syzbot


WARNING in wdm_rxwork/usb_submit_urb

Status: auto-obsoleted due to no activity on 2024/01/22 20:49
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+44a9ac69913e0758fbc1@syzkaller.appspotmail.com
First crash: 176d, last: 135d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [usb?] WARNING in wdm_rxwork/usb_submit_urb 0 (1) 2023/09/07 18:06
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in wdm_rxwork/usb_submit_urb (2) usb 1 14d 14d 0/26 upstream: reported on 2024/02/12 18:51

Sample crash report:
------------[ cut here ]------------
URB ffff888117295f00 submitted while active
WARNING: CPU: 0 PID: 8 at drivers/usb/core/urb.c:379 usb_submit_urb+0x14cb/0x1720 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.6.0-rc4-syzkaller-00064-g1053c4a4b8fc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Workqueue: events wdm_rxwork
RIP: 0010:usb_submit_urb+0x14cb/0x1720 drivers/usb/core/urb.c:379
Code: 21 4b fe eb cb bb fe ff ff ff e9 ca f3 ff ff e8 eb fb 4b fd 48 89 de 48 c7 c7 20 f7 ee 86 c6 05 f5 8d 25 05 01 e8 85 aa 15 fd <0f> 0b e9 ba fe ff ff bb f8 ff ff ff e9 9e f3 ff ff 48 89 ef e8 2c
RSP: 0018:ffffc9000008fc38 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888117295f00 RCX: 0000000000000000
RDX: ffff888102a65700 RSI: ffffffff81172206 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000090428 R12: 0000000000000293
R13: ffff88811f224890 R14: ffff88811f224850 R15: ffff8881f663ad00
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f630935a000 CR3: 0000000140836000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 wdm_rxwork+0xf3/0x200 drivers/usb/class/cdc-wdm.c:989
 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
 kthread+0x33c/0x440 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/14 20:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 1053c4a4b8fc f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in wdm_rxwork/usb_submit_urb
2023/09/12 13:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in wdm_rxwork/usb_submit_urb
2023/09/03 17:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0468be89b3fa 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in wdm_rxwork/usb_submit_urb
* Struck through repros no longer work on HEAD.