------------[ cut here ]------------
WARNING: CPU: 0 PID: 4765 at fs/udf/udfdecl.h:127 udf_add_free_space fs/udf/balloc.c:137 [inline]
WARNING: CPU: 0 PID: 4765 at fs/udf/udfdecl.h:127 udf_bitmap_new_block fs/udf/balloc.c:370 [inline]
WARNING: CPU: 0 PID: 4765 at fs/udf/udfdecl.h:127 udf_new_block+0x1e5f/0x21a0 fs/udf/balloc.c:730
Modules linked in:
CPU: 0 PID: 4765 Comm: syz.0.116 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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_bitmap_new_block fs/udf/balloc.c:370 [inline]
RIP: 0010:udf_new_block+0x1e5f/0x21a0 fs/udf/balloc.c:730
Code: 5e fc ff ff e9 61 fc ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 04 e3 ff ff 48 89 df e8 8b a9 e6 fe e9 f7 e2 ff ff e8 41 c1 9c fe <0f> 0b e9 05 ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 7c e3 ff
RSP: 0018:ffffc900034bf560 EFLAGS: 00010287
RAX: ffffffff82e3c44f RBX: 0000000074747474 RCX: 0000000000080000
RDX: ffffc9000ec6b000 RSI: 00000000000009d0 RDI: 00000000000009d1
RBP: ffffc900034bf7b0 R08: ffffffff82e3c34e R09: ffffed100c0352e9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880792c2678 R14: ffff88805f05401c R15: 0000000000000148
FS:  00007f79b2a4c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f700861fd58 CR3: 000000001fd11000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_new_inode+0x3a3/0xf10 fs/udf/ialloc.c:86
 udf_create+0x1f/0x140 fs/udf/namei.c:368
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x130a/0x2f20 fs/namei.c:3739
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1280
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f79b4c04169
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:00007f79b2a4c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f79b4e1d080 RCX: 00007f79b4c04169
RDX: 000000000000275a RSI: 0000400000000100 RDI: ffffffffffffff9c
RBP: 00007f79b4c852a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f79b4e1d080 R15: 00007ffe39be6cc8
 </TASK>