------------[ cut here ]------------
WARNING: CPU: 0 PID: 5337 at fs/buffer.c:1189 mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1189
Modules linked in:
CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted 6.16.0-rc7-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:mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1189
Code: 4c 89 f7 e8 19 b3 dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 84 33 fc ff e8 5f 32 7a ff eb 8c e8 58 32 7a ff 90 <0f> 0b 90 e9 95 fd ff ff e8 4a 32 7a ff 90 0f 0b 90 e9 bf fd ff ff
RSP: 0018:ffffc9000d5e7bb0 EFLAGS: 00010293
RAX: ffffffff8245fea8 RBX: ffff888044d749f8 RCX: ffff88803f108000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc9000d5e7c01 R08: ffff888044d749ff R09: 1ffff110089ae93f
R10: dffffc0000000000 R11: ffffed10089ae940 R12: ffff88804d144009
R13: ffff888011e48640 R14: dffffc0000000000 R15: ffff888044d749f8
FS:  00007fbbb69256c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff2c0d909c0 CR3: 0000000011504000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 udf_open_lvid+0x363/0x5b0 fs/udf/super.c:2068
 udf_reconfigure+0x336/0x540 fs/udf/super.c:678
 reconfigure_super+0x224/0x890 fs/super.c:1077
 vfs_cmd_reconfigure fs/fsopen.c:262 [inline]
 vfs_fsconfig_locked+0x171/0x320 fs/fsopen.c:291
 __do_sys_fsconfig fs/fsopen.c:467 [inline]
 __se_sys_fsconfig+0x78e/0x8d0 fs/fsopen.c:344
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbbb5b8e9a9
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:00007fbbb6925038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007fbbb5db6080 RCX: 00007fbbb5b8e9a9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000008
RBP: 00007fbbb5c10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbbb5db6080 R15: 00007ffc568f3638
 </TASK>