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WARNING in hci_cmd_timeout (2)

Status: upstream: reported syz repro on 2023/12/28 21:43
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+30e82be1301252ee6013@syzkaller.appspotmail.com
First crash: 527d, last: 4d11h
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2025/05/30 upstream (ToT) f66bc387efbe C [report] no output from test machine
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in hci_cmd_timeout 4 651d 817d 0/3 auto-obsoleted due to no activity on 2023/12/05 09:51

Sample crash report:
Bluetooth: hci1: command 0x0419 tx timeout
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5121 at kernel/workqueue.c:1453 __queue_work+0xde8/0x1054 kernel/workqueue.c:1453
Modules linked in:
CPU: 1 PID: 5121 Comm: kworker/1:17 Not tainted 5.15.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events hci_cmd_timeout
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __queue_work+0xde8/0x1054 kernel/workqueue.c:1453
lr : __queue_work+0xde8/0x1054 kernel/workqueue.c:1453
sp : ffff800020997a20
x29: ffff800020997a60 x28: ffff0001a112f100 x27: ffff0000d5d51000
x26: 0000000000000008 x25: dfff800000000000 x24: ffff0000d5d511c0
x23: 1fffe0001abaa238 x22: ffff0000cc7a1b48 x21: 1fffe000198f4369
x20: 00000000000b0012 x19: ffff0000fbef0b30 x18: 0000000000000001
x17: 0000000000000000 x16: ffff8000082bf2b8 x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000044120 x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff8000081e66b8
x8 : ffff0000cc7a1b40 x7 : 0000000000000000 x6 : 00000000000440d0
x5 : ffff8000209972d8 x4 : 0000000000000000 x3 : ffff8000081e57dc
x2 : ffff0000fbef0b30 x1 : 0000000000200000 x0 : 0000000000000000
Call trace:
 __queue_work+0xde8/0x1054 kernel/workqueue.c:1453
 queue_work_on+0xc4/0x17c kernel/workqueue.c:1559
 queue_work include/linux/workqueue.h:512 [inline]
 hci_cmd_timeout+0x194/0x200 net/bluetooth/hci_core.c:2788
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 66436
hardirqs last  enabled at (66435): [<ffff8000082f7654>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (66436): [<ffff8000081e57d0>] queue_work_on+0x7c/0x17c kernel/workqueue.c:1556
softirqs last  enabled at (66422): [<ffff80000fd69750>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (66420): [<ffff80000fd6971c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace c15c088bd3822eb6 ]---
Bluetooth: hci4: command 0x040f tx timeout
Bluetooth: hci3: command 0x0419 tx timeout

Crashes (102):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/31 18:01 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/10 05:24 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/06/04 09:30 linux-5.15.y 98f47d0e9b8c a30356b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/06/03 03:41 linux-5.15.y 98f47d0e9b8c a30356b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/06/02 15:57 linux-5.15.y 98f47d0e9b8c b396b4bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/26 12:27 linux-5.15.y 98f47d0e9b8c 2d4582d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/24 21:59 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/23 05:17 linux-5.15.y 98f47d0e9b8c fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/21 14:31 linux-5.15.y a68c15152131 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/19 14:25 linux-5.15.y a68c15152131 b84f0537 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/18 06:14 linux-5.15.y 3b8db0e4f263 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/10 23:13 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/06 15:44 linux-5.15.y 16fdf2c7111b ae98e6b9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/06 00:34 linux-5.15.y 16fdf2c7111b 6ca47dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/05/01 16:27 linux-5.15.y f7347f400572 51b137cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/04/26 09:00 linux-5.15.y f7347f400572 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/04/17 14:03 linux-5.15.y f7347f400572 229db4cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/03/30 06:22 linux-5.15.y 0c935c049b5c d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/03/27 05:43 linux-5.15.y 0c935c049b5c 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/03/18 17:15 linux-5.15.y 0c935c049b5c 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/03/14 11:53 linux-5.15.y 0c935c049b5c e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/03/12 22:28 linux-5.15.y c16c81c81336 1a5d9317 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/02/19 02:53 linux-5.15.y c16c81c81336 9a14138f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/02/14 17:32 linux-5.15.y c16c81c81336 1022af74 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/02/04 15:40 linux-5.15.y c16c81c81336 8f267cef .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/02/03 15:04 linux-5.15.y c16c81c81336 a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/01/31 20:28 linux-5.15.y 003148680b79 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/01/15 22:06 linux-5.15.y 4735586da88e 968edaf4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2025/01/04 22:08 linux-5.15.y 91786f140358 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/12/26 13:18 linux-5.15.y 91786f140358 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/12/16 13:20 linux-5.15.y 963e654022cc eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/12/14 23:34 linux-5.15.y 963e654022cc 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/12/12 04:50 linux-5.15.y 0a51d2d4527b 6f1b0fa8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/12/11 14:27 linux-5.15.y 0a51d2d4527b ff949d25 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/12/05 13:32 linux-5.15.y 0a51d2d4527b 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/12/04 23:59 linux-5.15.y 0a51d2d4527b b50eb251 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/11/28 13:29 linux-5.15.y 0a51d2d4527b 5df23865 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/11/20 16:42 linux-5.15.y 0a51d2d4527b 4fca1650 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/11/16 02:10 linux-5.15.y d98fd109f827 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/11/13 00:07 linux-5.15.y 3c17fc483905 62026c85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/10/28 21:05 linux-5.15.y 74cdd62cb470 9efb3cc7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/10/25 05:14 linux-5.15.y 74cdd62cb470 c79b8ca5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/10/19 01:08 linux-5.15.y 584a40a22cb9 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/10/17 19:46 linux-5.15.y 584a40a22cb9 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/10/07 07:08 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2024/09/29 05:54 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
2023/12/28 21:42 linux-5.15.y d93fa2c78854 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in hci_cmd_timeout
* Struck through repros no longer work on HEAD.