------------[ cut here ]------------
WARNING: CPU: 0 PID: 5312 at fs/buffer.c:1186 mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1186
Modules linked in:
CPU: 0 UID: 0 PID: 5312 Comm: syz.0.0 Not tainted 6.15.0-rc5-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:1186
Code: 4c 89 f7 e8 79 0d de ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 c4 34 fc ff e8 cf 18 7c ff eb 8c e8 c8 18 7c ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ba 18 7c ff 90 0f 0b 90 e9 bf fd ff ff
RSP: 0018:ffffc9000ff0fbd0 EFLAGS: 00010293
RAX: ffffffff8243b788 RBX: ffff888044939740 RCX: ffff888000144880
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc9000ff0fc01 R08: ffff888044939747 R09: 1ffff110089272e8
R10: dffffc0000000000 R11: ffffed10089272e9 R12: ffff88804c79a009
R13: ffff888043082638 R14: dffffc0000000000 R15: ffff888044939740
FS:  00007ff7611366c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff761135fc8 CR3: 0000000042337000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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:1083
 do_remount fs/namespace.c:3368 [inline]
 path_mount+0xd18/0xfe0 fs/namespace.c:4203
 do_mount fs/namespace.c:4224 [inline]
 __do_sys_mount fs/namespace.c:4435 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4412
 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: 0033:0x7ff76039010a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007ff761135e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff761135ef0 RCX: 00007ff76039010a
RDX: 0000200000000180 RSI: 0000200000000100 RDI: 0000000000000000
RBP: 0000200000000180 R08: 00007ff761135ef0 R09: 0000000001e4047c
R10: 0000000001e4047c R11: 0000000000000246 R12: 0000200000000100
R13: 00007ff761135eb0 R14: 0000000000000000 R15: 0000200000000ec0
 </TASK>