hardened_malloc/test/memcpy_read_overflow.c
Tavi 04af86fc9b
perform size checks on memcpy/memmove/memset
- memset is disabled for now as it causes hangs
- underlying functions were copied from isoalloc, licensed Apache-2.0
	- credit Chris Rohlf for memcpy/memset
	- credit David Carlier for memmove
- use the fast path as some programs crash otherwise

Signed-off-by: Tavi <tavi@divested.dev>
2025-03-22 03:59:56 -04:00

16 lines
341 B
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "test_util.h"
OPTNONE int main(void) {
char *firstbuffer = malloc(32);
char *secondbuffer = malloc(16);
if (!firstbuffer && !secondbuffer) {
return 1;
}
memset(secondbuffer, 'a', 16);
memcpy(firstbuffer, secondbuffer, 32);
return 1;
}