syzbot


WARNING: ODEBUG bug in hci_dev_close_sync (2)

Status: closed as dup on 2022/09/18 13:01
Subsystems: bluetooth
[Documentation on labels]
Reported-by: syzbot+e6fb0b74cd2dab0c42ec@syzkaller.appspotmail.com
First crash: 817d, last: 790d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
WARNING: ODEBUG bug in mgmt_index_removed bluetooth 1 809d 805d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] WARNING: ODEBUG bug in hci_dev_close_sync (2) 0 (1) 2022/09/01 08:58
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: ODEBUG bug in hci_dev_close_sync bluetooth 1 1017d 1013d 0/28 auto-closed as invalid on 2022/06/08 00:41

Sample crash report:
Bluetooth: hci0: hardware error 0x00
------------[ cut here ]------------
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 1 PID: 3658 at lib/debugobjects.c:502 debug_print_object+0x16e/0x250 lib/debugobjects.c:502
Modules linked in:
CPU: 1 PID: 3658 Comm: kworker/u5:9 Not tainted 6.0.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: hci0 hci_error_reset
RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:502
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd c0 f4 48 8a 4c 89 ee 48 c7 c7 60 e8 48 8a e8 b4 4e 39 05 <0f> 0b 83 05 65 45 dd 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc9000393f920 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
RDX: ffff88807860e240 RSI: ffffffff81611e08 RDI: fffff52000727f16
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff89eeed40
R13: ffffffff8a48ef20 R14: ffffffff816a4eb0 R15: 1ffff92000727f2f
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e724000 CR3: 0000000020450000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 debug_object_assert_init lib/debugobjects.c:892 [inline]
 debug_object_assert_init+0x1f4/0x2e0 lib/debugobjects.c:863
 debug_timer_assert_init kernel/time/timer.c:792 [inline]
 debug_assert_init kernel/time/timer.c:837 [inline]
 del_timer+0x6d/0x110 kernel/time/timer.c:1257
 try_to_grab_pending+0x6d/0xd0 kernel/workqueue.c:1275
 __cancel_work_timer+0xa6/0x570 kernel/workqueue.c:3121
 hci_dev_close_sync+0xc37/0x1130 net/bluetooth/hci_sync.c:4452
 hci_dev_do_close+0x2d/0x70 net/bluetooth/hci_core.c:554
 hci_error_reset+0x96/0x130 net/bluetooth/hci_core.c:1050
 process_one_work+0x991/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/09/12 19:15 upstream 80e78fcce86d f371ed7e .config console log report info ci-upstream-kasan-gce-selinux-root WARNING: ODEBUG bug in hci_dev_close_sync
2022/08/27 10:16 upstream e022620b5d05 07177916 .config console log report info ci-qemu-upstream WARNING: ODEBUG bug in hci_dev_close_sync
2022/09/23 05:21 net-next-old d05d9eb79d0c 0042f2b4 .config console log report info ci-upstream-net-kasan-gce WARNING: ODEBUG bug in hci_dev_close_sync
* Struck through repros no longer work on HEAD.