iopl(0xa9)
iopl(0x7)
prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000000))
iopl(0x0)
mknod$loop(&(0x7f0000000580)='./file0\x00', 0x0, 0x0)