RBP: 00007ffc78456a50 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc78457b00 R13: 00007ff67c83164a R14: 0000000000083c4e R15: 00007ffc78457b40 ---[ end trace ba784903cd878f33 ]--- ================================================================== 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 at addr 0000000000000170 by task syz-executor/11844 CPU: 0 PID: 11844 Comm: syz-executor Tainted: G W 5.10.216-syzkaller-00510-ga4a2b7a82ee4 #0 Hardware name: Google Google Compute Engine/Google Compute E