mirror of
https://github.com/GrapheneOS/hardened_malloc.git
synced 2024-07-01 09:01:24 +00:00
20 lines
333 B
C
20 lines
333 B
C
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <malloc.h>
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__attribute__((optimize(0)))
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int main(void) {
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char *p = malloc(16);
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if (!p) {
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return 1;
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}
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size_t size = malloc_usable_size(p);
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memset(p, 'a', size);
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printf("overflow by %zu bytes\n", strlen(p) - size);
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return 0;
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}
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