RBP: 00007fdc649d9120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fdc65776f80 R15: 00007ffc5780b0e8
 </TASK>
==================================================================
BUG: KASAN: null-ptr-deref in udf_write_fi+0x4fb/0xb70 fs/udf/namei.c:91
Write of size 18446744073709551572 at addr 0000000000000020 by task syz-executor.0/4054

CPU: 0 PID: 4054 Comm: syz-executor.0 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:438 [inline]
 kasan_report+0x161/0x1c0 mm/kasan/report.c:451
 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:189
 memset+0x1f/0x40 mm/kasan/shadow.c:44
 udf_write_fi+0x4fb/0xb70 fs/udf/namei.c:91
 udf_delete_entry fs/udf/namei.c:577 [inline]
 udf_rename+0x8b3/0x14d0 fs/udf/namei.c:1173
 vfs_rename+0xd32/0x10f0 fs/namei.c:4832
 do_renameat2+0xe0f/0x1700 fs/namei.c:4985
 __do_sys_renameat fs/namei.c:5025 [inline]
 __se_sys_renameat fs/namei.c:5022 [inline]
 __x64_sys_renameat+0xb8/0xd0 fs/namei.c:5022
 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: 0033:0x7fdc65657b29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdc649d90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000108
RAX: ffffffffffffffda RBX: 00007fdc65776f80 RCX: 00007fdc65657b29
RDX: 0000000000000004 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007fdc649d9120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fdc65776f80 R15: 00007ffc5780b0e8
 </TASK>
==================================================================