r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/power/pm_test', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/cgroup.procs\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x3f)
close_range(r0, 0xffffffffffffffff, 0x0)