------------[ cut here ]------------
WARNING: CPU: 0 PID: 5621 at fs/udf/inode.c:2013 __udf_add_aext+0x65c/0x7d0 fs/udf/inode.c:2013
Modules linked in:
CPU: 0 PID: 5621 Comm: syz-executor.1 Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__udf_add_aext+0x65c/0x7d0 fs/udf/inode.c:2013
Code: fa d0 a5 fe 4c 8b 6c 24 18 4c 89 ff 48 8b 44 24 20 49 29 c5 4c 89 ee e8 32 cd a5 fe 4d 39 ef 0f 84 b3 fb ff ff e8 d4 d0 a5 fe <0f> 0b e9 a7 fb ff ff e8 c8 d0 a5 fe 48 8b 44 24 20 48 05 b0 00 00
RSP: 0018:ffffc9000aec6f40 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffffc9000aec7298 RCX: ffffc90014cb8000
RDX: 0000000000040000 RSI: ffffffff82da4d2c RDI: 0000000000000006
RBP: ffff8880353c07c0 R08: 0000000000000006 R09: 0000000000000150
R10: ffffffffffffff68 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffffffffff68 R14: 0000000000000010 R15: 0000000000000150
FS:  00007f46a9a7e700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbb4a585058 CR3: 00000000462e7000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 udf_add_aext+0x23f/0x2e0 fs/udf/inode.c:2075
 udf_insert_aext fs/udf/inode.c:2236 [inline]
 udf_update_extents fs/udf/inode.c:1190 [inline]
 inode_getblk+0x22db/0x4010 fs/udf/inode.c:894
 udf_get_block.part.0+0x1c7/0x4e0 fs/udf/inode.c:443
 udf_get_block+0x3a/0x210 fs/udf/inode.c:425
 __block_write_begin_int+0x3bd/0x14b0 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0xb9/0x4d0 fs/buffer.c:2102
 udf_write_begin+0x35/0xa0 fs/udf/inode.c:212
 generic_perform_write+0x256/0x570 mm/filemap.c:3753
 __generic_file_write_iter+0x39c/0x4d0 mm/filemap.c:3849
 udf_file_write_iter+0x2d0/0x650 fs/udf/file.c:170
 call_write_iter include/linux/fs.h:2199 [inline]
 do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735
 do_iter_write+0x182/0x700 fs/read_write.c:861
 vfs_iter_write+0x74/0xa0 fs/read_write.c:902
 iter_file_splice_write+0x745/0xc90 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0x114/0x180 fs/splice.c:931
 splice_direct_to_actor+0x335/0x8a0 fs/splice.c:886
 do_splice_direct+0x1ab/0x280 fs/splice.c:974
 do_sendfile+0xb19/0x1270 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64 fs/read_write.c:1309 [inline]
 __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f46a8c8c0d9
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:00007f46a9a7e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f46a8dabf80 RCX: 00007f46a8c8c0d9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f46a8ce7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9eb3b3df R14: 00007f46a9a7e300 R15: 0000000000022000
 </TASK>