r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/cgroup.procs\x00', 0x0, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
sendfile(r1, r0, &(0x7f0000000000)=0x7fff, 0x884)
close(r0)