From: syzbot <syzbot+0a1363933fe7d9e120ee@syzkaller.appspotmail.com>
To: jlbec@evilplan.org, joseph.qi@linux.alibaba.com,
linux-kernel@vger.kernel.org, mark@fasheh.com,
ocfs2-devel@lists.linux.dev, syzkaller-bugs@googlegroups.com
Subject: [syzbot] [ocfs2?] INFO: trying to register non-static key in ocfs2_trim_fs (2)
Date: Wed, 22 Jul 2026 12:10:33 -0700 [thread overview]
Message-ID: <6a6115a9.036d4df3.243f95.0004.GAE@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 248951ddc14d Merge tag 'hwmon-for-v7.2-rc5' of git://git.k..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=171772b9580000
kernel config: https://syzkaller.appspot.com/x/.config?x=98da55a882774dfe
dashboard link: https://syzkaller.appspot.com/bug?extid=0a1363933fe7d9e120ee
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/2c64b346eb71/disk-248951dd.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c1a6ad8dc1de/vmlinux-248951dd.xz
kernel image: https://storage.googleapis.com/syzbot-assets/c34e79a35bcd/bzImage-248951dd.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+0a1363933fe7d9e120ee@syzkaller.appspotmail.com
ocfs2: Readonly device (7,7) detected. Cluster services will not be used for this mount. Recovery will be skipped.
ocfs2: Mounting device (7,7) on (node local, slot 65535) with ordered data mode.
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8273 Comm: syz.7.455 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
<TASK>
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984
register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299
__lock_acquire+0xab/0x2ce0 kernel/locking/lockdep.c:5112
lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868
__mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
ocfs2_trim_fs_lock_res_init+0x25/0xa0 fs/ocfs2/dlmglue.c:703
ocfs2_trim_fs+0x13c/0x24d0 fs/ocfs2/alloc.c:7692
ocfs2_ioctl+0x6c2/0x7e0 fs/ocfs2/ioctl.c:948
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f23c8d2de99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f23c6f86028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f23c8fb5fa0 RCX: 00007f23c8d2de99
RDX: 0000200000000080 RSI: 00000000c0185879 RDI: 0000000000000004
RBP: 00007f23c8dc3eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f23c8fb6038 R14: 00007f23c8fb5fa0 R15: 00007ffc521a25a8
</TASK>
(syz.7.455,8273,0):ocfs2_trim_fs:7699 ERROR: status = -30
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
reply other threads:[~2026-07-22 19:10 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=6a6115a9.036d4df3.243f95.0004.GAE@google.com \
--to=syzbot+0a1363933fe7d9e120ee@syzkaller.appspotmail.com \
--cc=jlbec@evilplan.org \
--cc=joseph.qi@linux.alibaba.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mark@fasheh.com \
--cc=ocfs2-devel@lists.linux.dev \
--cc=syzkaller-bugs@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.