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18 lines
454 B
18 lines
454 B
// use-after-free
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#include <stdlib.h>
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#include <stdio.h>
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#include <assert.h>
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int main() {
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int *ptr = (int *)malloc(sizeof(*ptr));
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assert(ptr != 0);
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*ptr = 42;
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printf("%d\n", *ptr);
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free(ptr);
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printf("%d\n", *ptr); // use after free
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// the following sometimes causes a SEGV in the interpreter because the store corrupts GC memory
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*ptr = 43; // use after free
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printf("%d\n", *ptr); // use after free
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return 0;
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}
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