r0 = openat$sr(0xffffffffffffff9c, &(0x7f00000035c0), 0xe8b02, 0x0)
stat(&(0x7f0000000200)='./cgroup/cgroup.procs\x00', &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, <r1=>0x0})
setreuid(0xffffffffffffffff, r1)
ioctl$SG_IO(r0, 0x40081271, 0x0)