------------[ cut here ]------------
WARNING: CPU: 0 PID: 16133 at fs/udf/inode.c:2050 __udf_add_aext+0x550/0x6f0
Modules linked in:
CPU: 0 PID: 16133 Comm: syz-executor.0 Not tainted 6.4.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:__udf_add_aext+0x550/0x6f0 fs/udf/inode.c:2049
Code: 4c 89 e7 e8 c2 d8 e3 fe 49 8b 3c 24 4c 89 fe e8 a6 c4 03 ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 a0 03 8c fe <0f> 0b e9 ed fb ff ff e8 94 03 8c fe 0f 0b e9 5c fc ff ff e8 88 03
RSP: 0018:ffffc9000335ec38 EFLAGS: 00010246
RAX: ffffffff82ff7b90 RBX: 1ffff9200066bdd1 RCX: 0000000000040000
RDX: ffffc9000b993000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff82ff7776 R09: ffffffff82ff76a6
R10: 0000000000000002 R11: ffff88801f775940 R12: ffffc9000335ee80
R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000335ee88
FS:  00007fc9ce503700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa888c3f000 CR3: 0000000077351000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_add_aext fs/udf/inode.c:2107 [inline]
 udf_insert_aext fs/udf/inode.c:2269 [inline]
 udf_update_extents fs/udf/inode.c:1189 [inline]
 inode_getblk fs/udf/inode.c:904 [inline]
 udf_map_block+0x3bce/0x4ff0 fs/udf/inode.c:450
 __udf_get_block+0x126/0x410 fs/udf/inode.c:464
 __block_write_begin_int+0x548/0x1a50 fs/buffer.c:2064
 __block_write_begin fs/buffer.c:2114 [inline]
 block_write_begin+0x9c/0x1f0 fs/buffer.c:2175
 udf_write_begin+0x10a/0x190 fs/udf/inode.c:265
 generic_perform_write+0x300/0x5e0 mm/filemap.c:3923
 __generic_file_write_iter+0x17a/0x400 mm/filemap.c:4051
 udf_file_write_iter+0x2fc/0x660 fs/udf/file.c:115
 do_iter_write+0x7b1/0xcb0 fs/read_write.c:860
 iter_file_splice_write+0x843/0xfe0 fs/splice.c:795
 do_splice_from fs/splice.c:873 [inline]
 direct_splice_actor+0xe7/0x1c0 fs/splice.c:1039
 splice_direct_to_actor+0x4c4/0xbd0 fs/splice.c:994
 do_splice_direct+0x283/0x3d0 fs/splice.c:1082
 do_sendfile+0x620/0xff0 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc9cd88c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc9ce503168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fc9cd9abf80 RCX: 00007fc9cd88c169
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007fc9cd8e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc73def2cf R14: 00007fc9ce503300 R15: 0000000000022000
 </TASK>