syzbot


WARNING in wdm_rxwork/usb_submit_urb (2)

Status: upstream: reported C repro on 2024/02/12 18:51
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+c6a1953c27ace6cc34e5@syzkaller.appspotmail.com
First crash: 74d, last: 2d06h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [usb?] WARNING in wdm_rxwork/usb_submit_urb (2) 2 (6) 2024/04/26 11:52
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in wdm_rxwork/usb_submit_urb usb 3 195d 232d 0/26 auto-obsoleted due to no activity on 2024/01/22 20:49
Last patch testing requests (2)
Created Duration User Patch Repo Result
2024/04/26 10:26 15m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing OK log
2024/04/25 22:55 15m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing report log

Sample crash report:
------------[ cut here ]------------
URB ffff8881022a5e00 submitted while active
WARNING: CPU: 1 PID: 35 at drivers/usb/core/urb.c:379 usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 1 PID: 35 Comm: kworker/1:1 Not tainted 6.9.0-rc5-syzkaller-00104-ga160e1202ca3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events wdm_rxwork
RIP: 0010:usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379
Code: fe eb cb bb fe ff ff ff e9 c1 f3 ff ff e8 1e ea 2c fd c6 05 81 4e 68 05 01 90 48 c7 c7 60 a3 30 87 48 89 de e8 a7 1a f3 fc 90 <0f> 0b 90 90 e9 b6 fe ff ff bb f8 ff ff ff e9 91 f3 ff ff 48 89 ef
RSP: 0018:ffffc90000257c20 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff8881022a5e00 RCX: ffffffff811902c9
RDX: ffff888102efba00 RSI: ffffffff811902d6 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000293
R13: ffff88810abe8090 R14: ffff88810abe8050 R15: ffffffff899ade98
FS:  0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564d6da62000 CR3: 0000000115de4000 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+0x9a9/0x1ac0 kernel/workqueue.c:3254
 process_scheduled_works kernel/workqueue.c:3335 [inline]
 worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416
 kthread+0x2c1/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/25 04:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a160e1202ca3 8bdc0f22 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in wdm_rxwork/usb_submit_urb
2024/02/12 18:18 upstream 841c35169323 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in wdm_rxwork/usb_submit_urb
2024/04/25 03:50 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a160e1202ca3 8bdc0f22 .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.