blob: c0ba09fdf216807e130cb555d1acc63cd48a24b1 [file] [log] [blame]
* Author: Jeff Moyer
* Description: Pass a non-writable context pointer to io_setup to see if
* the kernel deals with it correctly. In the past, the reference counting
* in this particular error path was off and this operation would cause an
* oops.
* This is a destructive test.
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <libgen.h>
#include <libaio.h>
main(int __attribute__((unused)) argc, char **argv)
void *addr;
addr = mmap(NULL, 4096, PROT_READ, MAP_SHARED|MAP_ANONYMOUS, 0, 0);
if (!addr) {
io_setup(1, addr /* un-writable pointer */);
printf("%s: Success!\n", basename(argv[0]));
return 0;