syzbot


WARNING in hrtimer_init

Status: public: reported C repro on 2019/05/08 01:27
Reported-by: syzbot+1a285e2fec96a54baecb@syzkaller.appspotmail.com
First crash: 1899d, last: 1689d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in hrtimer_init kernel C done done 2 711d 710d 0/27 auto-obsoleted due to no activity on 2023/05/17 19:00

Sample crash report:
random: crng init done
audit: type=1400 audit(1561227823.515:5): avc:  denied  { wake_alarm } for  pid=2057 comm="syz-executor867" capability=35  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1
ODEBUG: object 00000000b8aab667 is on stack 00000000fc0a543f, but NOT annotated.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2057 at lib/debugobjects.c:303 debug_object_is_on_stack lib/debugobjects.c:303 [inline]
WARNING: CPU: 1 PID: 2057 at lib/debugobjects.c:303 __debug_object_init.cold+0x6b/0x2fd lib/debugobjects.c:329
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 2057 Comm: syz-executor867 Not tainted 4.9.182+ #2
 ffff8801cefafa58 ffffffff81b57e21 0000000000000000 ffffffff82a3a960
 00000000ffffffff 0000000000000001 0000000000000009 ffff8801cefafb38
 ffffffff813fd5da 0000000041b58ab3 ffffffff82e313da ffffffff813fd401
Call Trace:
 [<000000001398aa51>] __dump_stack lib/dump_stack.c:15 [inline]
 [<000000001398aa51>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<000000004b8137bb>] panic+0x1d9/0x3bd kernel/panic.c:180
 [<00000000cd5b05c3>] __warn.cold+0x2f/0x2f kernel/panic.c:546
 [<00000000f3f57b91>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:589
 [<000000003dcdfcd8>] debug_object_is_on_stack lib/debugobjects.c:303 [inline]
 [<000000003dcdfcd8>] __debug_object_init.cold+0x6b/0x2fd lib/debugobjects.c:329
 [<000000006dabdc87>] debug_object_init+0x16/0x20 lib/debugobjects.c:366
 [<000000005b5ff994>] debug_hrtimer_init kernel/time/hrtimer.c:393 [inline]
 [<000000005b5ff994>] debug_init kernel/time/hrtimer.c:438 [inline]
 [<000000005b5ff994>] hrtimer_init+0x2a/0x2f0 kernel/time/hrtimer.c:1165
 [<00000000399753ad>] alarm_init kernel/time/alarmtimer.c:321 [inline]
 [<00000000399753ad>] alarm_timer_nsleep+0x160/0x4e0 kernel/time/alarmtimer.c:783
 [<000000001d148a3a>] SYSC_clock_nanosleep kernel/time/posix-timers.c:1128 [inline]
 [<000000001d148a3a>] SyS_clock_nanosleep+0x1be/0x280 kernel/time/posix-timers.c:1110
 [<00000000f1b396da>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000c46843c2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (5544):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/06/22 18:28 https://android.googlesource.com/kernel/common android-4.9 b9dc7bb832a3 34bf9440 .config console log report syz C ci-android-49-kasan-gce-root
2019/05/08 00:52 https://android.googlesource.com/kernel/common android-4.9 a2952deabe5a a7383bfa .config console log report syz C ci-android-49-kasan-gce-root
2019/05/08 00:32 https://android.googlesource.com/kernel/common android-4.9 a2952deabe5a a7383bfa .config console log report syz C ci-android-49-kasan-gce-root
2019/12/04 09:54 android-4.9 a36b5017c810 0ecb9746 .config console log report ci-android-49-kasan-gce-root
2019/12/04 05:54 android-4.9 a36b5017c810 ae13a849 .config console log report ci-android-49-kasan-gce-root
2019/12/04 05:53 android-4.9 a36b5017c810 ae13a849 .config console log report ci-android-49-kasan-gce-root
2019/12/03 22:02 android-4.9 a36b5017c810 ae13a849 .config console log report ci-android-49-kasan-gce-root
2019/12/03 21:02 android-4.9 a36b5017c810 ae13a849 .config console log report ci-android-49-kasan-gce-root
2019/12/03 19:28 android-4.9 a36b5017c810 ae13a849 .config console log report ci-android-49-kasan-gce-root
2019/12/03 14:52 android-4.9 a36b5017c810 ab342da3 .config console log report ci-android-49-kasan-gce-root
2019/12/03 12:44 android-4.9 a36b5017c810 ab342da3 .config console log report ci-android-49-kasan-gce-root
2019/12/03 03:17 android-4.9 a36b5017c810 ab342da3 .config console log report ci-android-49-kasan-gce-root
2019/12/03 03:09 android-4.9 a36b5017c810 ab342da3 .config console log report ci-android-49-kasan-gce-root
2019/12/03 01:01 android-4.9 a36b5017c810 ab342da3 .config console log report ci-android-49-kasan-gce-root
2019/12/02 19:33 android-4.9 a36b5017c810 f879db37 .config console log report ci-android-49-kasan-gce-root
2019/12/02 16:25 android-4.9 a36b5017c810 f879db37 .config console log report ci-android-49-kasan-gce-root
2019/12/02 14:22 android-4.9 a36b5017c810 f879db37 .config console log report ci-android-49-kasan-gce-root
2019/12/02 13:02 android-4.9 a36b5017c810 f879db37 .config console log report ci-android-49-kasan-gce-root
2019/12/02 10:23 android-4.9 a36b5017c810 f879db37 .config console log report ci-android-49-kasan-gce-root
2019/12/02 10:11 android-4.9 a36b5017c810 f879db37 .config console log report ci-android-49-kasan-gce-root
2019/12/02 06:15 android-4.9 a36b5017c810 f879db37 .config console log report ci-android-49-kasan-gce-root
2019/12/02 02:24 android-4.9 a36b5017c810 f879db37 .config console log report ci-android-49-kasan-gce-root
2019/12/02 00:36 android-4.9 a36b5017c810 f879db37 .config console log report ci-android-49-kasan-gce-root
2019/12/01 19:41 android-4.9 a36b5017c810 a76bf83f .config console log report ci-android-49-kasan-gce-root
2019/12/01 18:09 android-4.9 a36b5017c810 a76bf83f .config console log report ci-android-49-kasan-gce-root
2019/12/01 15:40 android-4.9 a36b5017c810 a76bf83f .config console log report ci-android-49-kasan-gce-root
2019/12/01 14:25 android-4.9 a36b5017c810 a76bf83f .config console log report ci-android-49-kasan-gce-root
2019/12/01 13:20 android-4.9 a36b5017c810 a76bf83f .config console log report ci-android-49-kasan-gce-root
2019/12/01 09:49 android-4.9 a36b5017c810 a76bf83f .config console log report ci-android-49-kasan-gce-root
2019/12/01 08:26 android-4.9 a36b5017c810 a76bf83f .config console log report ci-android-49-kasan-gce-root
2019/12/01 04:05 android-4.9 a36b5017c810 a76bf83f .config console log report ci-android-49-kasan-gce-root
2019/11/30 21:56 android-4.9 a36b5017c810 a76bf83f .config console log report ci-android-49-kasan-gce-root
2019/11/30 19:56 android-4.9 a36b5017c810 3a75be00 .config console log report ci-android-49-kasan-gce-root
2019/11/30 15:19 android-4.9 a36b5017c810 3a75be00 .config console log report ci-android-49-kasan-gce-root
2019/11/30 14:06 android-4.9 a36b5017c810 3a75be00 .config console log report ci-android-49-kasan-gce-root
2019/11/30 13:55 android-4.9 a36b5017c810 3a75be00 .config console log report ci-android-49-kasan-gce-root
2019/11/30 07:01 android-4.9 a36b5017c810 3a75be00 .config console log report ci-android-49-kasan-gce-root
2019/11/30 05:23 android-4.9 a36b5017c810 3a75be00 .config console log report ci-android-49-kasan-gce-root
2019/11/30 01:32 android-4.9 a36b5017c810 3a75be00 .config console log report ci-android-49-kasan-gce-root
2019/11/30 00:30 android-4.9 a36b5017c810 3a75be00 .config console log report ci-android-49-kasan-gce-root
2019/11/29 22:50 android-4.9 a36b5017c810 d29b9e84 .config console log report ci-android-49-kasan-gce-root
2019/11/29 22:49 android-4.9 a36b5017c810 d29b9e84 .config console log report ci-android-49-kasan-gce-root
2019/11/29 21:05 android-4.9 a36b5017c810 d29b9e84 .config console log report ci-android-49-kasan-gce-root
2019/11/29 19:38 android-4.9 a36b5017c810 d29b9e84 .config console log report ci-android-49-kasan-gce-root
2019/11/29 18:18 android-4.9 a36b5017c810 d29b9e84 .config console log report ci-android-49-kasan-gce-root
* Struck through repros no longer work on HEAD.