get_mempolicy(0x0, &(0x7f0000000300), 0x8001, &(0x7f0000ffd000/0x3000)=nil, 0x0)
r0 = getpgrp(0x0)
r1 = pidfd_open(r0, 0x0)
readv(r1, 0x0, 0x0)