------------[ cut here ]------------
atomic_read(&dquot->dq_count)
WARNING: fs/quota/dquot.c:829 at quota_release_workfn+0x549/0x620 fs/quota/dquot.c:829, CPU#0: kworker/u8:15/10495
Modules linked in:
CPU: 0 UID: 0 PID: 10495 Comm: kworker/u8:15 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: quota_events_unbound quota_release_workfn
RIP: 0010:quota_release_workfn+0x549/0x620 fs/quota/dquot.c:829
Code: 37 9a e8 da f6 82 02 48 8b 5c 24 40 48 8d 44 24 40 48 39 c3 0f 84 89 00 00 00 e8 d2 81 5e ff e9 ef fb ff ff e8 c8 81 5e ff 90 <0f> 0b 90 e9 24 fc ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c f8
RSP: 0018:ffffc9000523fa80 EFLAGS: 00010293
RAX: ffffffff82680eb8 RBX: ffff888075eaa820 RCX: ffff888057073d00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000523fb30 R08: ffff888075eaa913 R09: 1ffff1100ebd5522
R10: dffffc0000000000 R11: ffffed100ebd5523 R12: 0000000000000020
R13: dffffc0000000000 R14: 0000000000000001 R15: 1ffff1100ebd5526
FS: 0000000000000000(0000) GS:ffff888125441000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f205c268000 CR3: 000000007612c000 CR4: 00000000003526f0
Call Trace:
<TASK>
process_one_work+0x9a5/0x1760 kernel/workqueue.c:3286
process_scheduled_works kernel/workqueue.c:3377 [inline]
worker_thread+0xb49/0x1140 kernel/workqueue.c:3458
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>