syzbot

 sign-in | mailing list | source | docs
🐞 Open [717]
🐞 Fixed [181]
🐞 Invalid [640]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

WARNING in __queue_work (2)

Status: auto-obsoleted due to no activity on 2023/02/14 12:30
Reported-by: syzbot+56ca42a2ea43d5209be1@syzkaller.appspotmail.com
First crash: 1310d, last: 995d
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in __queue_work (3) kernel -1 syz error 953 966d 1800d 22/29 fixed on 2023/02/24 13:50
upstream WARNING in __queue_work netfilter -1 C 1 2699d 2699d 4/29 fixed on 2018/02/26 20:04
linux-4.14 WARNING in __queue_work -1 3 1592d 1631d 0/1 auto-closed as invalid on 2021/06/28 11:00
upstream WARNING in __queue_work (2) bluetooth -1 1 1878d 1874d 0/29 auto-closed as invalid on 2020/07/17 09:16
linux-4.19 WARNING in __queue_work -1 19 969d 1763d 0/1 auto-obsoleted due to no activity on 2023/03/12 16:28

Sample crash report:
Bluetooth: hci1 command 0x0c75 tx timeout
------------[ cut here ]------------
WARNING: CPU: 1 PID: 17097 at kernel/workqueue.c:1386 __queue_work+0xaaa/0xf70 kernel/workqueue.c:1386
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 17097 Comm: syz-executor.1 Not tainted 4.14.295-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
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:183
 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:__queue_work+0xaaa/0xf70 kernel/workqueue.c:1386
RSP: 0018:ffff88809ef17ab8 EFLAGS: 00010097
RAX: ffff88809d2f00c0 RBX: ffff88809d2f00c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88809c705d40 RDI: ffff88809d2f00e4
RBP: 0000000000000008 R08: ffffffff8b9cb380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a24966c0
R13: ffff8880a24966c0 R14: 0000000000000000 R15: ffff88809c705d40
 queue_work_on+0x159/0x1d0 kernel/workqueue.c:1491
 queue_work include/linux/workqueue.h:491 [inline]
 hci_sock_sendmsg+0x106b/0x1d00 net/bluetooth/hci_sock.c:1814
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 sock_write_iter+0x22c/0x370 net/socket.c:925
 call_write_iter include/linux/fs.h:1780 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x44c/0x630 fs/read_write.c:482
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f428a2d45a9
RSP: 002b:00007f4288c47168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f428a3f4f80 RCX: 00007f428a2d45a9
RDX: 0000000000000007 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f428a32f580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffca8ca64f R14: 00007f4288c47300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/10/17 12:29 linux-4.14.y 9d5c0b3a8e1a 67cb024c .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING in __queue_work
2022/09/07 18:26 linux-4.14.y 65640c873dcf c5b7bc57 .config console log report info [disk image] [vmlinux] ci2-linux-4-14 WARNING in __queue_work
2022/07/20 17:13 linux-4.14.y 424a46ea058e 88cb1383 .config console log report info ci2-linux-4-14 WARNING in __queue_work
2022/06/04 08:02 linux-4.14.y 501eec4f9e13 c8857892 .config console log report info ci2-linux-4-14 WARNING in __queue_work
2022/03/13 22:36 linux-4.14.y af48f51cb593 9e8eaa75 .config console log report info ci2-linux-4-14 WARNING in __queue_work
2022/02/26 19:46 linux-4.14.y fa33f9094f36 45a13a73 .config console log report info ci2-linux-4-14 WARNING in __queue_work
2022/01/28 09:00 linux-4.14.y bbb957e1bd4a 495e00c5 .config console log report info ci2-linux-4-14 WARNING in __queue_work
2021/12/07 06:42 linux-4.14.y 66722c42ec91 0230ba3e .config console log report info ci2-linux-4-14 WARNING in __queue_work
* Struck through repros no longer work on HEAD.