syzbot


WARNING: ODEBUG bug in cancel_delayed_work
Status: fixed on 2021/11/10 00:50
Reported-by: syzbot+338f014a98367a08a114@syzkaller.appspotmail.com
Fix commit: 3a9d54b1947e Bluetooth: Set CONF_NOT_COMPLETE as l2cap_chan default
First crash: 659d, last: 208d

Cause bisection: introduced by (bisect log) :
commit 43ff7f53de2294a83dcf84b35de6ffa1ffafae9d
Author: Bhumika Goyal <bhumirks@gmail.com>
Date: Thu Oct 6 18:10:01 2016 +0000

  Staging: vc04_services: vchiq_arm: Remove unused function remote_event_destroy

Crash: WARNING in nf_unregister_net_hook (log)
Repro: C syz .config
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING: ODEBUG bug in cancel_delayed_work (2) 1 168d 168d 0/1 auto-closed as invalid on 2022/04/03 04:38
upstream WARNING: ODEBUG bug in cancel_delayed_work (2) C inconclusive 11 23d 168d 0/22 upstream: reported C repro on 2021/12/04 09:19
linux-4.19 WARNING: ODEBUG bug in cancel_delayed_work C done 1226 364d 659d 1/1 fixed on 2021/06/23 17:43

Sample crash report:
------------[ cut here ]------------
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 6902 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 lib/debugobjects.c:485
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 6902 Comm: syz-executor291 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x4a kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:485
Code: dd e0 23 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 23 94 88 48 c7 c7 40 19 94 88 e8 42 3d a6 fd <0f> 0b 83 05 83 50 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
RSP: 0018:ffffc90005557570 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
RDX: ffff8880a1ef2300 RSI: ffffffff815dafc7 RDI: fffff52000aaaea0
RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ae720f8b
R10: 0000000000000000 R11: 0000000030393654 R12: ffffffff89be28e0
R13: ffffffff81638450 R14: ffff88809e9c7200 R15: 1ffff92000aaaeb9
 debug_object_assert_init lib/debugobjects.c:870 [inline]
 debug_object_assert_init+0x1f4/0x2e0 lib/debugobjects.c:841
 debug_timer_assert_init kernel/time/timer.c:742 [inline]
 debug_assert_init kernel/time/timer.c:787 [inline]
 del_timer+0x6d/0x110 kernel/time/timer.c:1205
 try_to_grab_pending kernel/workqueue.c:1249 [inline]
 __cancel_work kernel/workqueue.c:3221 [inline]
 cancel_delayed_work+0xe0/0x450 kernel/workqueue.c:3250
 l2cap_clear_timer include/net/bluetooth/l2cap.h:879 [inline]
 l2cap_chan_del+0x541/0x1300 net/bluetooth/l2cap_core.c:661
 l2cap_chan_close+0x118/0xb10 net/bluetooth/l2cap_core.c:823
 l2cap_sock_shutdown+0x3b8/0xe90 net/bluetooth/l2cap_sock.c:1339
 l2cap_sock_release+0x63/0x1d0 net/bluetooth/l2cap_sock.c:1382
 __sock_release+0xcd/0x280 net/socket.c:596
 sock_close+0x18/0x20 net/socket.c:1277
 __fput+0x285/0x920 fs/file_table.c:281
 task_work_run+0xdd/0x190 kernel/task_work.c:141
 exit_task_work include/linux/task_work.h:25 [inline]
 do_exit+0xb7d/0x29f0 kernel/exit.c:806
 do_group_exit+0x125/0x310 kernel/exit.c:903
 get_signal+0x428/0x1f00 kernel/signal.c:2757
 arch_do_signal+0x82/0x2520 arch/x86/kernel/signal.c:811
 exit_to_user_mode_loop kernel/entry/common.c:135 [inline]
 exit_to_user_mode_prepare+0x15d/0x1c0 kernel/entry/common.c:166
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:241
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446d99
Code: Bad RIP value.
RSP: 002b:00007ffc1f7fd788 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446d99
RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004
RBP: 0000000000000003 R08: 00000000000000ff R09: 00000000000000ff
R10: 0000000000000004 R11: 0000000000000246 R12: 000000000073b850
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (3384):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/08/22 23:30 upstream c3d8f220d012 1da71ab0 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/22 22:33 upstream c3d8f220d012 1da71ab0 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/07 04:41 upstream 47ec5303d73e 1f122f88 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/08/06 02:40 upstream fffe3ae0ee84 0487ea6f .config log report syz C
ci-upstream-kasan-gce-root 2020/08/04 10:49 upstream 3208167a865e 196277c4 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/02 18:21 upstream ac3a0c847296 63a73341 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/02 18:00 upstream ac3a0c847296 63a73341 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/02 15:59 upstream ac3a0c847296 63a73341 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/08/01 02:58 upstream d8b9faec54ae d895b3be .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/08/01 02:38 upstream d8b9faec54ae d895b3be .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/08/01 00:38 upstream d8b9faec54ae d895b3be .config log report syz C
ci-upstream-net-this-kasan-gce 2020/12/06 09:20 net edd2410b165e f12ba0c5 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/08/22 21:28 net eeaac3634ee0 1da71ab0 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/08/04 05:40 net ac3a0c847296 196277c4 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/08/02 15:24 net ac3a0c847296 63a73341 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/07/31 00:50 net 27a2145d6f82 8df85ed9 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/07/31 00:11 net 27a2145d6f82 8df85ed9 .config log report syz C
ci-upstream-net-kasan-gce 2020/08/22 22:31 net-next 1aecbf1861f8 1da71ab0 .config log report syz C
ci-upstream-net-kasan-gce 2020/08/04 05:40 net-next bd0b33b24897 196277c4 .config log report syz C
ci-upstream-net-kasan-gce 2020/08/02 11:41 net-next 7126bd5c8bcb 63a73341 .config log report syz C
ci-upstream-net-kasan-gce 2020/07/31 00:50 net-next 41d707b7332f 8df85ed9 .config log report syz C
ci-upstream-net-kasan-gce 2020/07/31 00:07 net-next 41d707b7332f 8df85ed9 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/08/24 00:15 linux-next 494d311a82bb cef5ae68 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/08/09 12:18 linux-next 01830e6c042e f721e4a0 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/08/06 10:23 linux-next 01830e6c042e 0487ea6f .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/08/04 20:03 linux-next 01830e6c042e 80a06902 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/08/04 19:43 linux-next 01830e6c042e 80a06902 .config log report syz C
ci-upstream-kasan-gce-root 2021/10/24 13:10 upstream 9c0c4d24ac00 282f03fb .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/08 16:32 upstream d2b6f8a17919 bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-selinux-root 2021/05/08 12:05 upstream d2b6f8a17919 bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/08 11:04 upstream d2b6f8a17919 bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/08 10:37 upstream d2b6f8a17919 bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-selinux-root 2021/05/08 06:39 upstream d2b6f8a17919 bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/08 04:46 upstream d2b6f8a17919 bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-selinux-root 2021/05/08 03:17 upstream d2b6f8a17919 bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/07 20:30 upstream d2b6f8a17919 f6da8120 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/07 19:08 upstream d2b6f8a17919 f6da8120 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/07 13:47 upstream d2b6f8a17919 f6da8120 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-selinux-root 2021/05/07 08:46 upstream d2b6f8a17919 06585184 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-selinux-root 2021/05/07 06:56 upstream d2b6f8a17919 06585184 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-selinux-root 2021/05/07 00:43 upstream d2b6f8a17919 06585184 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/06 14:46 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-selinux-root 2021/05/06 12:37 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/06 09:30 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/06 07:04 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-selinux-root 2021/05/06 06:03 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/06 05:08 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/06 04:02 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/06 02:31 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/05 23:54 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/05 21:24 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-selinux-root 2021/05/05 18:03 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/05 14:48 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-kasan-gce-root 2021/05/05 10:31 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-qemu-upstream 2021/04/16 10:25 upstream 7e25f40eab52 c59079a6 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-qemu-upstream-386 2021/05/08 16:43 upstream 18a3c5f7abfd bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-qemu-upstream-386 2021/05/08 14:17 upstream 18a3c5f7abfd bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-qemu2-arm64-compat 2021/01/31 01:25 upstream 8c947645151c fc9fd31e .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/09/16 16:40 net 98dc68f8b0c2 aae492f2 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/08 01:04 net bbd6f0a94813 bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/07 23:58 net bbd6f0a94813 bc5434be .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/07 19:08 net bbd6f0a94813 f6da8120 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/07 17:12 net bbd6f0a94813 f6da8120 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/07 15:36 net bbd6f0a94813 f6da8120 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/07 12:33 net bbd6f0a94813 f6da8120 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/07 11:33 net bbd6f0a94813 f6da8120 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/07 05:19 net bbd6f0a94813 06585184 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/07 03:19 net bbd6f0a94813 06585184 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/07 01:50 net bbd6f0a94813 06585184 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/06 21:00 net bbd6f0a94813 06585184 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/06 19:43 net bbd6f0a94813 06585184 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/06 14:40 net bbd6f0a94813 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/06 08:13 net bbd6f0a94813 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/05 16:24 net bbd6f0a94813 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/05 13:41 net bbd6f0a94813 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2021/05/05 11:49 net bbd6f0a94813 06c27ff5 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-kasan-gce 2021/10/14 12:41 net-next 9974cb5c8790 5462d470 .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-kasan-gce 2021/04/08 10:45 net-next 0b35e0deb5be 6a81331a .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-linux-next-kasan-gce-root 2021/03/23 07:12 linux-next e3128d2f068e 8092f30d .config log report info WARNING: ODEBUG bug in cancel_delayed_work
ci-upstream-net-this-kasan-gce 2020/07/30 23:49 net 27a2145d6f82 8df85ed9 .config log report
ci-upstream-net-kasan-gce 2021/01/17 09:19 net-next c761b2df9df0 65a7a854 .config log report info