------------[ cut here ]------------ WARNING: CPU: 1 PID: 8249 at fs/udf/namei.c:214 udf_expand_dir_adinicb+0xbf6/0xf00 fs/udf/namei.c:214 Modules linked in: CPU: 1 UID: 0 PID: 8249 Comm: syz.1.701 Not tainted 6.16.0-rc1-syzkaller-gaef17cb3d3c4 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:udf_expand_dir_adinicb+0xbf6/0xf00 fs/udf/namei.c:214 Code: 01 00 00 00 e8 7b 1c fe ff 8b 5c 24 60 e9 aa f6 ff ff e8 2d 1f 7d fe 4c 89 ef e8 75 6a 08 ff e9 ac f8 ff ff e8 1b 1f 7d fe 90 <0f> 0b 90 e9 88 fe ff ff bb 8b ff ff ff e9 80 f6 ff ff bb f4 ff ff RSP: 0018:ffffc90004c1f400 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000ffffff8b RCX: ffffffff833efb6e RDX: ffff8880307f9e00 RSI: ffffffff833efce5 RDI: 0000000000000005 RBP: ffffc90004c1f680 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffff8b R11: 0000000000000001 R12: 00000000ffffff8b R13: ffff888057d94000 R14: 0000000000000000 R15: ffff888073eaa7c0 FS: 00007f21463fe6c0(0000) GS:ffff88812485b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff35349ff8 CR3: 0000000029492000 CR4: 0000000000350ef0 Call Trace: udf_fiiter_add_entry+0xcf0/0x10d0 fs/udf/namei.c:262 udf_rename+0x902/0xd90 fs/udf/namei.c:843 vfs_rename+0xf64/0x2250 fs/namei.c:5128 do_renameat2+0x82b/0xc90 fs/namei.c:5277 __do_sys_renameat2 fs/namei.c:5311 [inline] __se_sys_renameat2 fs/namei.c:5308 [inline] __x64_sys_renameat2+0xe7/0x130 fs/namei.c:5308 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f214558e969 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:00007f21463fe038 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f21457b5fa0 RCX: 00007f214558e969 RDX: 0000000000000004 RSI: 0000200000000080 RDI: ffffffffffffff9c RBP: 00007f2145610ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000980 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f21457b5fa0 R15: 00007ffd1bbbf728