r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000440), 0x4840, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/cgroup.procs\x00', 0x0, 0x0)
ioctl$BLKPG(r0, 0x1269, &(0x7f0000000040))