5:26 a.m.
Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git kaslr/weak
commit 76af8859bd7cf8a0eba20c3ebb5b738eca33907d
Author: Kees Cook <keescook(a)chromium.org>
AuthorDate: Thu Jan 15 16:47:03 2015 -0800
Commit: Kees Cook <keescook(a)chromium.org>
CommitDate: Tue Jan 5 14:05:29 2016 -0800
DEBUG: testing weak symbols during relocation
This is to report weak symbol locations after relocation.
Signed-off-by: Kees Cook <keescook(a)chromium.org>
+-------------------------------------------------------+------------+------------+------------+
| | ee9a7d2cb0 | 76af8859bd |
2bd4d8e3f4 |
+-------------------------------------------------------+------------+------------+------------+
| boot_successes | 138 | 0 | 0
|
| boot_failures | 2 | 17 | 41
|
| IP-Config:Auto-configuration_of_network_failed | 2 | 2 | 2
|
| WARNING:at_init/main.c:#start_kernel() | 0 | 17 | 41
|
| BUG:unable_to_handle_kernel | 0 | 0 | 4
|
| Oops | 0 | 0 | 4
|
| EIP_is_at_perf_prepare_sample | 0 | 0 | 4
|
| Kernel_panic-not_syncing:Fatal_exception | 0 | 0 | 1
|
| Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 0 | 3
|
| backtrace:vfs_fstatat | 0 | 0 | 2
|
| backtrace:SyS_fstatat64 | 0 | 0 | 2
|
+-------------------------------------------------------+------------+------------+------------+
[ 0.388437] Freeing SMP alternatives memory: 12K (7b308000 - 7b30b000)
[ 0.392437] nosuchfn = 01a00000
[ 0.392878] ------------[ cut here ]------------
[ 0.396367] WARNING: CPU: 0 PID: 0 at init/main.c:685 start_kernel+0x3b3/0x3bd()
[ 0.398604] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.0-rc8-00006-g76af885 #1
[ 0.404649] 00000000 00000000 7b0b1fb0 7ab8284e 00000000 7b0b1fc8 7aa3b547 7b166aef
[ 0.405902] 7b1a33a0 00020800 7b30f800 7b0b1fd8 7aa3b5e4 00000009 00000000 7b0b1fe8
[ 0.407139] 7b166aef 7b1a33a0 00000800 7b0b1ff8 7b1662c3 00000800 7b30f800 047c5003
[ 0.408316] Call Trace:
[ 0.408642] [<7ab8284e>] dump_stack+0x48/0x69
[ 0.410272] [<7aa3b547>] warn_slowpath_common+0x74/0x8b
[ 0.411000] [<7b166aef>] ? start_kernel+0x3b3/0x3bd
[ 0.412742] [<7aa3b5e4>] warn_slowpath_null+0xf/0x13
[ 0.414397] [<7b166aef>] start_kernel+0x3b3/0x3bd
[ 0.415005] [<7b1662c3>] i386_start_kernel+0x91/0x95
[ 0.416745] ---[ end trace cb88537fdc8fa200 ]---
[ 0.418785] Enabling APIC mode: Flat. Using 1 I/O APICs
git bisect start 2bd4d8e3f4269ce704f98b699cb2318997c192d2
168309855a7d1e16db751e9c647119fe2d2dc878 --
git bisect bad 025a0ad03e0e2b830eb29bdfece2d5aa0ecb1fb0 # 12:54 0- 2 Merge
'tip/x86/mm' into devel-spot-201601060621
git bisect bad 655f7c0dc78d7b77006e17bfa541afff2bb9cfe2 # 12:54 0- 6 Merge
'asoc/for-next' into devel-spot-201601060621
git bisect good 332369c1028ba45c39e85c433c46b8e2c3d92604 # 13:00 21+ 0 Merge
'kees/kspp/lkdtm-atomics' into devel-spot-201601060621
git bisect bad bf68b34e3402d8c390e6558fe23f1fa4e70b304f # 13:01 0- 28 Merge
'linux-review/Craig-Gallek/soreuseport-pass-skb-to-secondary-UDP-socket-lookup/20160106-041145'
into devel-spot-201601060621
git bisect bad ff20e1a9e8341310c9a47bac8813ed9f88acc08d # 13:01 0- 6 Merge
'kees/getsockname' into devel-spot-201601060621
git bisect good 05eabb541e9ea232ab4c1c0a84051350c780fd9f # 13:07 21+ 2 Merge
'kees/kspp/arm-rodata' into devel-spot-201601060621
git bisect bad 58ea632845ead13aa582cc087a3406158cefdbc7 # 13:07 0- 8 Merge
'kees/kaslr/weak' into devel-spot-201601060621
git bisect bad 76af8859bd7cf8a0eba20c3ebb5b738eca33907d # 13:08 0- 17 DEBUG:
testing weak symbols during relocation
# first bad commit: [76af8859bd7cf8a0eba20c3ebb5b738eca33907d] DEBUG: testing weak symbols
during relocation
git bisect good ee9a7d2cb0cf1a1498478bc923d911f3d9c910ac # 13:11 66+ 2 Merge
tag 'trace-v4.4-rc4-3' of
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
# extra tests with DEBUG_INFO
git bisect bad 76af8859bd7cf8a0eba20c3ebb5b738eca33907d # 13:11 0- 4 DEBUG:
testing weak symbols during relocation
# extra tests on HEAD of linux-devel/devel-spot-201601060621
git bisect bad 2bd4d8e3f4269ce704f98b699cb2318997c192d2 # 13:11 0- 41 0day
head guard for 'devel-spot-201601060621'
# extra tests on tree/branch kees/kaslr/weak
git bisect bad 76af8859bd7cf8a0eba20c3ebb5b738eca33907d # 13:12 0- 17 DEBUG:
testing weak symbols during relocation
# extra tests with first bad commit reverted
git bisect good 44ce2ae44d528c4ddbdc1237e796edae70ec4a5a # 13:20 61+ 0 Revert
"DEBUG: testing weak symbols during relocation"
# extra tests on tree/branch linus/master
git bisect good ee9a7d2cb0cf1a1498478bc923d911f3d9c910ac # 13:22 66+ 2 Merge
tag 'trace-v4.4-rc4-3' of
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
# extra tests on tree/branch linux-next/master
git bisect good 8ef79cd05e6894c01ab9b41aa918a402fa8022a7 # 13:25 65+ 0 Add
linux-next specific files for 20160105
---
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