Buffer I/O error on dev loop0, logical block 128, lost sync page write ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5318 at fs/buffer.c:1186 mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1186 Modules linked in: CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00021-gca91b9500108 #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 5f 18 7c ff eb 8c e8 58 18 7c ff 90 <0f> 0b 90 e9 95 fd ff ff e8 4a 18 7c ff 90 0f 0b 90 e9 bf fd ff ff RSP: 0018:ffffc9000d51fbd0 EFLAGS: 00010293 RAX: ffffffff8243a678 RBX: ffff888044958740 RCX: ffff88801f780000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc9000d51fc01 R08: ffff888044958747 R09: 1ffff1100892b0e8 R10: dffffc0000000000 R11: ffffed100892b0e9 R12: ffff88804c67b009 R13: ffff888042daa638 R14: dffffc0000000000 R15: ffff888044958740 FS: 00007f5bece956c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5be0003000 CR3: 000000003e190000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 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+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5bebf8e969 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:00007f5bece95038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007f5bec1b5fa0 RCX: 00007f5bebf8e969 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000009 RBP: 00007f5bec010ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5bec1b5fa0 R15: 00007ffe811be5a8