From owner-freebsd-current@freebsd.org Fri Dec 14 12:33:25 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2A7111331C8F for ; Fri, 14 Dec 2018 12:33:25 +0000 (UTC) (envelope-from agapon@gmail.com) Received: from mail-lf1-f44.google.com (mail-lf1-f44.google.com [209.85.167.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3937B71CF0 for ; Fri, 14 Dec 2018 12:33:24 +0000 (UTC) (envelope-from agapon@gmail.com) Received: by mail-lf1-f44.google.com with SMTP id p6so4145851lfc.1 for ; Fri, 14 Dec 2018 04:33:24 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:openpgp:autocrypt:message-id :date:user-agent:mime-version:content-language :content-transfer-encoding; bh=WZ0hg/cDsUhytO1Tv/y/5O4WdEhY0VbDBFMi4xLTyJE=; b=AyXRgSOAKVHmfRpM0fAvDeKW1tfFNa/pD3MWik+L9p/ZWX3K8MoGnsWEzsYWOd9gMY h4LGnNAkqaBUVmpHsCw4/FRG4QzGYqWS3Ec6dgk6Vq/NQosyhrEXjR3AoMTWTFAknuy3 0D+sCwUvKxTW5ZKBfFQiVb4ZbRX+b/B8+XyH0pe7An+G0LrSrNBYJIBaRBTZ8U/2vz++ EdT2uCNo8YXx545xIoACRQm8rJhlPn13Xt9HyD48oevAH81xdC1QWmkqw17wJoxtOiGz 5nlQUBx76bLwWIPKurz1o6Ws94nrA9cgj+nOEgWL4tI6ffucrUev85vxfF2fYPIGTju0 2z3w== X-Gm-Message-State: AA+aEWYmTQTRC9XDt08J8ToljKwyEQYG5GlBEcJ0LBxjGSbBLWSKpXSH +yBwuyQfS9gF5xsUnJq7j51KgMNI X-Google-Smtp-Source: AFSGD/X2OIrezMvrraqwFHvhqgWsDRf84+xO24Ub9LCpZJrHgJrqxsFtX7/pqVvI70IjZFvK2haPhw== X-Received: by 2002:a19:7dc2:: with SMTP id y185mr1627536lfc.27.1544790306533; Fri, 14 Dec 2018 04:25:06 -0800 (PST) Received: from [192.168.0.88] (east.meadow.volia.net. [93.72.151.96]) by smtp.googlemail.com with ESMTPSA id o25sm851197lfd.29.2018.12.14.04.25.05 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 14 Dec 2018 04:25:05 -0800 (PST) To: FreeBSD Current From: Andriy Gapon Subject: vnet_alloc: panic: Memory modified after free 0xfffffe002efc8ed0(8) val=deadc0df Openpgp: preference=signencrypt Autocrypt: addr=avg@FreeBSD.org; prefer-encrypt=mutual; keydata= xsFNBFm4LIgBEADNB/3lT7f15UKeQ52xCFQx/GqHkSxEdVyLFZTmY3KyNPQGBtyvVyBfprJ7 mAeXZWfhat6cKNRAGZcL5EmewdQuUfQfBdYmKjbw3a9GFDsDNuhDA2QwFt8BmkiVMRYyvI7l N0eVzszWCUgdc3qqM6qqcgBaqsVmJluwpvwp4ZBXmch5BgDDDb1MPO8AZ2QZfIQmplkj8Y6Z AiNMknkmgaekIINSJX8IzRzKD5WwMsin70psE8dpL/iBsA2cpJGzWMObVTtCxeDKlBCNqM1i gTXta1ukdUT7JgLEFZk9ceYQQMJJtUwzWu1UHfZn0Fs29HTqawfWPSZVbulbrnu5q55R4PlQ /xURkWQUTyDpqUvb4JK371zhepXiXDwrrpnyyZABm3SFLkk2bHlheeKU6Yql4pcmSVym1AS4 dV8y0oHAfdlSCF6tpOPf2+K9nW1CFA8b/tw4oJBTtfZ1kxXOMdyZU5fiG7xb1qDgpQKgHUX8 7Rd2T1UVLVeuhYlXNw2F+a2ucY+cMoqz3LtpksUiBppJhw099gEXehcN2JbUZ2TueJdt1FdS ztnZmsHUXLxrRBtGwqnFL7GSd6snpGIKuuL305iaOGODbb9c7ne1JqBbkw1wh8ci6vvwGlzx rexzimRaBzJxlkjNfMx8WpCvYebGMydNoeEtkWldtjTNVsUAtQARAQABzR5BbmRyaXkgR2Fw b24gPGF2Z0BGcmVlQlNELm9yZz7CwZQEEwEIAD4WIQS+LEO7ngQnXA4Bjr538m7TUc1yjwUC WbgsiAIbIwUJBaOagAULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRB38m7TUc1yj+JAEACV l9AK/nOWAt/9cufV2fRj0hdOqB1aCshtSrwHk/exXsDa4/FkmegxXQGY+3GWX3deIyesbVRL rYdtdK0dqJyT1SBqXK1h3/at9rxr9GQA6KWOxTjUFURsU7ok/6SIlm8uLRPNKO+yq0GDjgaO LzN+xykuBA0FlhQAXJnpZLcVfPJdWv7sSHGedL5ln8P8rxR+XnmsA5TUaaPcbhTB+mG+iKFj GghASDSfGqLWFPBlX/fpXikBDZ1gvOr8nyMY9nXhgfXpq3B6QCRYKPy58ChrZ5weeJZ29b7/ QdEO8NFNWHjSD9meiLdWQaqo9Y7uUxN3wySc/YUZxtS0bhAd8zJdNPsJYG8sXgKjeBQMVGuT eCAJFEYJqbwWvIXMfVWop4+O4xB+z2YE3jAbG/9tB/GSnQdVSj3G8MS80iLS58frnt+RSEw/ psahrfh0dh6SFHttE049xYiC+cM8J27Aaf0i9RflyITq57NuJm+AHJoU9SQUkIF0nc6lfA+o JRiyRlHZHKoRQkIg4aiKaZSWjQYRl5Txl0IZUP1dSWMX4s3XTMurC/pnja45dge/4ESOtJ9R 8XuIWg45Oq6MeIWdjKddGhRj3OohsltKgkEU3eLKYtB6qRTQypHHUawCXz88uYt5e3w4V16H lCpSTZV/EVHnNe45FVBlvK7k7HFfDDkryM7BTQRZuCyIARAAlq0slcsVboY/+IUJdcbEiJRW be9HKVz4SUchq0z9MZPX/0dcnvz/gkyYA+OuM78dNS7Mbby5dTvOqfpLJfCuhaNYOhlE0wY+ 1T6Tf1f4c/uA3U/YiadukQ3+6TJuYGAdRZD5EqYFIkreARTVWg87N9g0fT9BEqLw9lJtEGDY EWUE7L++B8o4uu3LQFEYxcrb4K/WKmgtmFcm77s0IKDrfcX4doV92QTIpLiRxcOmCC/OCYuO jB1oaaqXQzZrCutXRK0L5XN1Y1PYjIrEzHMIXmCDlLYnpFkK+itlXwlE2ZQxkfMruCWdQXye syl2fynAe8hvp7Mms9qU2r2K9EcJiR5N1t1C2/kTKNUhcRv7Yd/vwusK7BqJbhlng5ZgRx0m WxdntU/JLEntz3QBsBsWM9Y9wf2V4tLv6/DuDBta781RsCB/UrU2zNuOEkSixlUiHxw1dccI 6CVlaWkkJBxmHX22GdDFrcjvwMNIbbyfQLuBq6IOh8nvu9vuItup7qemDG3Ms6TVwA7BD3j+ 3fGprtyW8Fd/RR2bW2+LWkMrqHffAr6Y6V3h5kd2G9Q8ZWpEJk+LG6Mk3fhZhmCnHhDu6CwN MeUvxXDVO+fqc3JjFm5OxhmfVeJKrbCEUJyM8ESWLoNHLqjywdZga4Q7P12g8DUQ1mRxYg/L HgZY3zfKOqcAEQEAAcLBfAQYAQgAJhYhBL4sQ7ueBCdcDgGOvnfybtNRzXKPBQJZuCyIAhsM BQkFo5qAAAoJEHfybtNRzXKPBVwQAKfFy9P7N3OsLDMB56A4Kf+ZT+d5cIx0Yiaf4n6w7m3i ImHHHk9FIetI4Xe54a2IXh4Bq5UkAGY0667eIs+Z1Ea6I2i27Sdo7DxGwq09Qnm/Y65ADvXs 3aBvokCcm7FsM1wky395m8xUos1681oV5oxgqeRI8/76qy0hD9WR65UW+HQgZRIcIjSel9vR XDaD2HLGPTTGr7u4v00UeTMs6qvPsa2PJagogrKY8RXdFtXvweQFz78NbXhluwix2Tb9ETPk LIpDrtzV73CaE2aqBG/KrboXT2C67BgFtnk7T7Y7iKq4/XvEdDWscz2wws91BOXuMMd4c/c4 OmGW9m3RBLufFrOag1q5yUS9QbFfyqL6dftJP3Zq/xe+mr7sbWbhPVCQFrH3r26mpmy841ym dwQnNcsbIGiBASBSKksOvIDYKa2Wy8htPmWFTEOPRpFXdGQ27awcjjnB42nngyCK5ukZDHi6 w0qK5DNQQCkiweevCIC6wc3p67jl1EMFY5+z+zdTPb3h7LeVnGqW0qBQl99vVFgzLxchKcl0 R/paSFgwqXCZhAKMuUHncJuynDOP7z5LirUeFI8qsBAJi1rXpQoLJTVcW72swZ42IdPiboqx NbTMiNOiE36GqMcTPfKylCbF45JNX4nF9ElM0E+Y8gi4cizJYBRr2FBJgay0b9Cp Message-ID: <91415509-b225-510c-89c2-459e0bc5b86d@FreeBSD.org> Date: Fri, 14 Dec 2018 14:25:05 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 3937B71CF0 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of agapon@gmail.com designates 209.85.167.44 as permitted sender) smtp.mailfrom=agapon@gmail.com X-Spamd-Result: default: False [-2.97 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; NEURAL_HAM_SHORT(-0.98)[-0.977,0]; FORGED_SENDER(0.30)[avg@FreeBSD.org,agapon@gmail.com]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[avg@FreeBSD.org,agapon@gmail.com]; TO_DOM_EQ_FROM_DOM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.99)[-0.995,0]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; DMARC_NA(0.00)[FreeBSD.org]; RCPT_COUNT_ONE(0.00)[1]; IP_SCORE(-0.99)[ipnet: 209.85.128.0/17(-3.55), asn: 15169(-1.32), country: US(-0.09)]; RCVD_IN_DNSWL_NONE(0.00)[44.167.85.209.list.dnswl.org : 127.0.5.0]; RCVD_TLS_LAST(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[44.167.85.209.rep.mailspike.net : 127.0.0.17] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Dec 2018 12:33:25 -0000 I wonder if people are aware of this issue and if anyone is looking into it. I got notified about it by Jenkins after an unrelated commit (ichwd). panic: Memory modified after free 0xfffffe002efc8ed0(8) val=deadc0df @ 0xfffffe002efc8ed0 11:51:33 cpuid = 0 11:51:33 time = 1544788293 11:51:33 KDB: stack backtrace: 11:51:33 db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe002634d4e0 11:51:33 vpanic() at vpanic+0x1b4/frame 0xfffffe002634d540 11:51:33 panic() at panic+0x43/frame 0xfffffe002634d5a0 11:51:33 trash_ctor() at trash_ctor+0x4c/frame 0xfffffe002634d5b0 11:51:33 uma_zalloc_arg() at uma_zalloc_arg+0x886/frame 0xfffffe002634d630 11:51:33 uma_zalloc_pcpu_arg() at uma_zalloc_pcpu_arg+0x23/frame 0xfffffe002634d660 11:51:33 vnet_icmpstat_init() at vnet_icmpstat_init+0x1a/frame 0xfffffe002634d680 11:51:33 vnet_alloc() at vnet_alloc+0x144/frame 0xfffffe002634d6b0 11:51:33 kern_jail_set() at kern_jail_set+0x1b32/frame 0xfffffe002634d940 11:51:33 sys_jail_set() at sys_jail_set+0x40/frame 0xfffffe002634d970 11:51:33 amd64_syscall() at amd64_syscall+0x272/frame 0xfffffe002634dab0 11:51:33 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002634dab0 11:51:33 --- syscall (507, FreeBSD ELF64, sys_jail_set), rip = 0x80031da7a, rsp = 0x7fffffffe618, rbp = 0x7fffffffe700 --- 11:51:33 KDB: enter: panic 11:51:33 [ thread pid 65285 tid 100146 ] 11:51:33 Stopped at kdb_enter+0x3b: movq $0,kdb_why 11:51:33 db:0:kdb.enter.panic> show pcpu 11:51:33 cpuid = 0 11:51:33 dynamic pcpu = 0xb7fb00 11:51:33 curthread = 0xfffff800059e5000: pid 65285 tid 100146 "jail" 11:51:33 curpcb = 0xfffffe002634db80 11:51:33 fpcurthread = 0xfffff800059e5000: pid 65285 "jail" 11:51:33 idlethread = 0xfffff8000327a000: tid 100003 "idle: cpu0" 11:51:33 curpmap = 0xfffff80005b04130 11:51:33 tssp = 0xffffffff821cafa0 11:51:33 commontssp = 0xffffffff821cafa0 11:51:33 rsp0 = 0xfffffe002634db80 11:51:33 gs32p = 0xffffffff821d1bd8 11:51:33 ldt = 0xffffffff821d1c18 11:51:33 tss = 0xffffffff821d1c08 11:51:33 curvnet = 0xfffff80003242b80 -- Andriy Gapon