perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f00000013c0), 0xff888fca0f8af709, 0x0) syz_open_dev$vcsn(&(0x7f00000000c0), 0x6, 0x210840)