------------[ cut here ]------------
WARNING: CPU: 1 PID: 8268 at fs/udf/udfdecl.h:123 udf_updated_lvid fs/udf/udfdecl.h:121 [inline]
WARNING: CPU: 1 PID: 8268 at fs/udf/udfdecl.h:123 udf_add_free_space fs/udf/balloc.c:121 [inline]
WARNING: CPU: 1 PID: 8268 at fs/udf/udfdecl.h:123 udf_bitmap_prealloc_blocks fs/udf/balloc.c:233 [inline]
WARNING: CPU: 1 PID: 8268 at fs/udf/udfdecl.h:123 udf_prealloc_blocks+0xf08/0x1320 fs/udf/balloc.c:700
Modules linked in:
CPU: 1 PID: 8268 Comm: syz-executor.2 Not tainted 6.7.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:udf_updated_lvid fs/udf/udfdecl.h:121 [inline]
RIP: 0010:udf_add_free_space fs/udf/balloc.c:121 [inline]
RIP: 0010:udf_bitmap_prealloc_blocks fs/udf/balloc.c:233 [inline]
RIP: 0010:udf_prealloc_blocks+0xf08/0x1320 fs/udf/balloc.c:700
Code: 00 00 0f 85 19 04 00 00 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 43 a5 85 fe e9 4b f7 ff ff e8 39 a5 85 fe 90 <0f> 0b 90 e9 65 f8 ff ff e8 2b a5 85 fe 90 0f 0b 90 e9 c5 fe ff ff
RSP: 0018:ffffc90016a17180 EFLAGS: 00010283
RAX: ffffffff8308d507 RBX: 000000001216282c RCX: 0000000000040000
RDX: ffffc90013347000 RSI: 0000000000031cc7 RDI: 0000000000031cc8
RBP: ffffc90016a172f0 R08: ffffffff8308cd68 R09: 1ffff11008a9b603
R10: dffffc0000000000 R11: ffffed1008a9b604 R12: 0000000000000006
R13: dffffc0000000000 R14: ffff888044bff01c R15: ffff8880682c4630
FS:  00007f087cc4d6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020029000 CR3: 000000001c6a8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_prealloc_extents fs/udf/inode.c:1032 [inline]
 inode_getblk fs/udf/inode.c:890 [inline]
 udf_map_block+0x285d/0x5560 fs/udf/inode.c:444
 __udf_get_block+0x126/0x410 fs/udf/inode.c:458
 __block_write_begin_int+0x54d/0x1ad0 fs/buffer.c:2119
 __block_write_begin fs/buffer.c:2168 [inline]
 block_write_begin+0x9b/0x1e0 fs/buffer.c:2227
 udf_write_begin+0x10d/0x1a0 fs/udf/inode.c:261
 generic_perform_write+0x31b/0x630 mm/filemap.c:3918
 udf_file_write_iter+0x2fd/0x660 fs/udf/file.c:111
 call_write_iter include/linux/fs.h:2020 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x792/0xb20 fs/read_write.c:584
 ksys_write+0x1a0/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f087be7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f087cc4d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f087bf9c120 RCX: 00007f087be7cae9
RDX: 000000000208e24b RSI: 0000000020000300 RDI: 000000000000000a
RBP: 00007f087bec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f087bf9c120 R15: 00007ffefe2361b8
 </TASK>