------------[ cut here ]------------ WARNING: CPU: 1 PID: 6113 at fs/udf/udfdecl.h:123 udf_updated_lvid fs/udf/udfdecl.h:121 [inline] WARNING: CPU: 1 PID: 6113 at fs/udf/udfdecl.h:123 udf_add_free_space fs/udf/balloc.c:133 [inline] WARNING: CPU: 1 PID: 6113 at fs/udf/udfdecl.h:123 udf_table_new_block fs/udf/balloc.c:665 [inline] WARNING: CPU: 1 PID: 6113 at fs/udf/udfdecl.h:123 udf_new_block+0x1830/0x1a70 fs/udf/balloc.c:742 Modules linked in: CPU: 1 PID: 6113 Comm: syz.0.38 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:udf_updated_lvid fs/udf/udfdecl.h:121 [inline] RIP: 0010:udf_add_free_space fs/udf/balloc.c:133 [inline] RIP: 0010:udf_table_new_block fs/udf/balloc.c:665 [inline] RIP: 0010:udf_new_block+0x1830/0x1a70 fs/udf/balloc.c:742 Code: fe 48 8b bc 24 80 00 00 00 e8 4c 7f 7b 07 45 31 ed 49 bf 00 00 00 00 00 fc ff df 48 8b 5c 24 50 e9 82 fd ff ff e8 50 92 90 fe <0f> 0b e9 a6 fc ff ff e8 44 92 90 fe 0f 0b e9 37 ff ff ff 44 89 f1 RSP: 0018:ffffc900055af600 EFLAGS: 00010283 RAX: ffffffff82f518b0 RBX: 0000000055555555 RCX: 0000000000080000 RDX: ffffc9000ecd0000 RSI: 0000000000002549 RDI: 000000000000254a RBP: ffffc900055af850 R08: ffffffff8e4a39ef R09: 1ffffffff1c9473d R10: dffffc0000000000 R11: fffffbfff1c9473e R12: ffff88802e894000 R13: 0000000000000038 R14: ffff88802489c01f R15: dffffc0000000000 FS: 00007f63aac4a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f63aac49f98 CR3: 000000005c25d000 CR4: 00000000003506e0 Call Trace: udf_new_inode+0x39a/0xd10 fs/udf/ialloc.c:67 udf_create+0x23/0xe0 fs/udf/namei.c:380 lookup_open fs/namei.c:3496 [inline] open_last_lookups fs/namei.c:3564 [inline] path_openat+0x1277/0x3190 fs/namei.c:3794 do_filp_open+0x1c5/0x3d0 fs/namei.c:3824 do_sys_openat2+0x12c/0x1c0 fs/open.c:1421 do_sys_open fs/open.c:1436 [inline] __do_sys_openat fs/open.c:1452 [inline] __se_sys_openat fs/open.c:1447 [inline] __x64_sys_openat+0x139/0x160 fs/open.c:1447 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f63a9d8f749 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:00007f63aac4a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f63a9fe6270 RCX: 00007f63a9d8f749 RDX: 000000000000275a RSI: 0000200000000840 RDI: ffffffffffffff9c RBP: 00007f63a9e13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f63a9fe6308 R14: 00007f63a9fe6270 R15: 00007ffc81b730f8