UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000)
------------[ cut here ]------------
le32_to_cpu(aed->lengthAllocDescs) != epos->offset - sizeof(struct allocExtDesc)
WARNING: fs/udf/inode.c:2088 at __udf_add_aext+0x524/0x6d0 fs/udf/inode.c:2087, CPU#1: syz.9.1135/13605
Modules linked in:
CPU: 1 UID: 0 PID: 13605 Comm: syz.9.1135 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__udf_add_aext+0x524/0x6d0 fs/udf/inode.c:2087
Code: 62 dc fe 49 8b 3e 4c 89 e6 e8 68 5c 02 ff 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 2d 3a 72 fe 90 <0f> 0b 90 e9 14 fc ff ff e8 1f 3a 72 fe 90 0f 0b 90 e9 66 fd ff ff
RSP: 0018:ffffc90002ed7248 EFLAGS: 00010283
RAX: ffffffff83536833 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000e405000 RSI: 0000000000015c3a RDI: 0000000000015c3b
RBP: 1ffff920005daee5 R08: ffff88802773bc80 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 00000000000001d0
R13: 0000000000000000 R14: ffffc90002ed7720 R15: ffffc90002ed7728
FS:  00007fb300fe16c0(0000) GS:ffff888125560000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f46515960a0 CR3: 0000000079e66000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000008 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_setup_indirect_aext+0x609/0x800 fs/udf/inode.c:2050
 udf_add_aext fs/udf/inode.c:2140 [inline]
 udf_do_extend_file+0x8a5/0x11e0 fs/udf/inode.c:591
 inode_getblk fs/udf/inode.c:843 [inline]
 udf_map_block+0xfff/0x4330 fs/udf/inode.c:454
 __udf_get_block+0x52/0x250 fs/udf/inode.c:468
 __block_write_begin_int+0x6c6/0x1910 fs/buffer.c:2143
 block_write_begin+0x8d/0x120 fs/buffer.c:2254
 udf_write_begin+0x118/0x270 fs/udf/inode.c:262
 generic_perform_write+0x2e2/0x8f0 mm/filemap.c:4319
 udf_file_write_iter+0x2ca/0x6b0 fs/udf/file.c:112
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_pwrite64 fs/read_write.c:795 [inline]
 __do_sys_pwrite64 fs/read_write.c:803 [inline]
 __se_sys_pwrite64 fs/read_write.c:800 [inline]
 __x64_sys_pwrite64+0x199/0x230 fs/read_write.c:800
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb30019bf79
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:00007fb300fe1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fb300415fa0 RCX: 00007fb30019bf79
RDX: 0000000000000001 RSI: 0000200000000300 RDI: 000000000000000b
RBP: 00007fb3002327e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb300416038 R14: 00007fb300415fa0 R15: 00007ffe02e64088
 </TASK>