r0 = semget$private(0x0, 0x1, 0x0)
newfstatat(0xffffffffffffff9c, 0x0, &(0x7f0000002640)={0x0, 0x0, 0x0, 0x0, <r1=>0x0}, 0x1100)
setuid(r1)
semop(r0, &(0x7f0000000000)=[{}], 0x1)