r0 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./cgroup.cpu/cpuset.cpus\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000340)=[{&(0x7f00000001c0)=""/24, 0x18}], 0x1)