkp0DKGe+q4/iafCMv79nKvtrDKbs2dREZFF h4DFqxAho7ikJ87xzrsulw0U9RR6D8T9E2ZwEVdVRVoThShczaK7wn4Tle/pIwbi6lTE6d CFKa/tf4WEfn48qJ4NrOYknKu9gN3QUJKNXRpzB96+aALdXA0AYD/hPLYo5K5pL7KbPIm8 Qyp3xrY3ylTvKpaWdVXTwOG2dG0/i1bPi4YkvIC6IGRCgFOPTRL7pX8R4mLrc5hxSuzVil D1rhMGiNZolVfy2c61BOHj8d2Ys85LCkEC5ZIodfjyUMOvTmr+/Vn+6FCMZ8Rw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736851879; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bapYc0IEXHunS0rUVYDSMXKjXydo5rV+Pu9zSVDEAJs=; b=kHtgJApohSvmYMfKiaNP+THFQ4T+7ZLkpojHwHl0v+iKwPSnma/aDcAjYX6zeebbcG98Wy R+u5w6NVP4nIwhgIpaLJ6uBxlokSrBN4dUXVCZRyBS0Fl6mpPDiuyHkGaVqraXcYpz/8l6 VZqf7dY9vAac4snQFnqCed/PRv45RXkU8OnxEqgmod1sp6nLL1sWSOXu4KG/mvGBZCa2MC jfzfnd7atbzJQJkRywBjvPvdRCGxXDl+Z7DhAHvFdRE95kmzm49/5+gn8gn16Zbx8m6gWI GdEdmJwcEfa0jGaBFmWXIIqa5Tagjto1kFqQGfRORXQNmTYAM7I9P05euK/xaA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1736851879; a=rsa-sha256; cv=none; b=pcvqhyEmUIEfhtDpZS8kAz8+Fxhmj8bkSB4kBHANJo/VCUCitREFeThvBRH+GQO3yXwGFp 3CH+Epy9akGlYT9Nc/HssKbDnGazhE7w132VvbGwHPZ3KgjkQN9oo+mGt3zI+egLiJolM+ qcnkQ9C3TjZ4huFqwbTa08xjojgNAU7J+N0uk3K37Bdleukq4vd94N2t+7S4GvgkV7zO+e txM3F6Na7irWNum0omJylogpAXF/VTHASc/dSsEBHWrkQlVxfyKkUGywTa3UblkA7MA526 YUnzCUETGH6HGgHDW84zXNr50tNYBLjOCiTvKNXcPW3mgySRc8NaypM1/Q8Cug== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4YXQsg1yFNz1CVZ for ; Tue, 14 Jan 2025 10:51:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50EApJt5047215 for ; Tue, 14 Jan 2025 10:51:19 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50EApJJg047201 for net@FreeBSD.org; Tue, 14 Jan 2025 10:51:19 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Tue, 14 Jan 2025 10:51:19 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: kp@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 --- Comment #6 from Kristof Provost --- (In reply to Andriy Gapon from comment #5) That's accurate. It was only ever intended to make the crash less likely (a= nd as far as I can tell, has achieved that), not be a fully correct fix. I'm insufficiently familiar with this driver and also lack the time to dig = in deep enough for a fully correct fix. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 10:59:00 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXR2X1ZTkz5kXG6 for ; Tue, 14 Jan 2025 10:59:00 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXR2X0hf0z3KnG for ; Tue, 14 Jan 2025 10:59:00 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Tue, 14 Jan 2025 10:58:59 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50EAwxm7059989 for ; Tue, 14 Jan 2025 10:58:59 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50EAwxAJ059988 for net@FreeBSD.org; Tue, 14 Jan 2025 10:58:59 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 173002] [net] data type size problem in if_spppsubr.c Date: Tue, 14 Jan 2025 10:59:00 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: Unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D173002 --- Comment #7 from commit-hook@FreeBSD.org --- A commit in branch stable/13 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D08ec14fecf6a93c0321c31ba1f0b04db6= b888f16 commit 08ec14fecf6a93c0321c31ba1f0b04db6b888f16 Author: Zhenlei Huang AuthorDate: 2025-01-14 10:56:49 +0000 Commit: Zhenlei Huang CommitDate: 2025-01-14 10:56:49 +0000 sppp: Fix getting wrong spppreq cmd from ioctl ifr->ifr_data is supposed to point to a struct spppreq. The first member cmd of struct spppreq is int type. It was pre-read via `fueword()` befo= re a full fetching. Unfortunately an user space `struct spppreq spr` may n= ot be zeroed explicitly, on 64bit architectures `fueword()` reads 64bit wo= rd thus the garbage (extra 4 bytes) may be read into kernel space (subcmd). Prior to f9d8181868ee, `subcmd` was declared as int and assigned from `fuword()` and was implicitly converted from long to int. On 64bit litt= le endian architectures the implicitly conversion overflows (undefined bahavior) which happen to trash the garbage (the extra 4 bytes, high 32 bits) and worked, but no luck on 64bit big endian architectures. Since f9d8181868ee `subcmd` was changed to u_long then there is no conversion so we end up mismatching `subcmd` with user space's `cmd`. It is also a bit hackish to get the value of cmd via `fueword()`, inste= ad we refer to it directly from spr->cmd. This is a direct commit to stable/13 as sppp(4) no longer exists in main and stable/14. PR: 173002 Reviewed by: glebius (previous version) Fixes: f9d8181868ee Fixed yet more ioctl breakage due to the type of .= .. Differential Revision: https://reviews.freebsd.org/D47335 sys/net/if_spppsubr.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 11:06:12 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXRBr5d9Xz5kX64 for ; Tue, 14 Jan 2025 11:06:12 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXRBr4xzTz3Lwn for ; Tue, 14 Jan 2025 11:06:12 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Tue, 14 Jan 2025 11:06:12 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50EB6CuI077208 for ; Tue, 14 Jan 2025 11:06:12 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50EB6C48077207 for net@FreeBSD.org; Tue, 14 Jan 2025 11:06:12 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Tue, 14 Jan 2025 11:06:12 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 --- Comment #7 from Andriy Gapon --- (In reply to Kristof Provost from comment #6) My thinking on purely defensive code is that maybe we can stash vxcr_next i= nto a local variable, check and increment it (with the wraparound) and then upd= ate back vxcr_next, maybe using atomic compare and set. This won't eliminate the race and won't improve correctness of vmxnet3_isc_txd_credits_update result, but it should make the code even saf= er comparing to your proposed patch where the initial array access indexed by vxcr_next may still be out of bounds. In the crash that I reported here, vxcr_next didn't run wild, it got wrapped around. But for a moment it was equal to vxcr_ndesc and that was enough to cause the crash. Which is very rare, admittedly. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 11:16:37 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXRQt4FjZz5kXqZ for ; Tue, 14 Jan 2025 11:16:38 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXRQt2pqMz3MkJ for ; Tue, 14 Jan 2025 11:16:38 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; 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Tue, 14 Jan 2025 11:16:38 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50EBGcxV094024 for ; Tue, 14 Jan 2025 11:16:38 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50EBGcVD094023 for net@FreeBSD.org; Tue, 14 Jan 2025 11:16:38 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 173002] [net] data type size problem in if_spppsubr.c Date: Tue, 14 Jan 2025 11:16:37 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: Unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: zlei@FreeBSD.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: zlei@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: resolution bug_severity assigned_to bug_status Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D173002 Zhenlei Huang changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Severity|Affects Only Me |Affects Some People Assignee|net@FreeBSD.org |zlei@FreeBSD.org Status|Open |Closed --- Comment #8 from Zhenlei Huang --- Fixed in stable/13. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Tue Jan 14 11:25:26 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXRdC2JNsz5kYGb for ; Tue, 14 Jan 2025 11:25:35 +0000 (UTC) (envelope-from zlei@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXRdC1XBXz3Px5; 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Tue, 14 Jan 2025 11:25:33 +0000 (UTC) (envelope-from zlei@FreeBSD.org) From: Zhenlei Huang Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.10\)) Subject: Any real usage of sppp(4) on architectures other than i386 or amd64 ? Message-Id: <0DC91E3B-DDB4-43ED-866E-3DA02BBA1241@FreeBSD.org> Date: Tue, 14 Jan 2025 19:25:26 +0800 Cc: Gleb Smirnoff To: FreeBSD Net X-Mailer: Apple Mail (2.3696.120.41.1.10) Hi, I just fixed one long standing bug of sppp(4) [1]. During the testing I = found ng_sppp(4) depends on this module. Unfortunately sppp(4) is only = enabled on i386 and amd64 by default but ng_sppp(4) is enabled on all = architectures. So on architectures other than i386 and amd64 `kldload = ng_sppp` will never succeed. I suppose sppp(4) is rarely used nowadays so I'm planing to = conditionally build ng_sppp(4) only on i386 and amd64. Is there still = real usage of sppp(4) on other architectures ? 1. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D173002 Best regards, Zhenlei From nobody Tue Jan 14 20:31:06 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXgkj4YsJz5kNs0 for ; Tue, 14 Jan 2025 20:31:09 +0000 (UTC) (envelope-from glebius@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXgkj3j06z4HsV; Tue, 14 Jan 2025 20:31:09 +0000 (UTC) (envelope-from glebius@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736886669; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=+4AVsV/NWQAGa/uRQBTgFo5El8g+DVqsEI2i0S4JuAs=; b=CB2A/HSMVIcOiZSRJtLoJscGwqd4w63Dg8+XRMB42y/CsSt0eLPfwLdHNg4b3U+KSu7NVe 2jgU5jofFmWwzWwAYHvNj/iBTltwqvAPZxRro6nVZvvTxvNP8AI5fA2+7Lv+gHujkuB+0w X6qtt2xSP3wPvxLpOa4AodK5UdWE9b4sHcuEuieZSPlYaRxpjz0Gk1KVenxN58DOv2qveE 6n569igQ4dG/aOaJ5n4hVuF3kCr+ewGi3bcv++J6mrWJBVXblUqyTAkstt1GPrky95PDBP 8qGBvtfLQBoaL5grhNqwJDlEryXCV/nKkGktxa755xAsJdkHBvh/u92jc9EpOQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736886669; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=+4AVsV/NWQAGa/uRQBTgFo5El8g+DVqsEI2i0S4JuAs=; b=vxKlOd5CPtU/8GVIlninq4t8Xf1D9SZM/NNICjMijqTVT0HfI1ShmReJUxetHYGPDfpktc ooYWMcLz1/M7sgVU8wqsofundXF1HAJN9t4oOYpvT/u3CqDG+fG7icLR7+9P9YarjXu1EM 3u1/c0h73YPabPZyUKahSp/MPdaTx6aXcQYKTL8VfvSR3JfwBMI/2XnQzpkrzOpLoPyKby 6FUNtPQMpJLv+3uw39jqwSF+B6zgfe3FIxZWdR3ii1fDYuanZHgJftPC/Gr0tX/Y0VuU9n nFJWOLYTHliWJPoYkAlUJOe9HtpK0Dy9s3hQj8bA50p20qOO2Q+MDnoLxtE1kg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1736886669; a=rsa-sha256; cv=none; b=QDT1pNNSZ/wYEVLvxUbRf+rwYLvYtGvfH4VF5fUEF7Eiyyb4QezPV/nyfNimQl3Cf2Bslq PBJfZ/ZkDbj9L3VLi0f7I+NLBDFINJ58j5QL0h6uZgSYSI9spa1oPvyKlx8A5ZXV4FgaxA uip5KqMlDQ1RiOAvoVJve8BzVodF58obe1dNoPZTZroYXLavzggd9AssTwhfFOxgLfRkd4 Wf2vtXmlxvd5oPMmmjZW1Ju7ZT2Mv8xWkNTZHsxfePgRJdqHGvoM4VH0zqFGOKrrAOxTmz CEg9T65F7ZYV5oQpcZK06NlagL8mSLX+XaxmiGzV2bI/ofVBXiSyJksXrpAnQw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from cell.glebi.us (glebi.us [162.251.186.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: glebius) by smtp.freebsd.org (Postfix) with ESMTPSA id 4YXgkj0H00zs0J; Tue, 14 Jan 2025 20:31:08 +0000 (UTC) (envelope-from glebius@freebsd.org) Date: Tue, 14 Jan 2025 12:31:06 -0800 From: Gleb Smirnoff To: Zhenlei Huang Cc: FreeBSD Net Subject: Re: Any real usage of sppp(4) on architectures other than i386 or amd64 ? Message-ID: References: <0DC91E3B-DDB4-43ED-866E-3DA02BBA1241@FreeBSD.org> List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0DC91E3B-DDB4-43ED-866E-3DA02BBA1241@FreeBSD.org> On Tue, Jan 14, 2025 at 07:25:26PM +0800, Zhenlei Huang wrote: Z> I just fixed one long standing bug of sppp(4) [1]. During the testing I found ng_sppp(4) depends on this module. Unfortunately sppp(4) is only enabled on i386 and amd64 by default but ng_sppp(4) is enabled on all architectures. So on architectures other than i386 and amd64 `kldload ng_sppp` will never succeed. Z> Z> I suppose sppp(4) is rarely used nowadays so I'm planing to conditionally build ng_sppp(4) only on i386 and amd64. Is there still real usage of sppp(4) on other architectures ? Z> Z> 1. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=173002 I would claim there is no usage of neither sppp(4) nor ng_sppp(4) on any architecture in a very long term. Last time I run this kind of network framing in 2004 and in that times the right way to do it was either pure negraph(4) graph based on ng_cisco(4) or ports/net/mpd + ng_ppp(4). Don't waste your time on this code. -- Gleb Smirnoff From nobody Tue Jan 14 23:49:39 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YXm7l1mJ7z5kbwN for ; Tue, 14 Jan 2025 23:49:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YXm7l1GMmz3SdL for ; Tue, 14 Jan 2025 23:49:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736898579; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; 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Tue, 14 Jan 2025 23:49:38 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50ENnc7W042874 for net@FreeBSD.org; Tue, 14 Jan 2025 23:49:38 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 280037] KTLS with Intel QAT may trigger kernel panics Date: Tue, 14 Jan 2025 23:49:39 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-RELEASE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: 3226388001@jcom.home.ne.jp X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.isobsolete attachments.created Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D280037 ss3bsd <3226388001@jcom.home.ne.jp> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #256331|0 |1 is obsolete| | --- Comment #19 from ss3bsd <3226388001@jcom.home.ne.jp> --- Created attachment 256705 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D256705&action= =3Dedit draft patch that addresses comment no.11 and 14 (updated) (patch updated) I guess the (new) QAT driver should do something like this draft patch. 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Wed, 15 Jan 2025 13:11:00 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50FDB0sR056105 for ; Wed, 15 Jan 2025 13:11:00 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50FDB0RD056104 for net@FreeBSD.org; Wed, 15 Jan 2025 13:11:00 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Wed, 15 Jan 2025 13:11:00 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 --- Comment #8 from Andriy Gapon --- Created attachment 256710 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D256710&action= =3Dedit alternative proposed patch Currently testing the attached patch. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Thu Jan 16 04:17:24 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YYV2F12q9z5l6yV for ; Thu, 16 Jan 2025 04:17:25 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YYV2D5FLGz3M4k for ; 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Thu, 16 Jan 2025 04:17:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50G4HOXP064769 for ; Thu, 16 Jan 2025 04:17:24 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50G4HOEV064768 for net@FreeBSD.org; Thu, 16 Jan 2025 04:17:24 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284073] bnxt: kernel panic on 14.2-RELEASE Date: Thu, 16 Jan 2025 04:17:24 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-RELEASE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: linimon@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to keywords Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284073 Mark Linimon changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|bugs@FreeBSD.org |net@FreeBSD.org Keywords| |crash --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Thu Jan 16 13:54:50 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YYkrs1PzGz5kTRD for ; Thu, 16 Jan 2025 13:55:09 +0000 (UTC) (envelope-from fakedme+freebsd@gmail.com) Received: from mail-oi1-x22d.google.com (mail-oi1-x22d.google.com [IPv6:2607:f8b0:4864:20::22d]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YYkrr258jz48QW for ; 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([2804:1b1:fc80:270f::536f:6e69]) by smtp.googlemail.com with ESMTPSA id 5614622812f47-3f0376126c1sm5807672b6e.10.2025.01.16.05.55.05 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Jan 2025 05:55:06 -0800 (PST) Message-ID: Date: Thu, 16 Jan 2025 10:54:50 -0300 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: freebsd-net@freebsd.org From: "Soni \"It/Its\" L." Subject: ipsec as an address family Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-3.92 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.92)[-0.918]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com]; TAGGED_FROM(0.00)[freebsd]; TO_MATCH_ENVRCPT_ALL(0.00)[]; ARC_NA(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::22d:from] X-Spamd-Bar: --- X-Rspamd-Queue-Id: 4YYkrr258jz48QW we would like to propose an experiment where we treat ipsec as an address family, similar to tcp/ip or tcp/ipv6 but with tcp/ipsec instead. traditionally, ipsec is something the sysadmin configures between systems. well, nowadays we use wg because the configuration flow is basically the same. so ipsec as a vpn is conceptually very outdated. this experiment basically involves adding ipsec as a first-class address family, including AF_IPSEC and sockaddr_ipsec. also, there's not much point trying to support ipv4 since ipsec (in)famously doesn't work over ipv4 due to NAT (but we can still discuss AF_IPSEC_LEGACY if there's enough interest). the purpose of the experiment would be to see if such thing is at all viable, and whether or not it has the consequence of protecting an application endpoint against traditional forms of network scanning. (in particular, our hope is that someone at an internet exchange would be able to see the routing address (IPv6), but not the keys necessary to actually initiate a connection to the service. this should raise the cost of attacks that rely on such simple scanning techniques.) we have also briefly discussed the experiment on the ipsec IETF mailing list. would anyone be interested in such an experiment? 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[37.110.95.35]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5439af732d2sm84678e87.176.2025.01.16.11.57.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jan 2025 11:57:46 -0800 (PST) Date: Thu, 16 Jan 2025 22:57:43 +0300 From: Vadim Goncharov To: "Soni \"It/Its\" L." Cc: freebsd-net@freebsd.org Subject: Re: ipsec as an address family Message-ID: <20250116225743.3bffd39f@nuclight.lan> In-Reply-To: References: X-Mailer: Claws Mail 3.19.1 (GTK+ 2.24.33; amd64-portbld-freebsd12.4) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-3.96 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.96)[-0.961]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_TWO(0.00)[2]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; FREEMAIL_TO(0.00)[gmail.com]; RCVD_TLS_LAST(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TAGGED_RCPT(0.00)[freebsd]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::134:from] X-Spamd-Bar: --- X-Rspamd-Queue-Id: 4YYtvK06JHz3pMp On Thu, 16 Jan 2025 10:54:50 -0300 "Soni \"It/Its\" L." wrote: > we would like to propose an experiment where we treat ipsec as an > address family, similar to tcp/ip or tcp/ipv6 but with tcp/ipsec instead. > > traditionally, ipsec is something the sysadmin configures between > systems. well, nowadays we use wg because the configuration flow is > basically the same. so ipsec as a vpn is conceptually very outdated. > > this experiment basically involves adding ipsec as a first-class address > family, including AF_IPSEC and sockaddr_ipsec. also, there's not much > point trying to support ipv4 since ipsec (in)famously doesn't work over > ipv4 due to NAT (but we can still discuss AF_IPSEC_LEGACY if there's > enough interest). > > the purpose of the experiment would be to see if such thing is at all > viable, and whether or not it has the consequence of protecting an > application endpoint against traditional forms of network scanning. (in > particular, our hope is that someone at an internet exchange would be > able to see the routing address (IPv6), but not the keys necessary to > actually initiate a connection to the service. this should raise the > cost of attacks that rely on such simple scanning techniques.) > > we have also briefly discussed the experiment on the ipsec IETF mailing > list. > > would anyone be interested in such an experiment? Could you provide technical overview, both from API and packet format side, at least briefly? -- WBR, @nuclight From nobody Thu Jan 16 20:31:01 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YYvdr3K9Zz5ksvk for ; Thu, 16 Jan 2025 20:31:12 +0000 (UTC) (envelope-from fakedme+freebsd@gmail.com) Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YYvdr1Ym0z3xQP for ; Thu, 16 Jan 2025 20:31:12 +0000 (UTC) (envelope-from fakedme+freebsd@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-pl1-x631.google.com with SMTP id d9443c01a7336-21631789fcdso32295395ad.1 for ; Thu, 16 Jan 2025 12:31:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1737059471; x=1737664271; darn=freebsd.org; h=in-reply-to:from:content-language:references:cc:to:subject :user-agent:mime-version:date:message-id:sender:from:to:cc:subject :date:message-id:reply-to; bh=Afq1+tNmo646RM1+hZiQXlHBs2mE1w9l+r1H7UnbQFY=; b=bYI55XMqpKmfZkVxAUy0Cg9TGmYq3yRsS9z3gn+V9QlgGbyqY2y8Vjam5nAv3fEFET jpiYUxp+dyt5qMoTD5Hf0uGYlTXhy8zdmFdw714H96rlcytNdaE9JJy1EZMcGUgkSgvl ElsTXeH9x0H4cGzDGS3zCQOsN8gXFjt04eXmkxi+T2Ml4m2MOhHJq/OIYa+HacB/ELKh c4EKWtTBpaHBb8vRF19jsEwj95F1OafeMsKMbNyCMiZHDR85+gszDXkklRJEbNJAccLO ykEBx+QVQkIkMtO5SfW4mq4YAYVLqthEO2QcVQTGWRvkVUcsj+iBqjCpl4iyS2HEmwho m/QQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737059471; x=1737664271; h=in-reply-to:from:content-language:references:cc:to:subject :user-agent:mime-version:date:message-id:sender:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Afq1+tNmo646RM1+hZiQXlHBs2mE1w9l+r1H7UnbQFY=; b=TdI3fWXAF/GZLVWyy8NrxbeKew6EkzWy/tXJ4RduKc8NXQSsJF0Xfnaga/t+Hg33Dd ABRwLH/9teXZhBjoBy7SKxCuJLaGflKblsqZ6qXx4uh9i3u530v0ASKjGavGQAWihhPC pfZPGNYk4UmIjRzBVdlXRHl5MIF2OTHtBDPRQS7uz1Yv/OttfBRXUICQ/bY6vFO7fo52 sQYeALY2OpobXAHPp8lePnGf63ITFNLYh8GdOoI+TzBC2rRzCVwP05YlKdqErBrcUdi4 bklR8NHDHr/MvtPlXjigxZ5rBKdqoMqDuNHlr/2tc/6fxUksf7V77xKp9+JSYTzYhdpi kPrw== X-Gm-Message-State: AOJu0Yxt+H+t5tV7nmXq8ml1y3T2HaxCEl+AEXPLUgrfQ6NEhW/OwWZL zzI3XxuRMEq1V1KUXzcH7aPtll/NMUG5fvd+y2kY9oHAWtdVfxKz X-Gm-Gg: ASbGnctG6OH13cPZGvOfpEPUDQi78PiYI2hPkxlGuAwEFV3Xs5lEHvehmGmhUeUbD21 rmITrlz6vxPgsOS0wnkqtp/vfd/0d0PQtdjWg8AcR0x1AiWXuL0esNhpHEQABkkmtXbWEo1RJ7j rgJuKJUWq3KaTP2soK59DQWMrO95+J6gnfGhVEeZ1Fcm+ymRX9cq9KL09++POjvsaiF4xD1QOvT wZdlvcLhZ/T6n/epMVVxlN0x6qPFW/64Qsp+s57FKd6i7USkKDbIVQSVmYaQfgFurCyqbtUbzDS RtSEeIOkqEk= X-Google-Smtp-Source: AGHT+IGunAzKPv4lj36CMA7tpW0aaKm1PX6LqWLMj74pf60JwIfp59Js818pwiMw6RNaFJMiIaTTFg== X-Received: by 2002:a05:6a00:2d11:b0:725:ebc2:c321 with SMTP id d2e1a72fcca58-72d8c4ae92dmr15680886b3a.4.1737059470843; Thu, 16 Jan 2025 12:31:10 -0800 (PST) Received: from ?IPV6:2804:1b1:fc80:270f::536f:6e69? ([2804:1b1:fc80:270f::536f:6e69]) by smtp.googlemail.com with ESMTPSA id 41be03b00d2f7-a9bdd02b954sm440964a12.52.2025.01.16.12.31.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Jan 2025 12:31:10 -0800 (PST) Content-Type: multipart/alternative; boundary="------------TnUqIKRLHzXkVD5mICATBJ6o" Message-ID: Date: Thu, 16 Jan 2025 17:31:01 -0300 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: ipsec as an address family To: Vadim Goncharov Cc: freebsd-net@freebsd.org References: <20250116225743.3bffd39f@nuclight.lan> Content-Language: en-US From: "Soni \"It/Its\" L." In-Reply-To: <20250116225743.3bffd39f@nuclight.lan> X-Rspamd-Queue-Id: 4YYvdr1Ym0z3xQP X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; TAGGED_FROM(0.00)[freebsd]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] This is a multi-part message in MIME format. --------------TnUqIKRLHzXkVD5mICATBJ6o Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2025-01-16 16:57, Vadim Goncharov wrote: > Could you provide technical overview, both from API and packet format side, at > least briefly? > packet format is just regular ipsec, there are no protocol changes required! API... we're currently thinking the sockaddr_ipsec struct would take a key (appropriate for the task, e.g. public key for connect, private key for bind). we're however not so certain about the private key part, but at least for connecting, it makes sense to just take the public key of the target. ideally we would also be able to request just authentication, just encryption, or both, tho we're not entirely sure how the API should look (authentication-only is the most useful to us, as we're just trying to prevent port scanning and most modern protocols (TLS, SSH, minecraft server protocol, etc) provide their own encryption anyway). it's not unusual to have an asymmetry between connect and bind, as an example, port 0 is reserved for connect but lets the OS pick a port for bind. --------------TnUqIKRLHzXkVD5mICATBJ6o Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit

On 2025-01-16 16:57, Vadim Goncharov wrote: 
Could you provide technical overview, both from API and packet format side, at
least briefly?

packet format is just regular ipsec, there are no protocol changes required!

API... we're currently thinking the sockaddr_ipsec struct would take a key (appropriate for the task, e.g. public key for connect, private key for bind). we're however not so certain about the private key part, but at least for connecting, it makes sense to just take the public key of the target. ideally we would also be able to request just authentication, just encryption, or both, tho we're not entirely sure how the API should look (authentication-only is the most useful to us, as we're just trying to prevent port scanning and most modern protocols (TLS, SSH, minecraft server protocol, etc) provide their own encryption anyway).

it's not unusual to have an asymmetry between connect and bind, as an example, port 0 is reserved for connect but lets the OS pick a port for bind.
--------------TnUqIKRLHzXkVD5mICATBJ6o-- From nobody Fri Jan 17 08:07:31 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZC5L5zJ4z5kdh8 for ; Fri, 17 Jan 2025 08:07:34 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZC5L5Hd7z44lH for ; Fri, 17 Jan 2025 08:07:34 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1737101254; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; 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charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D252165 --- Comment #55 from ml@netfence.it --- (In reply to ml from comment #54) Alas, after more extensive testing, I still experience the troubles I had before (with the previous patch I had posted): _ under moderate load, occasionally the network hangs; _ ping shows "no buffer space available"; _ I have to unplug, replug, rerun dhcpclient. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Jan 17 09:04:22 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZDLw5jZNz5kj37 for ; 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mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4YZDLw4F0qz1BBt for ; Fri, 17 Jan 2025 09:04:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50H94OXe060050 for ; Fri, 17 Jan 2025 09:04:24 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50H94OfK060049 for net@FreeBSD.org; Fri, 17 Jan 2025 09:04:24 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284073] bnxt: kernel panic on 14.2-RELEASE Date: Fri, 17 Jan 2025 09:04:22 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-RELEASE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: zlei@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284073 Zhenlei Huang changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |zlei@FreeBSD.org --- Comment #2 from Zhenlei Huang --- addr2line shows that the line of source code is https://cgit.freebsd.org/src/tree/sys/dev/bnxt/bnxt_en/bnxt_sysctl.c?h=3Dre= leng/14.2#n1959 , but no clue how that line can panic. Maybe the kernel actually panic within `sysctl_handle_string()` ? Hi Daniel, Can you please build the kernel with INVARIANTS enabled, or dire= ctly with the kernel conf `GENERIC-DEBUG` and test with the new kernel / driver ? ``` % readelf -s if_bnxt.ko.debug | grep bnxt_dcb_list_app 163: 000000000001a5c0 368 FUNC LOCAL DEFAULT 1 bnxt_dcb_list_app % echo "obase=3D16; ibase=3D16; 1A5C0 + 144" | bc 1A704 % addr2line -fip -e if_bnxt.ko.debug -j .text 0x1A704 bnxt_dcb_list_app at /usr/src/sys/dev/bnxt/bnxt_en/bnxt_sysctl.c:1959 ``` --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Jan 17 14:23:51 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZMRY0rstz5l2k1 for ; Fri, 17 Jan 2025 14:23:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZMRX73v3z3rbY for ; 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Fri, 17 Jan 2025 14:23:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50HENqEJ045765 for ; Fri, 17 Jan 2025 14:23:52 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50HENqHZ045764 for net@FreeBSD.org; Fri, 17 Jan 2025 14:23:52 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 283099] SR-IOV does not work on Intel E810 model (E810CQDA2OCPV3) Date: Fri, 17 Jan 2025 14:23:51 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 14.2-STABLE X-Bugzilla-Keywords: IntelNetworking X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: krzysztof.galazka@intel.com X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; 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charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D283848 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Open CC| |markj@FreeBSD.org --=20 You are receiving this mail because: You are on the CC list for the bug.= From nobody Fri Jan 17 16:55:50 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZQpv19m2z5lBty for ; Fri, 17 Jan 2025 16:55:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZQpv0Zqhz3Lbd for ; 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Fri, 17 Jan 2025 16:55:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50HGtosV014523 for ; Fri, 17 Jan 2025 16:55:50 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50HGtoAM014522 for net@FreeBSD.org; Fri, 17 Jan 2025 16:55:50 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284073] bnxt: kernel panic on 14.2-RELEASE Date: Fri, 17 Jan 2025 16:55:50 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-RELEASE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284073 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Open CC| |markj@FreeBSD.org --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Jan 17 16:57:19 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZQrb1NS6z5lBx6 for ; Fri, 17 Jan 2025 16:57:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZQrb0wZGz3MRG for ; 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Fri, 17 Jan 2025 16:57:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50HGvIRB015973 for ; Fri, 17 Jan 2025 16:57:18 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50HGvIcX015972 for net@FreeBSD.org; Fri, 17 Jan 2025 16:57:18 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Fri, 17 Jan 2025 16:57:19 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc bug_status Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |markj@FreeBSD.org Status|New |Open --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Jan 17 16:58:23 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZQsr35Csz5lC0p for ; Fri, 17 Jan 2025 16:58:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZQsr2YQ4z3MlH for ; 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Fri, 17 Jan 2025 16:58:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50HGwOMr016778 for ; Fri, 17 Jan 2025 16:58:24 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50HGwOeT016777 for net@FreeBSD.org; Fri, 17 Jan 2025 16:58:24 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 283938] panic due to race between ether_output() and ng_ether_detach() Date: Fri, 17 Jan 2025 16:58:23 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: markj@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cc assigned_to Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D283938 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Open CC| |markj@FreeBSD.org Assignee|net@FreeBSD.org |markj@FreeBSD.org --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Jan 17 16:59:46 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZQvQ3GN7z5lCHV for ; Fri, 17 Jan 2025 16:59:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZQvQ2n6Xz3NZV for ; 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Fri, 17 Jan 2025 16:59:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50HGxkP4017957 for ; Fri, 17 Jan 2025 16:59:46 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50HGxkur017956 for net@FreeBSD.org; Fri, 17 Jan 2025 16:59:46 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Fri, 17 Jan 2025 16:59:46 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 --- Comment #9 from Andriy Gapon --- (In reply to Andriy Gapon from comment #8) In theory, the patch looked good to me. But in practice, since applying it, I've got a couple of instance of comple= te network outage. Maybe the shared state needs to be updated on every iteration. Maybe with atomics. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Jan 17 17:01:37 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZQxY2xSwz5lCFG for ; Fri, 17 Jan 2025 17:01:37 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZQxY2HY8z3P0c for ; Fri, 17 Jan 2025 17:01:37 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1737133297; 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Fri, 17 Jan 2025 17:01:37 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50HH1bG3029702 for ; Fri, 17 Jan 2025 17:01:37 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50HH1bBm029701 for net@FreeBSD.org; Fri, 17 Jan 2025 17:01:37 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 283860] nlattr_get_multipath() loop executes too many times if rtnh_len is zero Date: Fri, 17 Jan 2025 17:01:37 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D283860 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Open CC| |markj@FreeBSD.org --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Jan 17 17:03:54 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZR0B30Ndz5lClv for ; Fri, 17 Jan 2025 17:03:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZR0B2MTXz3Pmb for ; 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Fri, 17 Jan 2025 17:03:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50HH3sdX033253 for ; Fri, 17 Jan 2025 17:03:54 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50HH3sqL033252 for net@FreeBSD.org; Fri, 17 Jan 2025 17:03:54 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 283818] too-large rtmsg.rtm_family for RTM_GETADDR can cause wild pointer ref Date: Fri, 17 Jan 2025 17:03:54 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D283818 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Open --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Fri Jan 17 18:41:00 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZT8D3Vz4z5lJVs for ; Fri, 17 Jan 2025 18:41:00 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZT8D2xHtz3l4m for ; 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Fri, 17 Jan 2025 18:41:00 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50HIf0p4097887 for ; Fri, 17 Jan 2025 18:41:00 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50HIf0BL097886 for net@FreeBSD.org; Fri, 17 Jan 2025 18:41:00 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 279850] wireguard: wg(8) fails on INET6-only kernel Date: Fri, 17 Jan 2025 18:41:00 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: kevans@freebsd.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D279850 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |markj@FreeBSD.org --- Comment #9 from Mark Johnston --- Just a gentle nudge to anyone on the CC list who might want to work on this= : I believe D46670 fixes the problem, but a comment there suggests a better approach. We could commit the existing patch in the interim. --=20 You are receiving this mail because: You are on the CC list for the bug.= From nobody Sat Jan 18 14:35:02 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZzdz0d4mz5lPyB for ; Sat, 18 Jan 2025 14:35:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZzdy6vmDz3Zpg for ; Sat, 18 Jan 2025 14:35:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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Sat, 18 Jan 2025 14:35:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50IEZ2BF010982 for ; Sat, 18 Jan 2025 14:35:02 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50IEZ2Wf010981 for net@FreeBSD.org; Sat, 18 Jan 2025 14:35:02 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 264809] net/intel-ixl-kmod: Driver is broken with netmap and FreeBSD-13.1 Date: Sat, 18 Jan 2025 14:35:02 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: IntelNetworking X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: linimon@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc assigned_to flagtypes.name Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264809 Mark Linimon changed: What |Removed |Added ---------------------------------------------------------------------------- CC|freebsd@intel.com |bugmeister@FreeBSD.org Assignee|freebsd@intel.com |net@FreeBSD.org Flags|maintainer-feedback?(freebs | |d@intel.com) | --- Comment #7 from Mark Linimon --- ^Triage: reassign from inactive address. To submitter: is this aging PR still relevant? --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sat Jan 18 14:35:38 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZzff2ZRfz5lQDZ for ; Sat, 18 Jan 2025 14:35:38 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZzff296Nz3bS6 for ; Sat, 18 Jan 2025 14:35:38 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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Sat, 18 Jan 2025 14:35:38 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50IEZcti011447 for ; Sat, 18 Jan 2025 14:35:38 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50IEZcNm011446 for net@FreeBSD.org; Sat, 18 Jan 2025 14:35:38 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 265300] kernel crash in ixgbe driver during fbsd-update from 13.0p11 to 13.1 (version 3.3.24 of the port) Date: Sat, 18 Jan 2025 14:35:38 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: linimon@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D265300 Mark Linimon changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|freebsd@intel.com |net@FreeBSD.org --- Comment #2 from Mark Linimon --- ^Triage: reassign from inactive address. To submitter: is this aging PR still relevant? --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sat Jan 18 14:36:13 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZzgL1CvJz5lPyN for ; Sat, 18 Jan 2025 14:36:14 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZzgL0Lw6z3bp5 for ; Sat, 18 Jan 2025 14:36:14 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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Sat, 18 Jan 2025 14:36:13 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50IEaDEq012038 for ; Sat, 18 Jan 2025 14:36:13 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50IEaD5i012037 for net@FreeBSD.org; Sat, 18 Jan 2025 14:36:13 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 268176] net/intel-ix-kmod : connection hangs when starting SR-IOV interfaces Date: Sat, 18 Jan 2025 14:36:13 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: IntelNetworking, needs-qa X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: linimon@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to flagtypes.name Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D268176 Mark Linimon changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|freebsd@intel.com |net@FreeBSD.org Flags|maintainer-feedback?(freebs | |d@intel.com) | --- Comment #7 from Mark Linimon --- ^Triage: reassign from inactive address. To submitter: is this PR still valid? --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sat Jan 18 14:48:40 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YZzxj1Zpnz5lQWg for ; Sat, 18 Jan 2025 14:48:41 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YZzxj0z3qz3d07 for ; Sat, 18 Jan 2025 14:48:41 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; 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Sat, 18 Jan 2025 14:48:40 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50IEme5R032905 for ; Sat, 18 Jan 2025 14:48:40 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50IEmeJW032903 for net@FreeBSD.org; Sat, 18 Jan 2025 14:48:40 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 268176] net/intel-ix-kmod : connection hangs when starting SR-IOV interfaces Date: Sat, 18 Jan 2025 14:48:40 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: IntelNetworking, needs-qa X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: bruno@ruomad.net X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D268176 --- Comment #8 from Bruno Damour --- Yes AFAIK I keep tracking the intel driver (currently 3.3.38 on freebsd 14.2) but no = luck so far. I don't know if it's only failing with my low-end device X520-DA1... I'm considering replacing it with a better version --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sat Jan 18 15:35:04 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Yb0zD5cxRz5kTnB for ; Sat, 18 Jan 2025 15:35:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Yb0zD57s0z3h9n for ; Sat, 18 Jan 2025 15:35:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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Sat, 18 Jan 2025 15:35:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50IFZ4N8023091 for ; Sat, 18 Jan 2025 15:35:04 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50IFZ4vn023090 for net@FreeBSD.org; Sat, 18 Jan 2025 15:35:04 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284057] vmxnet3/iflib: crash in vmxnet3_isc_txd_credits_update Date: Sat, 18 Jan 2025 15:35:04 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284057 --- Comment #10 from Mark Johnston --- (In reply to Andriy Gapon from comment #9) I'm not familiar with the driver, but looking at vmxnet3_isc_txd_credits_update(), I think your patch needs to: - atomically increment vcxr_next, so that multiple threads don't process the same descriptor, - somehow, atomically update txr->vxtxr_next. I suspect your best bet is to just use a spinlock to serialize the loop. (= It looks like this routine can be called from hard interrupt context, so regul= ar mutexes cannot be used.) It might be possible to implement this correctly = with atomics, but I doubt it's worthwhile. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sat Jan 18 16:31:55 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Yb2Ds1C9Yz5kYpr for ; Sat, 18 Jan 2025 16:31:57 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Yb2Ds051fz3lf6 for ; Sat, 18 Jan 2025 16:31:57 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Sat, 18 Jan 2025 16:31:56 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 50IGVuNQ034234 for ; Sat, 18 Jan 2025 16:31:56 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50IGVuAv034233 for net@FreeBSD.org; Sat, 18 Jan 2025 16:31:56 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284073] bnxt: kernel panic on 14.2-RELEASE Date: Sat, 18 Jan 2025 16:31:55 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-RELEASE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284073 --- Comment #3 from Mark Johnston --- (In reply to Zhenlei Huang from comment #2) I don't have debug symbols handy to check myself, but maybe the %rip value 0xffffffff80b4dee7 gives a further hint? --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sat Jan 18 22:16:29 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Yb9tW0LnVz5kx3X for ; Sat, 18 Jan 2025 22:16:35 +0000 (UTC) (envelope-from tpearson@raptorengineering.com) Received: from raptorengineering.com (mail.raptorengineering.com [23.155.224.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Yb9tV029tz3Nqx for ; 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MIME_TRACE(0.00)[0:+] X-Spamd-Bar: --- X-Rspamd-Queue-Id: 4Yb9tV029tz3Nqx Hi all, I've been pulling my hair out over a rather interesting problem that I've traced into an interaction between IPSec and the rest of the network stack. I'm not sure if this is a bug or if there's a tunable I'm missing somewhere, so here goes... We have a pf-based multi-CPU firewall running FreeBSD 13.x with multiple subnets directly attached, one per NIC, as well as multiple IPSec tunnels to remote sites alongside a UDP multicast proxy system (this becomes important later). For the most part the setup works very well, however we have discovered through extensive trial and error / debugging that we can induce major packet loss on the firewall host itself by simply flooding the system with small IPSec packets (high PPS, low bandwidth). The aforementioned (custom) multicast UDP proxy is an excellent canary for the problem, as it checks for and reports any dropped packets in the receive data stream. Normally, there are no dropped packets even with saturated links on any of the local interfaces or when *sending* high packet rates over IPsec. As soon as high packet rates are *received* over IPsec, the following happens: 1.) netisr on one core only goes to 100% interrupt load 2.) net.inet.ip.intr_queue_drops starts incrementing rapidly 3.) The multicast receiver, which only receives traffic from one of the *local* interfaces (not any of the IPsec tunnels), begins to see packet loss despite more than adequate buffers in place with no buffer overflows in the UDP stack / application buffering. The packets are simply never received by the kernel UDP stack. 4.) Other applications (e.g. NTP) start to see sporadic packet loss as well, again on local traffic not over IPsec. As soon as the IPSec receive traffic is lowered enough to get the netisr interrupt load below 100% on the one CPU core, everything recovers and functions normally. Note this has to be done by lowering the IPSec transmit rate on the remote system, there is no way I have discovered to "protect" the receiver from this kind of overload. While I would expect packet loss in an overloaded IPSec link scenario like this just due to the decryption not keeping up, I would also expect that loss to be confined to the IPSec tunnel. It should not spider out into the rest of the system and start affecting all of the other applications and routing/firewalling on the box -- this is what was miserable to debug, as the IPSec link was originally only hitting the PPS limits described above sporadically during overnight batch processing. Now that I know what's going on, I can provoke easily with iperf3 in UDP mode. On the boxes we are using, the limit seems to be around 50kPPS before we hit 100% netisr CPU load -- this limit is *much* lower with async crypto turned off. Important tunables already set: net.inet.ipsec.async_crypto=1 (turning this off just makes the symptoms appear at lower PPS rates) net.isr.dispatch=direct (deferred or hybrid does nothing to change the symptoms) net.inet.ip.intr_queue_maxlen=4096 Thoughts are welcome...if there's any way to stop the "spread" of the loss I'm all ears. It seems that somehow the IPSec traffic (perhaps by nature of its lengthy decryption process) is able to grab an unfair share of netisr queue 0, and that interferes with the other traffic. If there was a way to move the IPSec decryption to another netisr queue, that might fix the problem, but I don't see any tunables to do so. Thanks! From nobody Sun Jan 19 01:24:57 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YbG441JPLz5l8dQ for ; Sun, 19 Jan 2025 01:25:08 +0000 (UTC) (envelope-from tpearson@raptorengineering.com) Received: from raptorengineering.com (mail.raptorengineering.com [23.155.224.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4YbG3y4F3qz3jLn for ; Sun, 19 Jan 2025 01:25:02 +0000 (UTC) (envelope-from tpearson@raptorengineering.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=raptorengineering.com header.s=B8E824E6-0BE2-11E6-931D-288C65937AAD header.b=YKwP1hnO; spf=pass (mx1.freebsd.org: domain of tpearson@raptorengineering.com designates 23.155.224.40 as permitted sender) smtp.mailfrom=tpearson@raptorengineering.com; dmarc=pass (policy=quarantine) header.from=raptorengineering.com Received: from localhost (localhost [127.0.0.1]) by mail.rptsys.com (Postfix) with ESMTP id C11008286C28 for ; Sat, 18 Jan 2025 19:25:01 -0600 (CST) Received: from mail.rptsys.com ([127.0.0.1]) by localhost (vali.starlink.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id iWimkCtkAxlR for ; Sat, 18 Jan 2025 19:25:00 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by mail.rptsys.com (Postfix) with ESMTP id 725058286DE2 for ; Sat, 18 Jan 2025 19:25:00 -0600 (CST) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.rptsys.com 725058286DE2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raptorengineering.com; s=B8E824E6-0BE2-11E6-931D-288C65937AAD; t=1737249900; bh=Dghs0ScQHhofSCORp6CwyLGp+z3YqpWlbg7h/BLDp0k=; h=Date:From:To:Message-ID:MIME-Version; b=YKwP1hnOPwHtTPAAu2DB2tmBmNeynuaQXMBkRdFhhD6eSbobQKNBptJYsZEtbd9Vm MEhuwhwpvbMXdM5ACYjiix2x1bgPmu4zJOhMjSP0oUBjslINWDq8QSnsdQmFwIaF+Q B7UCMUvbyXeSv7Iwy9Bq2EkdIBdh6KzqWctRqAiQ= X-Virus-Scanned: amavisd-new at rptsys.com Received: from mail.rptsys.com ([127.0.0.1]) by localhost (vali.starlink.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id UQwC-TyMEVpb for ; Sat, 18 Jan 2025 19:25:00 -0600 (CST) Received: from vali.starlink.edu (localhost [127.0.0.1]) by mail.rptsys.com (Postfix) with ESMTP id 3FF688286C28 for ; Sat, 18 Jan 2025 19:25:00 -0600 (CST) Date: Sat, 18 Jan 2025 19:24:57 -0600 (CST) From: Timothy Pearson To: freebsd-net Message-ID: <1820780643.6432954.1737249897808.JavaMail.zimbra@raptorengineeringinc.com> In-Reply-To: <2079636793.6405429.1737238589082.JavaMail.zimbra@raptorengineeringinc.com> References: <2079636793.6405429.1737238589082.JavaMail.zimbra@raptorengineeringinc.com> Subject: Re: FreeBSD 13: IPSec netisr overload causes unrelated packet loss List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Mailer: Zimbra 8.5.0_GA_3042 (ZimbraWebClient - GC131 (Linux)/8.5.0_GA_3042) Thread-Topic: FreeBSD 13: IPSec netisr overload causes unrelated packet loss Thread-Index: tz6wbGB+79GMn53je0Ba0VCT6l8gp7bFeFT2 X-Spamd-Result: default: False [-3.98 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.98)[-0.976]; DMARC_POLICY_ALLOW(-0.50)[raptorengineering.com,quarantine]; R_DKIM_ALLOW(-0.20)[raptorengineering.com:s=B8E824E6-0BE2-11E6-931D-288C65937AAD]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; ASN(0.00)[asn:46246, ipnet:23.155.224.0/24, country:US]; RECEIVED_HELO_LOCALHOST(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@FreeBSD.org]; TO_DN_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; RCVD_COUNT_FIVE(0.00)[5]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[raptorengineering.com:+] X-Spamd-Bar: --- X-Rspamd-Queue-Id: 4YbG3y4F3qz3jLn Quick update --tried the IPSec deferred update patch [1], no change. A few tunables I forgot to include as well: net.route.netisr_maxqlen: 256 net.isr.numthreads: 32 net.isr.maxprot: 16 net.isr.defaultqlimit: 256 net.isr.maxqlimit: 10240 net.isr.bindthreads: 1 net.isr.maxthreads: 32 net.isr.dispatch: direct [1] https://www.mail-archive.com/freebsd-net@freebsd.org/msg64742.html ----- Original Message ----- > From: "Timothy Pearson" > To: "freebsd-net" > Sent: Saturday, January 18, 2025 4:16:29 PM > Subject: FreeBSD 13: IPSec netisr overload causes unrelated packet loss > Hi all, > > I've been pulling my hair out over a rather interesting problem that I've traced > into an interaction between IPSec and the rest of the network stack. I'm not > sure if this is a bug or if there's a tunable I'm missing somewhere, so here > goes... > > We have a pf-based multi-CPU firewall running FreeBSD 13.x with multiple subnets > directly attached, one per NIC, as well as multiple IPSec tunnels to remote > sites alongside a UDP multicast proxy system (this becomes important later). > For the most part the setup works very well, however we have discovered > through extensive trial and error / debugging that we can induce major packet > loss on the firewall host itself by simply flooding the system with small IPSec > packets (high PPS, low bandwidth). > > The aforementioned (custom) multicast UDP proxy is an excellent canary for the > problem, as it checks for and reports any dropped packets in the receive data > stream. Normally, there are no dropped packets even with saturated links on > any of the local interfaces or when *sending* high packet rates over IPsec. As > soon as high packet rates are *received* over IPsec, the following happens: > > 1.) netisr on one core only goes to 100% interrupt load > 2.) net.inet.ip.intr_queue_drops starts incrementing rapidly > 3.) The multicast receiver, which only receives traffic from one of the *local* > interfaces (not any of the IPsec tunnels), begins to see packet loss despite > more than adequate buffers in place with no buffer overflows in the UDP stack / > application buffering. The packets are simply never received by the kernel UDP > stack. > 4.) Other applications (e.g. NTP) start to see sporadic packet loss as well, > again on local traffic not over IPsec. > > As soon as the IPSec receive traffic is lowered enough to get the netisr > interrupt load below 100% on the one CPU core, everything recovers and > functions normally. Note this has to be done by lowering the IPSec transmit > rate on the remote system, there is no way I have discovered to "protect" the > receiver from this kind of overload. > > While I would expect packet loss in an overloaded IPSec link scenario like this > just due to the decryption not keeping up, I would also expect that loss to be > confined to the IPSec tunnel. It should not spider out into the rest of the > system and start affecting all of the other applications and > routing/firewalling on the box -- this is what was miserable to debug, as the > IPSec link was originally only hitting the PPS limits described above > sporadically during overnight batch processing. Now that I know what's going > on, I can provoke easily with iperf3 in UDP mode. On the boxes we are using, > the limit seems to be around 50kPPS before we hit 100% netisr CPU load -- this > limit is *much* lower with async crypto turned off. > > Important tunables already set: > > net.inet.ipsec.async_crypto=1 (turning this off just makes the symptoms appear > at lower PPS rates) > net.isr.dispatch=direct (deferred or hybrid does nothing to change the symptoms) > net.inet.ip.intr_queue_maxlen=4096 > > Thoughts are welcome...if there's any way to stop the "spread" of the loss I'm > all ears. It seems that somehow the IPSec traffic (perhaps by nature of its > lengthy decryption process) is able to grab an unfair share of netisr queue 0, > and that interferes with the other traffic. If there was a way to move the > IPSec decryption to another netisr queue, that might fix the problem, but I > don't see any tunables to do so. > > Thanks! From nobody Sun Jan 19 01:46:47 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YbGY95zYDz5lBcx for ; Sun, 19 Jan 2025 01:46:53 +0000 (UTC) (envelope-from tpearson@raptorengineering.com) Received: from raptorengineering.com (mail.raptorengineering.com [23.155.224.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4YbGY92c7sz3ltT for ; Sun, 19 Jan 2025 01:46:53 +0000 (UTC) (envelope-from tpearson@raptorengineering.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=raptorengineering.com header.s=B8E824E6-0BE2-11E6-931D-288C65937AAD header.b=NdOlXEtW; spf=pass (mx1.freebsd.org: domain of tpearson@raptorengineering.com designates 23.155.224.40 as permitted sender) smtp.mailfrom=tpearson@raptorengineering.com; dmarc=pass (policy=quarantine) header.from=raptorengineering.com Received: from localhost (localhost [127.0.0.1]) by mail.rptsys.com (Postfix) with ESMTP id 2806A82850F9 for ; Sat, 18 Jan 2025 19:46:52 -0600 (CST) Received: from mail.rptsys.com ([127.0.0.1]) by localhost (vali.starlink.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id X_IuvHvVUOiE for ; Sat, 18 Jan 2025 19:46:50 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by mail.rptsys.com (Postfix) with ESMTP id 9A67F828566C for ; Sat, 18 Jan 2025 19:46:50 -0600 (CST) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.rptsys.com 9A67F828566C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raptorengineering.com; s=B8E824E6-0BE2-11E6-931D-288C65937AAD; t=1737251210; bh=JICygY3B0tIKQgVtm022t0NhJmjj76en3GLE48C65X8=; h=Date:From:To:Message-ID:MIME-Version; b=NdOlXEtWfnkEvyo/4UqJTHIPGgksg2HqiwbizVxUHdBUi3UwgttaOXengso2citfk nrDq1qQiKkRSX4a+c7hHuBbMvlM77+LHb95XVp7aRJKHdSgSZRkc+FvM+6ex0aWbRn 4FwXPwv34A/UqrvHzTqq/Y9rZQpJmDz5EBD5u0Nk= X-Virus-Scanned: amavisd-new at rptsys.com Received: from mail.rptsys.com ([127.0.0.1]) by localhost (vali.starlink.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id xynUlTd7ImJD for ; Sat, 18 Jan 2025 19:46:50 -0600 (CST) Received: from vali.starlink.edu (localhost [127.0.0.1]) by mail.rptsys.com (Postfix) with ESMTP id 6209C82850F9 for ; Sat, 18 Jan 2025 19:46:50 -0600 (CST) Date: Sat, 18 Jan 2025 19:46:47 -0600 (CST) From: Timothy Pearson To: freebsd-net Message-ID: <715443646.6436953.1737251207686.JavaMail.zimbra@raptorengineeringinc.com> In-Reply-To: <1820780643.6432954.1737249897808.JavaMail.zimbra@raptorengineeringinc.com> References: <2079636793.6405429.1737238589082.JavaMail.zimbra@raptorengineeringinc.com> <1820780643.6432954.1737249897808.JavaMail.zimbra@raptorengineeringinc.com> Subject: Re: FreeBSD 13: IPSec netisr overload causes unrelated packet loss List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Mailer: Zimbra 8.5.0_GA_3042 (ZimbraWebClient - GC131 (Linux)/8.5.0_GA_3042) Thread-Topic: FreeBSD 13: IPSec netisr overload causes unrelated packet loss Thread-Index: tz6wbGB+79GMn53je0Ba0VCT6l8gp7bFeFT2egVOX8k= X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.998]; DMARC_POLICY_ALLOW(-0.50)[raptorengineering.com,quarantine]; R_DKIM_ALLOW(-0.20)[raptorengineering.com:s=B8E824E6-0BE2-11E6-931D-288C65937AAD]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_ONE(0.00)[1]; ASN(0.00)[asn:46246, ipnet:23.155.224.0/24, country:US]; RECEIVED_HELO_LOCALHOST(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@FreeBSD.org]; TO_DN_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[raptorengineering.com:+] X-Spamd-Bar: --- X-Rspamd-Queue-Id: 4YbGY92c7sz3ltT Forcibly disabling RSS with the IPSec deferred patch seems to have fixed the issue. Given the wide ranging deleterious effects with RSS on vs. a bit of IPsec theoretical maximum bandwidth loss with it off, we'll take the bandwidth hit at the moment. ;) Are there any significant concerns with running the patch for deferred IPSec input? From my analysis of the code, I think the absolute worst case might be a reordered packet or two, but that's always possible with IPSec over UDP transport AFAIK. ----- Original Message ----- > From: "Timothy Pearson" > To: "freebsd-net" > Sent: Saturday, January 18, 2025 7:24:57 PM > Subject: Re: FreeBSD 13: IPSec netisr overload causes unrelated packet loss > Quick update --tried the IPSec deferred update patch [1], no change. > > A few tunables I forgot to include as well: > net.route.netisr_maxqlen: 256 > net.isr.numthreads: 32 > net.isr.maxprot: 16 > net.isr.defaultqlimit: 256 > net.isr.maxqlimit: 10240 > net.isr.bindthreads: 1 > net.isr.maxthreads: 32 > net.isr.dispatch: direct > > [1] https://www.mail-archive.com/freebsd-net@freebsd.org/msg64742.html > > ----- Original Message ----- >> From: "Timothy Pearson" >> To: "freebsd-net" >> Sent: Saturday, January 18, 2025 4:16:29 PM >> Subject: FreeBSD 13: IPSec netisr overload causes unrelated packet loss > >> Hi all, >> >> I've been pulling my hair out over a rather interesting problem that I've traced >> into an interaction between IPSec and the rest of the network stack. I'm not >> sure if this is a bug or if there's a tunable I'm missing somewhere, so here >> goes... >> >> We have a pf-based multi-CPU firewall running FreeBSD 13.x with multiple subnets >> directly attached, one per NIC, as well as multiple IPSec tunnels to remote >> sites alongside a UDP multicast proxy system (this becomes important later). >> For the most part the setup works very well, however we have discovered >> through extensive trial and error / debugging that we can induce major packet >> loss on the firewall host itself by simply flooding the system with small IPSec >> packets (high PPS, low bandwidth). >> >> The aforementioned (custom) multicast UDP proxy is an excellent canary for the >> problem, as it checks for and reports any dropped packets in the receive data >> stream. Normally, there are no dropped packets even with saturated links on >> any of the local interfaces or when *sending* high packet rates over IPsec. As >> soon as high packet rates are *received* over IPsec, the following happens: >> >> 1.) netisr on one core only goes to 100% interrupt load >> 2.) net.inet.ip.intr_queue_drops starts incrementing rapidly >> 3.) The multicast receiver, which only receives traffic from one of the *local* >> interfaces (not any of the IPsec tunnels), begins to see packet loss despite >> more than adequate buffers in place with no buffer overflows in the UDP stack / >> application buffering. The packets are simply never received by the kernel UDP >> stack. >> 4.) Other applications (e.g. NTP) start to see sporadic packet loss as well, >> again on local traffic not over IPsec. >> >> As soon as the IPSec receive traffic is lowered enough to get the netisr >> interrupt load below 100% on the one CPU core, everything recovers and >> functions normally. Note this has to be done by lowering the IPSec transmit >> rate on the remote system, there is no way I have discovered to "protect" the >> receiver from this kind of overload. >> >> While I would expect packet loss in an overloaded IPSec link scenario like this >> just due to the decryption not keeping up, I would also expect that loss to be >> confined to the IPSec tunnel. It should not spider out into the rest of the >> system and start affecting all of the other applications and >> routing/firewalling on the box -- this is what was miserable to debug, as the >> IPSec link was originally only hitting the PPS limits described above >> sporadically during overnight batch processing. Now that I know what's going >> on, I can provoke easily with iperf3 in UDP mode. On the boxes we are using, >> the limit seems to be around 50kPPS before we hit 100% netisr CPU load -- this >> limit is *much* lower with async crypto turned off. >> >> Important tunables already set: >> >> net.inet.ipsec.async_crypto=1 (turning this off just makes the symptoms appear >> at lower PPS rates) >> net.isr.dispatch=direct (deferred or hybrid does nothing to change the symptoms) >> net.inet.ip.intr_queue_maxlen=4096 >> >> Thoughts are welcome...if there's any way to stop the "spread" of the loss I'm >> all ears. It seems that somehow the IPSec traffic (perhaps by nature of its >> lengthy decryption process) is able to grab an unfair share of netisr queue 0, >> and that interferes with the other traffic. If there was a way to move the >> IPSec decryption to another netisr queue, that might fix the problem, but I >> don't see any tunables to do so. >> > > Thanks! From nobody Sun Jan 19 02:35:15 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YbHd03SgSz5lDm5 for ; Sun, 19 Jan 2025 02:35:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YbHd01s0Tz3qx0 for ; Sun, 19 Jan 2025 02:35:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1737254116; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; 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charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284140 Mark Linimon changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|bugs@FreeBSD.org |net@FreeBSD.org --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Sun Jan 19 21:00:41 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Ybm8V3WMhz5lhf3 for ; Sun, 19 Jan 2025 21:00:42 +0000 (UTC) (envelope-from bugzilla-noreply@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Ybm8V1T7lz46hQ for ; 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boundary="17373204411.72a0da9D8.65196" Content-Transfer-Encoding: 7bit --17373204411.72a0da9D8.65196 Date: Sun, 19 Jan 2025 21:00:41 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" To view an individual PR, use: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=(Bug Id). The following is a listing of current problems submitted by FreeBSD users, which need special attention. These represent problem reports covering all versions including experimental development code and obsolete releases. Status | Bug Id | Description ------------+-----------+--------------------------------------------------- New | 254445 | cloned_interfaces="bridge0" does not respect net. In Progress | 118111 | rc: network.subr Add MAC address based interface 2 problems total for which you should take action. --17373204411.72a0da9D8.65196 Date: Sun, 19 Jan 2025 21:00:41 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" 
The following is a listing of current problems submitted by FreeBSD users,
which need special attention. These represent problem reports covering
all versions including experimental development code and obsolete releases.

Status      |    Bug Id | Description
------------+-----------+---------------------------------------------------
New         |    254445 | cloned_interfaces="bridge0" does not respect net.
In Progress |    118111 | rc: network.subr Add MAC address based interface 

2 problems total for which you should take action.
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