[clang] [analyzer] New optin.taint.TaintAlloc checker for catching unbounded memory allocation calls (PR #92420)

Balazs Benics via cfe-commits cfe-commits at lists.llvm.org
Thu May 30 02:56:50 PDT 2024


================
@@ -1730,6 +1721,21 @@ def UnixAPIPortabilityChecker : Checker<"UnixAPI">,
 
 } // end optin.portability
 
+
+//===----------------------------------------------------------------------===//
+// Taint checkers.
+//===----------------------------------------------------------------------===//
+
+let ParentPackage = TaintOptIn in {
+
+def TaintMallocChecker: Checker<"TaintMalloc">,
+  HelpText<"Check for memory allocations, where the size parameter "
+           "might be a tainted (attacker controlled) value.">,
+  Dependencies<[DynamicMemoryModeling]>,
----------------
steakhal wrote:

Why can't we make it a dependency now? (I don't have a strong opinion, I'm more just curious)

https://github.com/llvm/llvm-project/pull/92420


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