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Message-ID: <20170218052725.s5i37la72t3vbgzz@wfg-t540p.sh.intel.com>
Date: Sat, 18 Feb 2017 13:27:25 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Kees Cook <keescook@...omium.org>
Cc: Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
LKP <lkp@...org>
Subject: [x86/vsyscall] 3dc33bd30f Kernel panic - not syncing: Attempted to
kill init! exitcode=0x0000000b
Hi Kees,
It's an old patch, however the panic still happens in linux-next 20170217.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 3dc33bd30f3e1c1bcaaafa3482737694debf0f0b
Author: Kees Cook <keescook@...omium.org>
AuthorDate: Wed Aug 12 17:55:19 2015 -0700
Commit: Ingo Molnar <mingo@...nel.org>
CommitDate: Sun Sep 20 10:31:06 2015 +0200
x86/entry/vsyscall: Add CONFIG to control default
Most modern systems can run with vsyscall=none. In an effort to
provide a way for build-time defaults to lack legacy settings,
this adds a new CONFIG to select the type of vsyscall mapping to
use, similar to the existing "vsyscall" command line parameter.
Signed-off-by: Kees Cook <keescook@...omium.org>
Acked-by: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Josh Triplett <josh@...htriplett.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/20150813005519.GA11696@www.outflux.net
Signed-off-by: Ingo Molnar <mingo@...nel.org>
+-----------------------------------------------------------+------------+------------+-----------+
| | c25be94f28 | 3dc33bd30f | v4.10-rc8 |
+-----------------------------------------------------------+------------+------------+-----------+
| boot_successes | 252 | 32 | 25 |
| boot_failures | 0 | 56 | 31 |
| Kernel_panic-not_syncing:Attempted_to_kill_init!exitcode= | 0 | 54 | 28 |
| BUG:kernel_reboot-without-warning_in_boot_stage | 0 | 2 | |
| BUG:kernel_hang_in_test_stage | 0 | 0 | 2 |
| BUG:kernel_reboot-without-warning_in_test_stage | 0 | 0 | 1 |
+-----------------------------------------------------------+------------+------------+-----------+
[ 12.110061] floppy: error -5 while reading block 0
[ 12.130066] floppy: error -5 while reading block 0
[ 12.198488] gfs2: path_lookup on rootfs returned error -2
[ 12.203718] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 12.203718]
[ 12.206760] CPU: 0 PID: 1 Comm: init Not tainted 4.3.0-rc1-00133-g3dc33bd #1
[ 12.208393] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[ 12.210006] 0000000000000000 ffff88001e8cfca8 ffffffff8133b2e0 ffff88001e8cfd28
[ 12.210006] ffffffff810dd97a ffffffff00000010 ffff88001e8cfd38 ffff88001e8cfcd0
[ 12.210006] ffff88001e8d8000 000000000000000b ffff88001e8e4010 0000000000000001
[ 12.210006] Call Trace:
[ 12.210006] [<ffffffff8133b2e0>] dump_stack+0x19/0x1b
[ 12.210006] [<ffffffff810dd97a>] panic+0xb5/0x1db
[ 12.210006] [<ffffffff810827cd>] do_exit+0x3fa/0x7d9
[ 12.210006] [<ffffffff81082c11>] do_group_exit+0x39/0xa1
[ 12.210006] [<ffffffff8108a9eb>] get_signal+0x4a0/0x4e1
[ 12.210006] [<ffffffff8100b0d0>] do_signal+0x23/0x440
[ 12.210006] [<ffffffff81340389>] ? ___ratelimit+0xc8/0xe2
[ 12.210006] [<ffffffff810ab375>] ? __printk_ratelimit+0x13/0x15
[ 12.210006] [<ffffffff81003798>] ? warn_bad_vsyscall+0x2e/0x83
[ 12.210006] [<ffffffff810391bf>] ? bad_area_nosemaphore+0xe/0x10
[ 12.210006] [<ffffffff810394c2>] ? __do_page_fault+0x15e/0x345
[ 12.210006] [<ffffffff81003290>] prepare_exit_to_usermode+0x74/0x9d
[ 12.210006] [<ffffffff81a6c0a2>] retint_user+0x8/0x10
[ 12.210006] Kernel Offset: disabled
Elapsed time: 20
git bisect start v4.4 v4.3 --
git bisect bad cd6caf550a2adc763c6301ecc0be01f422fb2aea # 02:16 7- 9 Merge tag 'for-linus-4.4' of git://git.code.sf.net/p/openipmi/linux-ipmi
git bisect bad 713009809681e5a7871e96e6992692c805b4480b # 02:30 0- 2 Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
git bisect bad ccf21b69a83afaee4d5499e0d03eacf23946e08c # 02:41 0- 12 Merge branch 'for-4.4/reservations' of git://git.kernel.dk/linux-block
git bisect good b831ef2cad979912850e34f82415c0c5d59de8cb # 02:58 59+ 0 Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect bad ccc9d4a6d640cbde05d519edeb727881646cf71b # 03:14 30- 5 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
git bisect bad f323c49b300baf89e2cb4050b0def1856c0b1852 # 03:24 0- 15 Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect bad a75a3f6fc92888e4119744d8594ffdf748c3d444 # 03:35 0- 6 Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect good 53528695ff6d8b77011bc818407c13e30914a946 # 03:56 81+ 0 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect good d2bea739f8b41d620c235d81e00289d01169dc3c # 04:13 82+ 0 Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect bad 034042cc1e2837a584cda0a5e4fc2b0a96b74543 # 04:22 0- 1 x86/entry/syscalls: Move syscall table declarations into asm/syscalls.h
git bisect bad dd27f998f0ed3c797032a82033fa191be7c61e4c # 04:36 2- 2 x86/entry/64/compat: Fix SYSENTER's NT flag before user memory access
git bisect bad 0b101e62afe626ecae60173f92f1e0ec72151653 # 04:45 0- 3 x86/asm: Force inlining of cpu_relax()
git bisect bad 93f13a9f96771a064c716364aebc6e283b186eb8 # 05:00 0- 5 x86/entry/vsyscall: Fix undefined symbol warning
git bisect bad 3dc33bd30f3e1c1bcaaafa3482737694debf0f0b # 05:18 1- 3 x86/entry/vsyscall: Add CONFIG to control default
git bisect good c25be94f2870bf75552a41ad8b15f756e19ffb1d # 06:28 81+ 0 x86/asm/entry/32, selftests: Add 'test_syscall_vdso' test
# first bad commit: [3dc33bd30f3e1c1bcaaafa3482737694debf0f0b] x86/entry/vsyscall: Add CONFIG to control default
git bisect good c25be94f2870bf75552a41ad8b15f756e19ffb1d # 08:36 242+ 0 x86/asm/entry/32, selftests: Add 'test_syscall_vdso' test
# extra tests with CONFIG_DEBUG_INFO_REDUCED
git bisect bad 3dc33bd30f3e1c1bcaaafa3482737694debf0f0b # 08:45 0- 1 x86/entry/vsyscall: Add CONFIG to control default
# extra tests on HEAD of linus/master
git bisect bad 747ae0a96f1a78b35c5a3d93ad37a16655e16340 # 09:03 0- 1 Merge tag 'media/v4.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
# extra tests on tree/branch linus/master
git bisect bad 6dc39c50e4aeb769c8ae06edf2b1a732f3490913 # 09:17 5- 2 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
# extra tests on tree/branch linus/master
git bisect bad 6dc39c50e4aeb769c8ae06edf2b1a732f3490913 # 09:17 0- 2 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
# extra tests on tree/branch linux-next/master
git bisect bad 4ce4a759a3e221b5265ebd03c2f8888b69a7cf3e # 09:40 0- 1 Add linux-next specific files for 20170217
---
0-DAY kernel test infrastructure Open Source Technology Center
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