------------[ cut here ]------------
WARNING: CPU: 0 PID: 7647 at fs/udf/udfdecl.h:127 udf_updated_lvid fs/udf/udfdecl.h:125 [inline]
WARNING: CPU: 0 PID: 7647 at fs/udf/udfdecl.h:127 udf_add_free_space fs/udf/balloc.c:137 [inline]
WARNING: CPU: 0 PID: 7647 at fs/udf/udfdecl.h:127 udf_table_new_block fs/udf/balloc.c:657 [inline]
WARNING: CPU: 0 PID: 7647 at fs/udf/udfdecl.h:127 udf_new_block+0x1807/0x1a20 fs/udf/balloc.c:734
Modules linked in:
CPU: 0 PID: 7647 Comm: syz.4.754 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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+0x1807/0x1a20 fs/udf/balloc.c:734
Code: cf fc ff ff e8 fa 85 9e fe 48 8b 7c 24 50 e8 90 e7 3d 07 45 31 ed 49 be 00 00 00 00 00 fc ff df e9 8f fd ff ff e8 d9 85 9e fe <0f> 0b e9 38 fc ff ff e8 cd 85 9e fe 0f 0b e9 2e ff ff ff 44 89 f1
RSP: 0018:ffffc9000dc7f600 EFLAGS: 00010283
RAX: ffffffff82e24ab7 RBX: 0000000074747474 RCX: 0000000000080000
RDX: ffffc90011dd7000 RSI: 000000000000086a RDI: 000000000000086b
RBP: ffffc9000dc7f830 R08: dffffc0000000000 R09: fffffbfff1c3eea6
R10: fffffbfff1c3eea6 R11: 1ffffffff1c3eea5 R12: ffff88802d4fa000
R13: 0000000000000038 R14: ffff88804f4f301f R15: dffffc0000000000
FS: 00007fe59d9d56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe59d9d4f98 CR3: 0000000079493000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
udf_new_inode+0x385/0xf00 fs/udf/ialloc.c:86
udf_create+0x21/0x140 fs/udf/namei.c:368
lookup_open fs/namei.c:3482 [inline]
open_last_lookups fs/namei.c:3550 [inline]
path_openat+0x1187/0x2e70 fs/namei.c:3780
do_filp_open+0x1c1/0x3c0 fs/namei.c:3810
do_sys_openat2+0x142/0x490 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x135/0x160 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe59f78eba9
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:00007fe59d9d5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe59f9d6090 RCX: 00007fe59f78eba9
RDX: 000000000000275a RSI: 0000200000000100 RDI: ffffffffffffff9c
RBP: 00007fe59f811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe59f9d6128 R14: 00007fe59f9d6090 R15: 00007ffc02751738
</TASK>