UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
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BUG: KASAN: null-ptr-deref in udf_write_fi+0x7db/0xba0 fs/udf/namei.c:126
Write of size 28 at addr 0000000000000000 by task syz-executor.3/9841

CPU: 1 PID: 9841 Comm: syz-executor.3 Not tainted 6.1.81-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_report+0xe6/0x4f0 mm/kasan/report.c:398
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189
 memcpy+0x3c/0x60 mm/kasan/shadow.c:66
 udf_write_fi+0x7db/0xba0 fs/udf/namei.c:126
 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:4876
 do_renameat2+0xde0/0x1440 fs/namei.c:5029
 __do_sys_rename fs/namei.c:5075 [inline]
 __se_sys_rename fs/namei.c:5073 [inline]
 __x64_sys_rename+0x82/0x90 fs/namei.c:5073
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f850007dda9
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:00007f8500d1f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f85001abf80 RCX: 00007f850007dda9
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000180
RBP: 00007f85000ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f85001abf80 R15: 00007ffd4d8ad8e8
 </TASK>
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