loop3: detected capacity change from 0 to 2048 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: error (device loop3): udf_verify_fi: directory (ino 1408) has entry at pos 40 with incorrect tag 0 ------------[ cut here ]------------ ret WARNING: fs/udf/namei.c:214 at udf_expand_dir_adinicb fs/udf/namei.c:214 [inline], CPU#1: syz.3.29/6029 WARNING: fs/udf/namei.c:214 at udf_fiiter_add_entry+0x1a78/0x20c0 fs/udf/namei.c:262, CPU#1: syz.3.29/6029 Modules linked in: CPU: 1 UID: 0 PID: 6029 Comm: syz.3.29 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:udf_expand_dir_adinicb fs/udf/namei.c:214 [inline] RIP: 0010:udf_fiiter_add_entry+0x1a78/0x20c0 fs/udf/namei.c:262 Code: 00 00 e8 cb 6b 7a fe 44 89 f1 41 d3 ec 41 01 dc 44 89 64 24 58 e9 ec fb ff ff e8 b3 6b 7a fe e9 be fe ff ff e8 a9 6b 7a fe 90 <0f> 0b 90 e9 b9 f8 ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 81 e6 ff ff RSP: 0018:ffffc9000447f360 EFLAGS: 00010287 RAX: ffffffff8349fa67 RBX: fffff5200088fe90 RCX: 0000000000080000 RDX: ffffc9000ec19000 RSI: 000000000000195b RDI: 000000000000195c RBP: ffffc9000447f770 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed100c1ce4c6 R12: f8f8f8f8f8f8f8f8 R13: ffff88805cf2a368 R14: 00000000ffffff8b R15: ffffc9000447f9c0 FS: 00007f1d9216e6c0(0000) GS:ffff88812643c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1d9214cff8 CR3: 000000001e3b6000 CR4: 00000000003526f0 Call Trace: udf_rename+0x7bf/0xdf0 fs/udf/namei.c:843 vfs_rename+0xa96/0xeb0 fs/namei.c:6026 filename_renameat2+0x539/0x9c0 fs/namei.c:6144 __do_sys_rename fs/namei.c:6188 [inline] __se_sys_rename+0x55/0x2c0 fs/namei.c:6184 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1d93f1c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1d9216e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f1d94195fa0 RCX: 00007f1d93f1c799 RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000200000000000 RBP: 00007f1d93fb2c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1d94196038 R14: 00007f1d94195fa0 R15: 00007ffc5b56ae78