------------[ cut here ]------------
WARNING: CPU: 0 PID: 4259 at fs/udf/inode.c:2025 __udf_add_aext+0x54c/0x6f0
Modules linked in:

CPU: 1 PID: 4259 Comm: syz.3.190 Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__udf_add_aext+0x54c/0x6f0 fs/udf/inode.c:2024
Code: 4c 89 e7 e8 a6 f5 ef fe 49 8b 3c 24 4c 89 fe e8 fa 5b 0b ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 94 26 a6 fe <0f> 0b e9 ed fb ff ff e8 88 26 a6 fe 0f 0b e9 5c fc ff ff e8 7c 26
RSP: 0018:ffffc900030f7118 EFLAGS: 00010287
RAX: ffffffff82da34cc RBX: 1ffff9200061eee1 RCX: 0000000000040000
RDX: ffffc90005751000 RSI: 000000000000efea RDI: 000000000000efeb
RBP: 00000000000001e0 R08: ffffffff82da30b2 R09: ffffffff82da2fe2
R10: 0000000000000002 R11: ffff888073d19dc0 R12: ffffc900030f7700
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900030f7708
FS:  00007ffa1ad836c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbfb17d6178 CR3: 000000005d05a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_setup_indirect_aext+0x6bc/0x980 fs/udf/inode.c:1990
 udf_add_aext fs/udf/inode.c:2077 [inline]
 udf_do_extend_file+0x6df/0x1140 fs/udf/inode.c:562
 inode_getblk fs/udf/inode.c:798 [inline]
 udf_get_block+0x1727/0x5360 fs/udf/inode.c:448
 __block_write_begin_int+0x60b/0x1650 fs/buffer.c:2012
 __block_write_begin fs/buffer.c:2062 [inline]
 block_write_begin+0x4f/0xc0 fs/buffer.c:2122
 udf_write_begin+0x36/0x70 fs/udf/inode.c:212
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785
 __generic_file_write_iter+0x243/0x4f0 mm/filemap.c:3912
 udf_file_write_iter+0x28d/0x530 fs/udf/file.c:163
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xacf/0xe50 fs/read_write.c:594
 ksys_pwrite64 fs/read_write.c:701 [inline]
 __do_sys_pwrite64 fs/read_write.c:711 [inline]
 __se_sys_pwrite64 fs/read_write.c:708 [inline]
 __x64_sys_pwrite64+0x1a9/0x230 fs/read_write.c:708
 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: 0033:0x7ffa1c302bd9
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:00007ffa1ad83048 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007ffa1c490f60 RCX: 00007ffa1c302bd9
RDX: 0000000000000063 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 00007ffa1c371aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 000004010000bffd R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ffa1c490f60 R15: 00007ffe6dea2178
 </TASK>