loop0: detected capacity change from 0 to 32768
ocfs2: Readonly device (7,0) detected. Cluster services will not be used for this mount. Recovery will be skipped.
ocfs2: Mounting device (7,0) on (node local, slot 65535) with ordered data mode.
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 5315 at kernel/locking/mutex.c:580 __mutex_lock_common kernel/locking/mutex.c:580 [inline]
WARNING: CPU: 0 PID: 5315 at kernel/locking/mutex.c:580 __mutex_lock+0xd0a/0xe80 kernel/locking/mutex.c:746
Modules linked in:
CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:580 [inline]
RIP: 0010:__mutex_lock+0xd0a/0xe80 kernel/locking/mutex.c:746
Code: 0f b6 04 28 84 c0 0f 85 5b 01 00 00 83 3d f1 e2 27 04 00 75 19 90 48 c7 c7 c0 cc 6a 8b 48 c7 c6 60 cd 6a 8b e8 27 07 2d f6 90 <0f> 0b 90 90 90 e9 3b f4 ff ff 90 0f 0b 90 e9 f7 f7 ff ff 90 0f 0b
RSP: 0018:ffffc9000d54f780 EFLAGS: 00010246
RAX: ee06314538c2ca00 RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc9000e48a000 RSI: 000000000000095a RDI: 000000000000095b
RBP: ffffc9000d54f920 R08: ffff88801fe23e93 R09: 1ffff11003fc47d2
R10: dffffc0000000000 R11: ffffed1003fc47d3 R12: ffff888042e80df0
R13: dffffc0000000000 R14: ffff888042e80bf8 R15: 0000000000000000
FS:  00007f155e9166c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1551a0f000 CR3: 0000000042c8f000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_trim_fs_lock_res_init+0x33/0x1c0 fs/ocfs2/dlmglue.c:703
 ocfs2_trim_fs+0x129/0x2380 fs/ocfs2/alloc.c:7681
 ocfs2_ioctl+0x694/0x750 fs/ocfs2/ioctl.c:936
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f155db8e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f155e916038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f155ddb5fa0 RCX: 00007f155db8e969
RDX: 0000200000000080 RSI: 00000000c0185879 RDI: 0000000000000008
RBP: 00007f155dc10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f155ddb5fa0 R15: 00007ffff38db1a8
 </TASK>