syzbot


BUG: workqueue leaked lock or atomic in blk_mq_requeue_work

Status: auto-closed as invalid on 2022/04/28 17:20
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+7b66771e7f5f85abc360@syzkaller.appspotmail.com
First crash: 790d, last: 790d

Sample crash report:
BUG: workqueue leaked lock or atomic: kworker/0:1H/0x00000000/67
     last function: blk_mq_requeue_work
INFO: lockdep is turned off.
CPU: 0 PID: 67 Comm: kworker/0:1H Not tainted 5.17.0-rc1-syzkaller-00186-g23a46422c561 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: kblockd blk_mq_requeue_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 process_one_work.cold+0xa2/0xba kernel/workqueue.c:2322
 worker_thread+0x657/0x1110 kernel/workqueue.c:2454
 kthread+0x2e9/0x3a0 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/01/28 17:19 upstream 23a46422c561 495e00c5 .config console log report info ci-qemu-upstream-386 BUG: workqueue leaked lock or atomic in blk_mq_requeue_work
* Struck through repros no longer work on HEAD.