Displaying 3 results from an estimated 3 matches for "8056b3cd".
2012 Nov 03
0
[LLVMdev] should asan catch tihs?
On Fri, Nov 2, 2012 at 6:27 PM, Rafael Espíndola
<rafael.espindola at gmail.com> wrote:
> I just tried asan on an optimized 32 bit build of
> -------------------------------------
> #include <stdint.h>
> __attribute__((noinline))
> void f(uint64_t *p) {
> *p = 42;
> }
> int main() {
> void *p;
> f((uint64_t*)&p);
> }
>
2012 Nov 03
3
[LLVMdev] should asan catch tihs?
I just tried asan on an optimized 32 bit build of
-------------------------------------
#include <stdint.h>
__attribute__((noinline))
void f(uint64_t *p) {
*p = 42;
}
int main() {
void *p;
f((uint64_t*)&p);
}
------------------------------------
and it correctly catches the invalid access. If I comment the
attribute, the optimizers find and exploit the undefined behavior and
2012 Nov 03
2
[LLVMdev] should asan catch tihs?
...> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
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