syzbot

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WARNING: fs/quota/dquot.c:883 at dqput+0x341/0x470 fs/quota/dquot.c:883, CPU#1: kworker/1:2/824
Modules linked in:
CPU: 1 UID: 0 PID: 824 Comm: kworker/1:2 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events qsync_work_fn
RIP: 0010:dqput+0x341/0x470 fs/quota/dquot.c:883
Code: f2 6d ff eb 05 e8 5f f2 6d ff 48 c7 c7 40 ec 21 8d 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 85 cf 82 08 e8 40 f2 6d ff 90 <0f> 0b 90 e9 8d fe ff ff 48 c7 c1 8c 19 db 8e 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90003ee7970 EFLAGS: 00010293
RAX: ffffffff82528000 RBX: ffff88803ea06640 RCX: ffff888023d00000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1007d40cc9 R12: 1ffff11007d40cc8
R13: 1ffff11007d40ca4 R14: ffff88803ea06500 R15: ffff88803ea06520
FS:  0000000000000000(0000) GS:ffff888126e06000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f819ff8 CR3: 000000004bcca000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 dquot_scan_active+0x226/0x280 fs/quota/dquot.c:666
 qsync_work_fn+0xab/0x150 fs/ocfs2/quota_global.c:658
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>