syzbot


WARNING in quota_release_workfn

Status: moderation: reported on 2024/10/09 16:33
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+d5395e83299bdfb7ea75@syzkaller.appspotmail.com
First crash: 10d, last: 10d

Sample crash report:
(kworker/u8:8,2577,1):ocfs2_release_dquot:795 ERROR: status = -30
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2577 at fs/quota/dquot.c:825 quota_release_workfn+0x57b/0x650 fs/quota/dquot.c:825
Modules linked in:
CPU: 1 UID: 0 PID: 2577 Comm: kworker/u8:8 Not tainted 6.12.0-rc1-syzkaller-00306-g27cc6fdf7201 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound quota_release_workfn
RIP: 0010:quota_release_workfn+0x57b/0x650 fs/quota/dquot.c:825
Code: 28 00 74 08 4c 89 f7 e8 63 57 c9 ff 4c 8b 7c 24 60 4d 39 f7 0f 84 8b 00 00 00 e8 00 c9 62 ff e9 fb fb ff ff e8 f6 c8 62 ff 90 <0f> 0b 90 e9 2d fc ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 05 fc
RSP: 0018:ffffc90009ae7ae0 EFLAGS: 00010293
RAX: ffffffff82320d2a RBX: 0000000000000001 RCX: ffff88802df8bc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90009ae7bb0 R08: ffffffff82320953 R09: 1ffff1100bdbbc62
R10: dffffc0000000000 R11: ffffed100bdbbc63 R12: ffff88805edde330
R13: dffffc0000000000 R14: ffffc90009ae7b40 R15: ffff88805edde220
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557e479648 CR3: 0000000022f04000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/05 16:23 upstream 27cc6fdf7201 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in quota_release_workfn
* Struck through repros no longer work on HEAD.