syzbot


WARNING: ODEBUG bug in del_timer (3)
Status: upstream: reported syz repro on 2019/05/07 21:06
Reported-by: syzbot+13d91ed9bbcd7dc13230@syzkaller.appspotmail.com
First crash: 1116d, last: 1104d

Cause bisection: failed (bisect log)

Fix bisection: failed (bisect log)
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING: ODEBUG bug in del_timer C inconclusive 74 730d 1141d 0/1 upstream: reported C repro on 2019/04/13 05:07
upstream WARNING: ODEBUG bug in del_timer (2) C 6 1471d 1472d 9/22 fixed on 2018/07/09 18:05
linux-4.19 WARNING: ODEBUG bug in del_timer 1 1031d 1031d 0/1 auto-closed as invalid on 2019/11/29 04:56
upstream WARNING: ODEBUG bug in del_timer C 200 1473d 1489d 6/22 fixed on 2018/05/16 09:57

Sample crash report:
------------[ cut here ]------------
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 22 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.1.0+ #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events sk_psock_destroy_deferred
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x715 kernel/panic.c:214
 __warn.cold+0x20/0x4c kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986
RIP: 0010:debug_print_object+0x168/0x250 lib/debugobjects.c:325
Code: dd 40 bb a4 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 40 bb a4 87 48 c7 c7 e0 b0 a4 87 e8 86 fb 0d fe <0f> 0b 83 05 1b c6 4b 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3
RSP: 0018:ffff8880a9a5f970 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815ac5d6 RDI: ffffed101534bf20
RBP: ffff8880a9a5f9b0 R08: ffff8880a9a4a5c0 R09: ffffed1015d240f1
R10: ffffed1015d240f0 R11: ffff8880ae920787 R12: 0000000000000001
R13: ffffffff88bacde0 R14: ffffffff816034b0 R15: ffff8880945220a8
 debug_object_assert_init lib/debugobjects.c:694 [inline]
 debug_object_assert_init+0x23a/0x2f0 lib/debugobjects.c:665
 debug_timer_assert_init kernel/time/timer.c:725 [inline]
 debug_assert_init kernel/time/timer.c:770 [inline]
 del_timer+0x7c/0x120 kernel/time/timer.c:1192
 try_to_grab_pending+0x37e/0x910 kernel/workqueue.c:1250
 __cancel_work_timer+0xc4/0x520 kernel/workqueue.c:3085
 cancel_delayed_work_sync+0x1b/0x20 kernel/workqueue.c:3258
 strp_done+0x5d/0xf0 net/strparser/strparser.c:527
 sk_psock_destroy_deferred+0x3a/0x6c0 net/core/skmsg.c:558
 process_one_work+0x989/0x1790 kernel/workqueue.c:2268
 worker_thread+0x98/0xe40 kernel/workqueue.c:2414
 kthread+0x354/0x420 kernel/kthread.c:254
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (46):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2019/05/19 02:51 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/05/19 02:24 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/05/19 01:58 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/05/19 01:33 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/05/19 01:09 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/05/18 23:18 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-root 2019/05/18 23:18 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/05/18 22:53 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-root 2019/05/18 21:34 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/05/18 21:30 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-root 2019/05/18 21:09 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/05/18 21:04 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-root 2019/05/18 20:44 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/05/18 20:41 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-root 2019/05/18 20:20 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/05/18 20:17 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/05/18 19:56 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/05/07 14:58 upstream 71ae5fc87c34 d28f4ce5 .config log report syz
ci-upstream-net-kasan-gce 2019/05/18 23:18 net-next 35c99ffa20ed 5a4461b0 .config log report syz
ci-upstream-net-kasan-gce 2019/05/18 21:08 net-next 35c99ffa20ed 5a4461b0 .config log report syz
ci-upstream-net-kasan-gce 2019/05/18 20:42 net-next 35c99ffa20ed 5a4461b0 .config log report syz
ci-upstream-net-kasan-gce 2019/05/18 20:15 net-next 35c99ffa20ed 5a4461b0 .config log report syz
ci-upstream-net-kasan-gce 2019/05/18 19:52 net-next 35c99ffa20ed 5a4461b0 .config log report syz
ci-upstream-net-kasan-gce 2019/05/18 19:29 net-next 35c99ffa20ed 5a4461b0 .config log report syz
ci-upstream-net-kasan-gce 2019/05/07 13:49 net-next 54516da1ea85 d28f4ce5 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/05/20 04:00 upstream 72cf0b07418a 5a4461b0 .config log report
ci-upstream-kasan-gce-smack-root 2019/05/18 20:15 upstream 72cf0b07418a 5a4461b0 .config log report
ci-upstream-kasan-gce-smack-root 2019/05/18 19:49 upstream 72cf0b07418a 5a4461b0 .config log report
ci-upstream-kasan-gce-selinux-root 2019/05/18 19:03 upstream 72cf0b07418a 5a4461b0 .config log report
ci-upstream-kasan-gce-selinux-root 2019/05/18 19:03 upstream 72cf0b07418a 5a4461b0 .config log report
ci-upstream-kasan-gce-smack-root 2019/05/18 19:01 upstream 72cf0b07418a 5a4461b0 .config log report
ci-upstream-kasan-gce-smack-root 2019/05/07 14:32 upstream 71ae5fc87c34 d28f4ce5 .config log report
ci-upstream-net-kasan-gce 2019/05/20 08:00 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/20 01:33 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/20 01:32 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/20 01:31 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/19 22:52 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/19 18:10 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/19 17:27 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/18 19:04 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/18 19:03 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/18 19:02 net-next 35c99ffa20ed 5a4461b0 .config log report
ci-upstream-net-kasan-gce 2019/05/07 13:25 net-next 54516da1ea85 d28f4ce5 .config log report