[PATCH] Reject multiplication by zero cases in MallocOverflowSecurityChecker

Aditya Kumar hiraditya at msn.com
Thu May 14 21:51:09 PDT 2015


There is a TODO: in line 84. From where I picked up.
// TODO: ignore multiplications by 1, reject if multiplied by 0.


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Comment at: lib/StaticAnalyzer/Checkers/MallocOverflowSecurityChecker.cpp:61
@@ +60,3 @@
+// Return true for redundant computations.
+static bool RedundantComputation(APSInt &Val, BinaryOperatorKind op) {
+  if (op == BO_Mul && Val == 0)
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zaks.anna wrote:
> This is not a redundant computation, a redundant computation would be 1*x.
Ok, I'll change the name of the function.

http://reviews.llvm.org/D9741

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