RSP: 002b:00007fff535995c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb382c85f07
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff53599680
RBP: 00007fff53599680 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff5359a750
R13: 00007fb382cf2515 R14: 000000000006c00f R15: 0000000000000028
---[ end trace 914eb026960e91c5 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/asm-generic/atomic-instrumented.h:250 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:423
Write of size 4 a