r0 = syz_open_dev$loop(&(0x7f0000000000), 0x2, 0x0)
stat(&(0x7f0000000000)='./cgroup/cgroup.procs\x00', &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, <r1=>0x0})
setreuid(0xffffffffffffffff, r1)
ioctl$LOOP_SET_STATUS(r0, 0x125d, 0x0)