syzbot


WARNING in dqput

Status: moderation: reported on 2024/10/01 08:09
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+67d4637a9e67cef12845@syzkaller.appspotmail.com
First crash: 76d, last: 13d

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5914 at fs/quota/dquot.c:878 dqput+0x359/0x490 fs/quota/dquot.c:878
Modules linked in:
CPU: 1 UID: 0 PID: 5914 Comm: kworker/1:5 Not tainted 6.12.0-syzkaller-10689-g7af08b57bcb9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events qsync_work_fn
RIP: 0010:dqput+0x359/0x490 fs/quota/dquot.c:878
Code: 37 5f ff eb 05 e8 67 37 5f ff 48 c7 c7 80 58 61 8e 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0d dc a5 09 e8 48 37 5f ff 90 <0f> 0b 90 e9 5b fe ff ff 48 c7 c1 6c 67 1e 90 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90004a0faf0 EFLAGS: 00010293
RAX: ffffffff8236aa88 RBX: ffff888071b1c000 RCX: ffff888030998000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 1ffff1100e363804 R08: ffffffff8236a7cc R09: 1ffff1100e363822
R10: dffffc0000000000 R11: ffffed100e363823 R12: 1ffff1100e363822
R13: dffffc0000000000 R14: ffff888071b1c110 R15: ffff888071b1c020
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f389a11b2a5 CR3: 000000000e738000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 dquot_scan_active+0x242/0x280 fs/quota/dquot.c:663
 qsync_work_fn+0xa9/0x150 fs/ocfs2/quota_global.c:658
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/29 16:17 upstream 7af08b57bcb9 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in dqput
2024/09/26 22:34 upstream 11a299a7933e 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in dqput
* Struck through repros no longer work on HEAD.