------------[ cut here ]------------
WARNING: CPU: 0 PID: 5727 at fs/udf/udfdecl.h:127 udf_updated_lvid fs/udf/udfdecl.h:125 [inline]
WARNING: CPU: 0 PID: 5727 at fs/udf/udfdecl.h:127 udf_add_free_space fs/udf/balloc.c:137 [inline]
WARNING: CPU: 0 PID: 5727 at fs/udf/udfdecl.h:127 udf_table_new_block fs/udf/balloc.c:657 [inline]
WARNING: CPU: 0 PID: 5727 at fs/udf/udfdecl.h:127 udf_new_block+0x184c/0x1a90 fs/udf/balloc.c:734
Modules linked in:
CPU: 0 PID: 5727 Comm: syz.5.352 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:udf_updated_lvid fs/udf/udfdecl.h:125 [inline]
RIP: 0010:udf_add_free_space fs/udf/balloc.c:137 [inline]
RIP: 0010:udf_table_new_block fs/udf/balloc.c:657 [inline]
RIP: 0010:udf_new_block+0x184c/0x1a90 fs/udf/balloc.c:734
Code: 15 fd ff ff e8 55 25 b2 fe 48 8b 7c 24 48 e8 8b 24 fe 06 45 31 ed 49 be 00 00 00 00 00 fc ff df e9 ac fd ff ff e8 34 25 b2 fe <0f> 0b e9 1f fc ff ff e8 28 25 b2 fe 0f 0b e9 40 ff ff ff 44 89 f1
RSP: 0018:ffffc9000346f8c0 EFLAGS: 00010287
RAX: ffffffff82c70f5c RBX: 0000000000007fff RCX: 0000000000080000
RDX: ffffc900042f4000 RSI: 00000000000008c8 RDI: 00000000000008c9
RBP: ffffc9000346faf0 R08: ffffffff8d89f02f R09: 1ffffffff1b13e05
R10: dffffc0000000000 R11: fffffbfff1b13e06 R12: ffff88801ef12000
R13: 0000000000000038 R14: ffff88805201501f R15: dffffc0000000000
FS:  00007f37d7af36c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000032c000 CR3: 0000000057795000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_new_inode+0x399/0xf00 fs/udf/ialloc.c:86
 udf_mkdir+0xcd/0x4a0 fs/udf/namei.c:429
 vfs_mkdir+0x387/0x570 fs/namei.c:4073
 do_mkdirat+0x1df/0x5b0 fs/namei.c:4098
 __do_sys_mkdir fs/namei.c:4118 [inline]
 __se_sys_mkdir fs/namei.c:4116 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4116
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f37d98badd9
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:00007f37d7af3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f37d9b34090 RCX: 00007f37d98badd9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000e40
RBP: 00007f37d9950d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f37d9b34128 R14: 00007f37d9b34090 R15: 00007ffcba66e0b8
 </TASK>