loop0: detected capacity change from 0 to 256 UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop0): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list loop0: detected capacity change from 256 to 0 Buffer I/O error on dev loop0, logical block 45, lost sync page write ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5327 at fs/buffer.c:1183 mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1183 Modules linked in: CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 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:1183 Code: 4c 89 f7 e8 d9 2a dd ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 e4 f1 fb ff e8 df f6 76 ff eb 8c e8 d8 f6 76 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ca f6 76 ff 90 0f 0b 90 e9 bf fd ff ff RSP: 0018:ffffc9000fd6fbb0 EFLAGS: 00010283 RAX: ffffffff82478eb8 RBX: ffff8880435a3828 RCX: 0000000000100000 RDX: ffffc9000dd32000 RSI: 00000000000007b4 RDI: 00000000000007b5 RBP: ffffc9000fd6fc01 R08: ffff8880435a382f R09: 1ffff110086b4705 R10: dffffc0000000000 R11: ffffed10086b4706 R12: ffff88804c547409 R13: ffff888011396640 R14: dffffc0000000000 R15: ffff8880435a3828 FS: 00007fbeff4c36c0(0000) GS:ffff88808d967000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbef24ff000 CR3: 0000000042376000 CR4: 0000000000352ef0 Call Trace: udf_open_lvid+0x363/0x5b0 fs/udf/super.c:2077 udf_reconfigure+0x336/0x540 fs/udf/super.c:678 reconfigure_super+0x224/0x890 fs/super.c:1077 do_remount fs/namespace.c:3264 [inline] path_mount+0xd18/0xfe0 fs/namespace.c:4057 do_mount fs/namespace.c:4078 [inline] __do_sys_mount fs/namespace.c:4278 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4255 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: 0033:0x7fbefe58eec9 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:00007fbeff4c3038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fbefe7e5fa0 RCX: 00007fbefe58eec9 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000000 RBP: 00007fbefe611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000c22 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fbefe7e6038 R14: 00007fbefe7e5fa0 R15: 00007ffc6d32daa8