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#include <stdlib.h>
#include <sys/mman.h>
#include <stdio.h>
int main(void)
{
void *p;
// This is the biggest word-sized signed number. We use a signed number,
// even though malloc takes an unsigned SizeT, because the "silly malloc
// arg" checking done by memcheck treats the arg like a signed int in
// order to detect the passing of a silly size arg like -1.
unsigned long size = (~(0UL)) >> 1;
fprintf(stderr, "Attempting too-big malloc()...\n");
p = malloc(size); // way too big!
if (p)
fprintf(stderr, "huge malloc() succeeded??\n");
fprintf(stderr, "Attempting too-big mmap()...\n");
p = mmap( 0, size, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_ANON, -1, 0 );
if (-1 != (long)p)
fprintf(stderr, "huge mmap() succeeded??\n");
return 0;
}
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