r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/devices.allow\x00', 0x0, 0x0)
io_setup(0x7f, &(0x7f0000000140)=<r1=>0x0)
io_submit(r1, 0x1, &(0x7f0000000940)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000200)='a', 0x1, 0x7ff}])