WARNING in usb_stor_msg_common/usb_submit_urb

Status: upstream: reported C repro on 2025/12/22 11:12
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+4812ca3fcc494a040a9d@syzkaller.appspotmail.com
First crash: 276d, last: 12d
Fix bisection: failed (error log, bisect log)
  
Bug presence (1)
Date Name Commit Repro Result
2026/08/31 upstream (ToT) bf1079577a11 C [report] WARNING in usb_stor_msg_common/usb_submit_urb
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in usb_stor_msg_common/usb_submit_urb -1 22 12d 36d 3/3 fixed on 2026/09/14 13:08
linux-5.15 WARNING in usb_stor_msg_common/usb_submit_urb -1 syz, C 17 11d 33d 0/3 upstream: reported C repro on 2026/08/22 04:14
upstream WARNING in usb_stor_msg_common/usb_submit_urb prio:high usb usb-storage -1 syz, C error 3349 3d07h 634d 0/29 upstream: reported C repro on 2024/12/29 09:01

Sample crash report:
------------[ cut here ]------------
URB ffff888143b1d700 submitted while active
WARNING: CPU: 0 PID: 172 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf15/0x17a0 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 PID: 172 Comm: kworker/0:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events_freezable usb_stor_scan_dwork
RIP: 0010:usb_submit_urb+0xf15/0x17a0 drivers/usb/core/urb.c:379
Code: 6c 8b 44 89 fa e8 cb 83 1c 04 e9 74 fc ff ff e8 61 9c 1b fb c6 05 96 36 0b 08 01 48 c7 c7 80 17 6c 8b 48 89 de e8 0b 69 e5 fa <0f> 0b e9 63 f1 ff ff e8 3f 9c 1b fb eb 12 e8 38 9c 1b fb 41 bc 80
RSP: 0018:ffffc90002e47958 EFLAGS: 00010246
RAX: 96f6a35f3e340700 RBX: ffff888143b1d700 RCX: ffff88801b38bc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: dffffc0000000000 R08: ffff8880b8e28c53 R09: 1ffff110171c518a
R10: dffffc0000000000 R11: ffffed10171c518b R12: 0000000000000c00
R13: ffff88802a2c0f70 R14: ffff888143b1d708 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b3648d0320 CR3: 000000001b7c9000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 usb_stor_msg_common+0x2a3/0x500 drivers/usb/storage/transport.c:143
 usb_stor_control_msg drivers/usb/storage/transport.c:205 [inline]
 usb_stor_Bulk_max_lun+0x2fd/0x5b0 drivers/usb/storage/transport.c:1081
 usb_stor_scan_dwork+0xf4/0x260 drivers/usb/storage/usb.c:906
 process_one_work kernel/workqueue.c:2657 [inline]
 process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734
 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>

Crashes (22):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/28 04:12 linux-6.6.y 93e0c9521fa8 69a01293 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2025/12/22 11:11 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/12 00:39 linux-6.6.y 8b73de7da85f b6a5eeb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/11 22:52 linux-6.6.y 8b73de7da85f b6a5eeb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/11 22:46 linux-6.6.y 8b73de7da85f b6a5eeb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/11 22:39 linux-6.6.y 8b73de7da85f b6a5eeb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/11 05:10 linux-6.6.y 8b73de7da85f 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/11 05:07 linux-6.6.y 8b73de7da85f 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/10 04:45 linux-6.6.y 8b73de7da85f 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/10 04:45 linux-6.6.y 8b73de7da85f 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/10 03:10 linux-6.6.y 8b73de7da85f 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/10 03:10 linux-6.6.y 8b73de7da85f 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/10 03:03 linux-6.6.y 8b73de7da85f 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/10 03:00 linux-6.6.y 8b73de7da85f 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/09 13:04 linux-6.6.y 8b73de7da85f 8387c273 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/07 21:15 linux-6.6.y 8b73de7da85f 680aa3e1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/07 21:09 linux-6.6.y 8b73de7da85f 680aa3e1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/04 05:03 linux-6.6.y 8b73de7da85f 801f0966 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/09/04 05:02 linux-6.6.y 8b73de7da85f 801f0966 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/08/28 11:47 linux-6.6.y a4a971135a2f e2fa417d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/08/28 11:47 linux-6.6.y a4a971135a2f e2fa417d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
2026/08/27 18:53 linux-6.6.y 93e0c9521fa8 69a01293 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in usb_stor_msg_common/usb_submit_urb
* Struck through repros no longer work on HEAD.