prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000140))
io_setup(0x8, &(0x7f0000000000)=<r0=>0x0)
io_getevents(r0, 0x0, 0x0, 0x0, 0x0)