WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000)
------------[ cut here ]------------
WARNING: fs/udf/inode.c:2088 at __udf_add_aext+0x524/0x6d0 fs/udf/inode.c:2087, CPU#0: syz.0.17/6044
Modules linked in:
CPU: 0 UID: 0 PID: 6044 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__udf_add_aext+0x524/0x6d0 fs/udf/inode.c:2087
Code: c4 e7 fe 49 8b 3e 4c 89 e6 e8 c8 f4 0b ff 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 ce 66 d0 fd cc e8 5d 75 81 fe 90 <0f> 0b 90 e9 14 fc ff ff e8 4f 75 81 fe 90 0f 0b 90 e9 66 fd ff ff
RSP: 0018:ffffc90003727248 EFLAGS: 00010293
RAX: ffffffff833fda43 RBX: dffffc0000000000 RCX: ffff888079a3bd00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001e0
RBP: 1ffff920006e4ee5 R08: ffff888079a3bd00 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000001e0
R13: 0000000000000000 R14: ffffc90003727720 R15: ffffc90003727728
FS:  000055555ec8a500(0000) GS:ffff888126087000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557c87927950 CR3: 0000000069f49000 CR4: 0000000000350ef0
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+0x870/0x1180 fs/udf/inode.c:591
 inode_getblk fs/udf/inode.c:843 [inline]
 udf_map_block+0xff2/0x45f0 fs/udf/inode.c:454
 __udf_get_block+0x52/0x250 fs/udf/inode.c:468
 __block_write_begin_int+0x6b5/0x1900 fs/buffer.c:2145
 block_write_begin+0x8a/0x120 fs/buffer.c:2256
 udf_write_begin+0x115/0x270 fs/udf/inode.c:262
 generic_perform_write+0x2c5/0x900 mm/filemap.c:4309
 udf_file_write_iter+0x2d5/0x6c0 fs/udf/file.c:111
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5c9/0xb30 fs/read_write.c:686
 ksys_pwrite64 fs/read_write.c:793 [inline]
 __do_sys_pwrite64 fs/read_write.c:801 [inline]
 __se_sys_pwrite64 fs/read_write.c:798 [inline]
 __x64_sys_pwrite64+0x193/0x220 fs/read_write.c:798
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a3f58f749
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:00007ffdfe057298 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f5a3f7e5fa0 RCX: 00007f5a3f58f749
RDX: 0000000000000001 RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007f5a3f613f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a3f7e5fa0 R14: 00007f5a3f7e5fa0 R15: 0000000000000004
 </TASK>