------------[ cut here ]------------ WARNING: CPU: 1 PID: 7681 at fs/quota/dquot.c:880 dqput+0x35e/0x490 fs/quota/dquot.c:880 Modules linked in: CPU: 1 UID: 0 PID: 7681 Comm: kworker/1:7 Not tainted 6.16.0-rc4-syzkaller-00319-g05df91921da6 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events qsync_work_fn RIP: 0010:dqput+0x35e/0x490 fs/quota/dquot.c:880 Code: 83 6c ff eb 05 e8 22 83 6c ff 48 c7 c7 40 69 e1 8d 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d8 d9 16 09 e8 03 83 6c ff 90 <0f> 0b 90 e9 70 fe ff ff 48 c7 c1 4c f0 a0 8f 80 e1 07 80 c1 03 38 RSP: 0018:ffffc900045ff9b0 EFLAGS: 00010293 RAX: ffffffff8253da7d RBX: ffff88805686cb10 RCX: ffff88802a8e5a00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: dffffc0000000000 R08: ffff88805686cb13 R09: 1ffff1100ad0d962 R10: dffffc0000000000 R11: ffffed100ad0d963 R12: 1ffff1100ad0d962 R13: 1ffff1100ad0d944 R14: ffff88805686ca00 R15: ffff88805686ca20 FS: 0000000000000000(0000) GS:ffff888125d50000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000002780 CR3: 0000000075d2c000 CR4: 00000000003526f0 Call Trace: dquot_scan_active+0x228/0x260 fs/quota/dquot.c:663 qsync_work_fn+0xab/0x150 fs/ocfs2/quota_global.c:658 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x711/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245