------------[ cut here ]------------
WARNING: CPU: 1 PID: 4002 at fs/udf/inode.c:2025 __udf_add_aext+0x54c/0x6f0
Modules linked in:
CPU: 1 PID: 4002 Comm: syz.4.42 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__udf_add_aext+0x54c/0x6f0 fs/udf/inode.c:2024
Code: 4c 89 e7 e8 a6 a6 ef fe 49 8b 3c 24 4c 89 fe e8 9a 15 0b ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 64 dc a5 fe <0f> 0b e9 ed fb ff ff e8 58 dc a5 fe 0f 0b e9 5c fc ff ff e8 4c dc
RSP: 0018:ffffc90003637138 EFLAGS: 00010246
RAX: ffffffff82da7e0c RBX: 1ffff920006c6eb9 RCX: 0000000000040000
RDX: ffffc9000a2d1000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff82da79f2 R09: ffffffff82da7922
R10: 0000000000000002 R11: ffff88801ee8bb80 R12: ffffc900036375c0
R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc900036375c8
FS:  00007f3f582cc6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8cb42d3060 CR3: 00000000745a2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_add_aext fs/udf/inode.c:2082 [inline]
 udf_do_extend_file+0x71e/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
 do_iter_readv_writev+0x594/0x7a0
 do_iter_write+0x1e6/0x760 fs/read_write.c:855
 vfs_writev fs/read_write.c:928 [inline]
 do_pwritev+0x219/0x360 fs/read_write.c:1025
 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: 0033:0x7f3f59e53ef9
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:00007f3f582cc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f3f5a00bf80 RCX: 00007f3f59e53ef9
RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000006
RBP: 00007f3f59ec6b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000005405 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3f5a00bf80 R15: 00007ffd90749398
 </TASK>