From nobody Mon Oct 6 10:38:05 2025 X-Original-To: current@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 4cgG310D1tz6BG23 for ; Mon, 06 Oct 2025 10:38:53 +0000 (UTC) (envelope-from Alexander@Leidinger.net) Received: from mailgate.Leidinger.net (bastille.leidinger.net [89.238.82.207]) (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 ECDSA (prime256v1) client-digest SHA256) (Client CN "mailgate.leidinger.net", Issuer "E8" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cgG2z0tX7z3pbY for ; Mon, 06 Oct 2025 10:38:51 +0000 (UTC) (envelope-from Alexander@Leidinger.net) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=leidinger.net header.s=outgoing-alex header.b=HJdYeYNg; dmarc=pass (policy=quarantine) header.from=leidinger.net; spf=pass (mx1.freebsd.org: domain of Alexander@Leidinger.net designates 89.238.82.207 as permitted sender) smtp.mailfrom=Alexander@Leidinger.net Received: from [172.18.11.218] (tmo-084-153.customers.d1-online.com [80.187.84.153]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature ECDSA (prime256v1) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: alexander@leidinger.net) by outgoing.leidinger.net (Postfix) with ESMTPSA id 5387C809C for ; Mon, 06 Oct 2025 12:38:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=leidinger.net; s=outgoing-alex; t=1759747092; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type; bh=XVn3ZUTrtlaSL8WJctOsrW+HWZ05tnolZspTx5jj7SM=; b=HJdYeYNg5uIRFB04TjMWXNM0rUnmvsnURzBLIOiRR7kND9P6dl4umZCfabcsbUcdfEAO7u sK+AgJphQh01gY3q4qNyuE5PrHCLgXubjoTl0EfpcATy8MNL36NqxCPxlDeA34bB4bn7CN J86oAEGxae3Nl9acI+D7eqhukIaWzqMVF0xkvOGkUDkRDfteh/qCmkhUd/2BlRsLq34CVP cnAxbBbWGdJzLLxmtQXOPxXec4YJy8vzCkPd/MiHVOeXHL0Y5B4gZrvZ84DBNDcDikXy03 237iGucWa5GOsxQQQr8ikJMsLqJcvOWQv0dsJLzIhBUKG4+doWlOsUgllyeSRQ== From: Alexander Leidinger To: Date: Mon, 06 Oct 2025 12:38:05 +0200 Message-ID: <199b91992c8.2805.fa4b1493b064008fe79f0f905b8e5741@Leidinger.net> Subject: Panic in the syncache area List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="199b91995ac6f3f28053ea4c21" X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.94 / 15.00]; NEURAL_HAM_SHORT(-1.00)[-0.998]; NEURAL_HAM_MEDIUM(-0.94)[-0.939]; DMARC_POLICY_ALLOW(-0.50)[leidinger.net,quarantine]; NEURAL_HAM_LONG(-0.20)[-0.202]; R_DKIM_ALLOW(-0.20)[leidinger.net:s=outgoing-alex]; R_SPF_ALLOW(-0.20)[+mx]; ONCE_RECEIVED(0.20)[]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; ASN(0.00)[asn:34240, ipnet:89.238.64.0/18, country:DE]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_ONE(0.00)[1]; MISSING_XM_UA(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ARC_NA(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[Current@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[current@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[leidinger.net:+] X-Rspamd-Queue-Id: 4cgG2z0tX7z3pbY This is a multi-part message in MIME format. --199b91995ac6f3f28053ea4c21 Content-Type: text/plain; format=flowed; charset="UTF-8" Content-Transfer-Encoding: 8bit Hi, -current as of 2025-10-04-124314 CEST. The full backtrace is at https://wiki.leidinger.net/core.txt.1 . It reproduces after some minutes after boot. Short: #5 0xffffffff8089eac8 in trap_fatal (frame=0xfffffe0420436980, eva=) at /space/system/usr_src/sys/amd64/amd64/trap.c:969 type = handled = #6 No locals. #7 memcmp () at /space/system/usr_src/sys/amd64/amd64/support.S:174 No locals. #8 0xffffffff806ecd5e in syncache_lookup (inc=0xfffffe0420436b10, schp=) at /space/system/usr_src/sys/netinet/tcp_syncache.c:597 sch = 0xfffffe07a444f1d0 sc = 0xdeadc0dedeadc0de #9 syncache_chkrst (inc=inc@entry=0xfffffe0420436b10, th=th@entry=0xfffff804fbbed782, m=m@entry=0xfffff804fbbed700, port=port@entry=0) at /space/system/usr_src/sys/netinet/tcp_syncache.c:620 s = 0x0 sch = 0xfffffe07a444f1d0 sc = #10 0xffffffff806d3968 in tcp_input_with_port (mp=, offp=, proto=, port=port@entry=0) at /space/system/usr_src/sys/netinet/tcp_input.c:1175 inc = {inc_flags = 0 '\000', inc_len = 0 '\000', inc_fibnum = 0, inc_ie = {ie_fport = 41797, ie_lport = 47873, ie_dependfaddr = { id46_addr = {ia46_pad32 = {0, 0, 0}, ia46_addr4 = { s_addr = 781893582}}, id6_addr = {__u6_addr = { __u6_addr8 = '\000' , "ο\232.", __u6_addr16 = {0, 0, 0, 0, 0, 0, 49102, 11930}, __u6_addr32 = {0, 0, 0, 781893582}}}}, ie_dependladdr = { id46_addr = {ia46_pad32 = {0, 0, 0}, ia46_addr4 = { s_addr = 2013374656}}, id6_addr = {__u6_addr = { __u6_addr8 = '\000' , "\300\250\001x", __u6_addr16 = {0, 0, 0, 0, 0, 0, 43200, 30721}, __u6_addr32 = {0, 0, 0, 2013374656}}}}, ie6_zoneid = 0}} so = 0xfffff8051652cc00 to = {to_flags = 0, to_tsval = 4294966788, to_tsecr = 2152803556, to_sacks = 0xfffff80525f06200 "", to_signature = 0xfffff8010e37f000 "\300q\275e", to_tfo_cookie = 0x0, to_mss = 46448, to_wscale = 116 't', to_nsacks = 217 '\331', to_tfo_len = 4 '\004', to_spare = 541289232} m = 0xfffff804fbbed700 th = 0xfffff804fbbed782 ip = 0xfffff804fbbed76e inp = tp = 0xfffff8064a381540 optp = 0x0 optlen = 0 tlen = fwd_tag = 0x0 ip6 = 0x0 s = 0x0 closed_port = false off0 = iptos = 0 '\000' off = len = ipttl = thflags = drop_hdrlen = 40 lookupflag = 5 isipv6 = Bye, Alexander. -- Send from a mobile device, please forgive brevity and misspellings. --199b91995ac6f3f28053ea4c21 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Hi,


-current as of&n= bsp;2025-= 10-04-124314 CEST.


The full backtrace = is at https://wiki.leidin= ger.net/core.txt.1 . It reproduces after some minutes after boot.


Short:

#5  0xffffffff8= 089eac8 in trap_fatal (frame=3D0xfffffe0420436980,

    eva=3D<optimized out>) at /space/system/usr_src/s= ys/amd64/amd64/trap.c:969

    =     type =3D <optimized out>

=         handled =3D <optimized out>= ;

#6  <signal handler called>

No locals.

#7  memcmp () at /= space/system/usr_src/sys/amd64/amd64/support.S:174

No locals.

#8  0xffffffff806ecd5e in syncach= e_lookup (inc=3D0xfffffe0420436b10,

  &n= bsp; schp=3D<optimized out>)

  &nb= sp; at /space/system/usr_src/sys/netinet/tcp_syncache.c:597

        sch =3D 0xfffffe07a444= f1d0

        sc= =3D 0xdeadc0dedeadc0de

#9  syncache_chkrst (= inc=3Dinc@entry=3D0xfffffe0420436b10,

  =   th=3Dth@entry=3D0xfffff804fbbed782, m=3Dm@entry=3D0xfffff804fbbed700= ,

    port=3Dport@entry=3D0) at /sp= ace/system/usr_src/sys/netinet/tcp_syncache.c:620

=         s =3D 0x0

        sch =3D 0xfffffe07a444f1d0

        sc =3D &l= t;optimized out>

#10 0xffffffff806d3968 in tcp_= input_with_port (mp=3D<optimized out>,

 = ;   offp=3D<optimized out>, proto=3D<optimized out>, = port=3Dport@entry=3D0)

    at /spac= e/system/usr_src/sys/netinet/tcp_input.c:1175

&nbs= p;       inc =3D {inc_flags =3D 0 '\000', inc= _len =3D 0 '\000', inc_fibnum =3D 0,

  &= nbsp;       inc_ie =3D {ie_fport =3D 41797, ie_lport =3D&= nbsp;47873, ie_de= pendfaddr =3D {

     &nbs= p;        id46_addr =3D {ia46_pad32 =3D = {0, 0, 0}, ia46_addr4 =3D {

   &nbs= p;            &= nbsp; s_addr =3D 781893582}}, id6_addr =3D {__u6_addr =3D {

           = ;       __u6_addr8 =3D '\000' <repeats 12 = times>, "=CE=BF\232.",

    =             &nb= sp; __u6_addr16 =3D {0, 0, 0, 0, 0, 0, 49102, 11930},

 &= nbsp;           &nbs= p;    __u6_addr32 =3D {0, 0, 0, 781893582}}}}, ie_dependladd= r =3D {

       =        id46_addr =3D {ia46_pad32 =3D {0, 0, 0= }, ia46_addr4 =3D {

     =              s_= addr =3D 2013374656}}, id6_addr =3D {__u6_addr =3D {

            =       __u6_addr8 =3D '\000' <repeats 12 times&g= t;, "\300\250\001x",

     = ;             _= _u6_addr16 =3D {0, 0, 0, 0, 0, 0, 43200, 30721},

  &= nbsp;           &nbs= p;   __u6_addr32 =3D {0, 0, 0, 2013374656}}}}, ie6_zoneid =3D 0}}=

        so =3D= 0xfffff8051652cc00

     =    to =3D {to_flags =3D 0, to_tsval =3D 4294966788, to_tsecr =3D 2152803556,

        &nbs= p; to_sacks =3D 0xfffff80525f06200 "",

  = ;        to_signature =3D 0xfffff8010e37= f000 "\300q\275e", to_tfo_cookie =3D 0x0,

 &n= bsp;        to_mss =3D 46448, to_wscale =3D 116 't',= to_nsacks =3D 217 '\331',

    = ;      to_tfo_len =3D 4 '\004', to_spare =3D 54128= 9232}

        m= =3D 0xfffff804fbbed700

    &n= bsp;   th =3D 0xfffff804fbbed782

 &= nbsp;      ip =3D 0xfffff804fbbed76e

        inp =3D <optimi= zed out>

      &n= bsp; tp =3D 0xfffff8064a381540

   &= nbsp;    optp =3D 0x0

  &= nbsp;     optlen =3D 0

 &= nbsp;      tlen =3D <optimized out>

        fwd_tag =3D 0x0=

        ip6 = =3D 0x0

       = s =3D 0x0

      &nb= sp; closed_port =3D false

    =     off0 =3D <optimized out>

=         iptos =3D 0 '\000'

        off =3D <optimi= zed out>

      &n= bsp; len =3D <optimized out>

  &nb= sp;     ipttl =3D <optimized out>

        thflags =3D <optimi= zed out>

      &n= bsp; drop_hdrlen =3D 40

    &n= bsp;   lookupflag =3D 5

  &nbs= p;     isipv6 =3D <optimized out>


Bye,

Alexander.


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