Status: Accepted
Owner: [email protected]
Labels: Type-Defect Priority-Medium
New issue 258 by [email protected]: false negatives with throw/longjmp
http://code.google.com/p/address-sanitizer/issues/detail?id=258
currently, when throw or longjmp happens, we un-poison the entire thread's
stack to avoid false positives. As the result we may get false negatives
of this kind:
void foo() {
int stack[20];
ThrowAndCatch(); // un-poisons the entire stack
... stack[21] ... // Not detected
}
We should un-poison only the section of the stack between throw and catch.
(same for lonjmp/setjmp)
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