C++: Add 'isBarrierIn' to prevent path duplication.

2026-05-04 05:05:12 +02:00 · 2022-09-29 16:57:54 +01:00
parent d12a76559a
commit 2a514d60d4
2 changed files with 23 additions and 0 deletions
--- a/cpp/ql/src/experimental/Security/CWE/CWE-193/InvalidPointerDeref.ql
+++ b/cpp/ql/src/experimental/Security/CWE/CWE-193/InvalidPointerDeref.ql
@@ -132,6 +132,8 @@ class AllocToInvalidPointerConf extends ProductFlow::Configuration {
  override predicate isBarrierOut2(DataFlow::Node node) {
    node = any(DataFlow::SsaPhiNode phi).getAnInput(true)
  }
+
+  override predicate isBarrierIn1(DataFlow::Node node) { isSourcePair(node, _, _, _) }
 }

 pragma[nomagic]