perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = semget$private(0x0, 0x6, 0x0)
semctl$IPC_RMID(r0, 0x0, 0xb)
semget$private(0x0, 0x4000, 0x0)
unshare(0x48020200)