Date: Fri, 3 Aug 2018 22:42:51 +0200 From: Oliver Pinter <oliver.pinter@hardenedbsd.org> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: stable@freebsd.org Subject: Re: VNET related kernel panic on jail startup with epairs on 11-STABLE Message-ID: <CAPQ4ffsb=JK-4yXVQMugmL81gVJrNFHcYpMXePguy4YBiHYZvw@mail.gmail.com> In-Reply-To: <5428C6C5-5627-44DD-A4ED-AF28A305C4F4@lists.zabbadoz.net> References: <CAPQ4ffskA88vr-2nMCm37KhxZaYj3-XiZfcTPTFm8Dk5H7-%2BuQ@mail.gmail.com> <5428C6C5-5627-44DD-A4ED-AF28A305C4F4@lists.zabbadoz.net>
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On 8/3/18, Bjoern A. Zeeb <bzeeb-lists@lists.zabbadoz.net> wrote: > On 3 Aug 2018, at 18:48, Oliver Pinter wrote: > >> Hi all! >> >> One of out users observed an VNET related kernel panic with epairs in >> a jail. Seems like some of the > > Well would be great for a start to (a) email virtualisation@ as well, > (b) include a panic message, backtrace or other related information to > deduce anything about the possible bug, (c) and not to conflate it with > another totally unrelated MFC request. > > So what makes you think it=E2=80=99s related to tcp fast open? Every required detail is in HardenedBSD's github issue, but I copy the kernel panic here: Aug 2 17:52:00 test2 syslogd: kernel boot file is /boot/kernel/kernel Aug 2 17:52:00 test2 kernel: [205] epair3314a: promiscuous mode enabled Aug 2 17:52:00 test2 kernel: [205] panic: lock 0xfffffe00078e8fd8 is not initialized Aug 2 17:52:00 test2 kernel: [205] cpuid =3D 0 Aug 2 17:52:00 test2 kernel: [205] __HardenedBSD_version =3D 1100056 __FreeBSD_version =3D 1102501 Aug 2 17:52:00 test2 kernel: [205] version =3D FreeBSD 11.2-STABLE-HBSD #0 : Thu Aug 2 02:27:22 CEST 2018 Aug 2 17:52:00 test2 kernel: [205] root@hb67:/=CE=BB/obj/=CE=BB/src/11= /sys/VerKnowSys Aug 2 17:52:00 test2 kernel: [205] KDB: stack backtrace: Aug 2 17:52:00 test2 kernel: [205] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe011fbed750 Aug 2 17:52:00 test2 kernel: [205] vpanic() at vpanic+0x17c/frame 0xfffffe011fbed7b0 Aug 2 17:52:00 test2 kernel: [205] doadump() at doadump/frame 0xfffffe011fbed830 Aug 2 17:52:00 test2 kernel: [205] lock_destroy() at lock_destroy+0x32/frame 0xfffffe011fbed850 Aug 2 17:52:00 test2 kernel: [205] rm_destroy() at rm_destroy+0x33/frame 0xfffffe011fbed870 Aug 2 17:52:00 test2 kernel: [205] tcp_fastopen_destroy() at tcp_fastopen_destroy+0x44/frame 0xfffffe011fbed890 Aug 2 17:52:00 test2 kernel: [205] tcp_destroy() at tcp_destroy+0x10e/frame 0xfffffe011fbed8c0 Aug 2 17:52:00 test2 kernel: [205] vnet_destroy() at vnet_destroy+0x12c/frame 0xfffffe011fbed8f0 Aug 2 17:52:00 test2 kernel: [205] prison_deref() at prison_deref+0x29d/frame 0xfffffe011fbed930 Aug 2 17:52:00 test2 kernel: [205] sys_jail_remove() at sys_jail_remove+0x28a/frame 0xfffffe011fbed980 Aug 2 17:52:00 test2 kernel: [205] amd64_syscall() at amd64_syscall+0x6ae/frame 0xfffffe011fbedab0 Aug 2 17:52:00 test2 kernel: [205] fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe011fbedab0 Aug 2 17:52:00 test2 kernel: [205] --- syscall (508, FreeBSD ELF64, sys_jail_remove), rip =3D 0x507a3545dba, rsp =3D 0x68533a501528, rbp =3D 0x68533a5015a0 --- Aug 2 17:52:00 test2 kernel: [205] KDB: enter: panic > > > /bz >
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