r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/cgroup.procs\x00', 0x0, 0x0)
r1 = socket$unix(0x1, 0x5, 0x0)
sendfile(r1, r0, 0x0, 0x28d0f538)
read(r0, &(0x7f0000000100)=""/37, 0x25)