gfs2: fsid=syz:syz.0: G:  s:EX n:2/24a2 f:lyaqo t:EX d:EX/0 a:0 v:0 r:4 m:20 p:1
gfs2: fsid=syz:syz.0:  H: s:EX f:W e:0 p:6230 [syz.2.42] __mark_inode_dirty+0x3b0/0x13a0 fs/fs-writeback.c:2580
gfs2: fsid=syz:syz.0:  I: n:1/9378 t:8 f:0x00 d:0x00000000 s:16 p:1
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:674!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 57 Comm: kworker/0:1H Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: gfs2-glock/syz:syz glock_work_func
RIP: 0010:do_xmote+0x706/0x750 fs/gfs2/glock.c:674
Code: 38 c1 0f 8c a9 fe ff ff 48 89 df e8 94 42 27 fe e9 9c fe ff ff e8 fa f0 c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 1b e9 fe ff 90 <0f> 0b e8 e3 f0 c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 04 e9 fe ff
RSP: 0018:ffffc9000132f9e0 EFLAGS: 00010246
RAX: b9877bbb43276900 RBX: ffff888056e3c000 RCX: b9877bbb43276900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff8bb19620 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba6f0 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000015
FS:  0000000000000000(0000) GS:ffff888125ee2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce2ebe2000 CR3: 0000000029560000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 glock_work_func+0x2a8/0x580 fs/gfs2/glock.c:1002
 process_one_work+0x94a/0x15d0 kernel/workqueue.c:3267
 process_scheduled_works kernel/workqueue.c:3350 [inline]
 worker_thread+0x9b0/0xee0 kernel/workqueue.c:3431
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_xmote+0x706/0x750 fs/gfs2/glock.c:674
Code: 38 c1 0f 8c a9 fe ff ff 48 89 df e8 94 42 27 fe e9 9c fe ff ff e8 fa f0 c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 1b e9 fe ff 90 <0f> 0b e8 e3 f0 c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 04 e9 fe ff
RSP: 0018:ffffc9000132f9e0 EFLAGS: 00010246
RAX: b9877bbb43276900 RBX: ffff888056e3c000 RCX: b9877bbb43276900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff8bb19620 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba6f0 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000015
FS:  0000000000000000(0000) GS:ffff888125ee2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce2ebe2000 CR3: 0000000029560000 CR4: 00000000003526f0