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C++: Refine nodeIsBarrierIn using getNodeForSource.

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This commit is contained in:
Geoffrey White
2020-02-24 14:39:31 +00:00
parent 843b72b11a
commit c641a31640
1 changed files with 1 additions and 1 deletions
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2
cpp/ql/src/semmle/code/cpp/ir/dataflow/DefaultTaintTracking.qll
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@@ -161,7 +161,7 @@ private predicate nodeIsBarrier(DataFlow::Node node) {
private predicate nodeIsBarrierIn(DataFlow::Node node) {
// don't use dataflow into taint sources, as this leads to duplicate results.
isUserInput(node.asExpr(), _)
node = getNodeForSource(any(Expr e))
}
private predicate instructionTaintStep(Instruction i1, Instruction i2) {