syzbot


WARNING: ODEBUG bug in __cancel_work

Status: upstream: reported C repro on 2020/07/31 03:33
Reported-by: syzbot+e1cec4aacd0d7445d72b@syzkaller.appspotmail.com
First crash: 1418d, last: 475d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: ODEBUG bug in __cancel_work bluetooth C inconclusive 1 673d 669d 22/27 fixed on 2023/02/24 13:50
Fix bisection attempts (20)
Created Duration User Patch Repo Result
2023/03/01 11:14 26m bisect fix linux-4.14.y job log (0) log
2023/01/28 09:56 35m bisect fix linux-4.14.y job log (0) log
2022/11/19 18:21 23m bisect fix linux-4.14.y job log (0) log
2022/10/20 09:41 25m bisect fix linux-4.14.y job log (0) log
2022/09/15 18:17 25m bisect fix linux-4.14.y job log (0) log
2022/08/16 17:27 31m bisect fix linux-4.14.y job log (0) log
2022/07/17 16:43 26m bisect fix linux-4.14.y job log (0) log
2022/06/17 16:09 22m bisect fix linux-4.14.y job log (0) log
2022/05/18 15:35 27m bisect fix linux-4.14.y job log (0) log
2022/04/18 15:00 25m bisect fix linux-4.14.y job log (0) log
2022/03/19 14:15 25m bisect fix linux-4.14.y job log (0) log
2022/02/17 06:01 21m bisect fix linux-4.14.y job log (0) log
2022/01/18 05:35 26m bisect fix linux-4.14.y job log (0) log
2021/12/19 05:06 28m bisect fix linux-4.14.y job log (0) log
2021/11/19 00:53 23m bisect fix linux-4.14.y job log (0) log
2021/10/20 00:32 21m bisect fix linux-4.14.y job log (0) log
2021/09/20 00:11 21m bisect fix linux-4.14.y job log (0) log
2021/08/20 23:36 24m bisect fix linux-4.14.y job log (0) log
2021/07/21 22:53 26m bisect fix linux-4.14.y job log (0) log
2021/06/21 22:24 23m bisect fix linux-4.14.y job log (0) log

Sample crash report:
IPVS: ftp: loaded support on port[0] = 21
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
ODEBUG: assert_init not available (active state 0) object type: timer_list hint:           (null)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8047 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 8047 Comm: syz-executor662 Not tainted 4.14.232-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287
RSP: 0018:ffff8880b2987578 EFLAGS: 00010082
RAX: 0000000000000061 RBX: 0000000000000005 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bbbc0 RDI: ffffed1016530ea5
RBP: ffffffff878b6e80 R08: 0000000000000061 R09: 0000000000000003
R10: 0000000000000000 R11: ffff8880b1872340 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88809d6ea4f0 R15: 1ffff11016530eb8
 debug_object_assert_init lib/debugobjects.c:656 [inline]
 debug_object_assert_init+0x1d3/0x2d0 lib/debugobjects.c:627
 debug_timer_assert_init kernel/time/timer.c:708 [inline]
 debug_assert_init kernel/time/timer.c:756 [inline]
 del_timer+0x5d/0xe0 kernel/time/timer.c:1151
 try_to_grab_pending+0x243/0x610 kernel/workqueue.c:1225
 __cancel_work+0x68/0x240 kernel/workqueue.c:3032
 l2cap_clear_timer include/net/bluetooth/l2cap.h:834 [inline]
 l2cap_chan_del+0x4b5/0x950 net/bluetooth/l2cap_core.c:641
 l2cap_chan_close+0x103/0x870 net/bluetooth/l2cap_core.c:757
 l2cap_sock_shutdown+0x2e7/0xc20 net/bluetooth/l2cap_sock.c:1160
 l2cap_sock_release+0x77/0x280 net/bluetooth/l2cap_sock.c:1203
 __sock_release+0xcd/0x2b0 net/socket.c:602
 sock_close+0x15/0x20 net/socket.c:1139
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa44/0x2850 kernel/exit.c:868
 do_group_exit+0x100/0x2e0 kernel/exit.c:965
 get_signal+0x38d/0x1ca0 kernel/signal.c:2423
 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:792
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x445fe9
RSP: 002b:00007ffc902d24b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000445fe9
RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 0000000000000003 R08: 000000ff00000001 R09: 000000ff00000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001a582b8
R13: 0000000000000072 R14: 00007ffc902d2510 R15: 0000000000000003
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1362):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/04/28 16:25 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config console log report syz C ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2020/12/07 16:37 linux-4.14.y c196b3a9c83a f80ce148 .config console log report syz C ci2-linux-4-14
2020/08/22 22:58 linux-4.14.y 6a24ca2506d6 1da71ab0 .config console log report syz C ci2-linux-4-14
2020/08/07 00:05 linux-4.14.y ca4f2c56d416 cb436c69 .config console log report syz C ci2-linux-4-14
2020/08/02 14:28 linux-4.14.y 7f2c5eb458b8 96dd3623 .config console log report syz C ci2-linux-4-14
2020/07/31 04:33 linux-4.14.y e5a54aa2d312 8df85ed9 .config console log report syz C ci2-linux-4-14
2020/07/31 04:13 linux-4.14.y e5a54aa2d312 8df85ed9 .config console log report syz C ci2-linux-4-14
2020/07/31 03:33 linux-4.14.y e5a54aa2d312 8df85ed9 .config console log report syz C ci2-linux-4-14
2021/05/22 06:14 linux-4.14.y 7d7d1c0ab3eb 3c7fef33 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/20 11:09 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/20 08:46 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/20 07:32 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/20 04:36 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/20 02:37 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/20 01:29 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/19 23:19 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/19 20:02 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/19 18:59 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/19 17:52 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/19 09:55 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/19 08:16 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/19 05:08 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/19 03:38 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/19 00:58 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 19:53 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 18:30 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 17:05 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 15:10 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 13:42 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 11:54 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 10:50 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 09:41 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 08:37 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 07:28 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 05:44 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 00:54 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/18 00:09 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 21:21 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 15:20 linux-4.14.y 7d7d1c0ab3eb a2eb125d .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 14:15 linux-4.14.y 7d7d1c0ab3eb a2eb125d .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 12:23 linux-4.14.y 7d7d1c0ab3eb a2eb125d .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 10:48 linux-4.14.y 7d7d1c0ab3eb a2eb125d .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 09:29 linux-4.14.y 7d7d1c0ab3eb a2eb125d .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 08:11 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 06:44 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 05:36 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 01:18 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/17 00:18 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/16 22:54 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/16 20:46 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/05/16 19:24 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 WARNING: ODEBUG bug in __cancel_work
2021/01/17 04:30 linux-4.14.y f79dc86058bc 65a7a854 .config console log report info ci2-linux-4-14
* Struck through repros no longer work on HEAD.