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Allow write base to be inside an implicit dereference

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This commit is contained in:
Sauyon Lee
2020-03-27 05:33:24 -07:00
parent e9b0f88946
commit 314787956b
1 changed files with 4 additions and 1 deletions
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5
ql/src/semmle/go/controlflow/ControlFlowGraph.qll
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@@ -129,7 +129,10 @@ module ControlFlow {
/** Holds if this node sets the value of field `f` on `base` to `rhs`. */
predicate writesField(DataFlow::Node base, Field f, DataFlow::Node rhs) {
exists(IR::FieldTarget trg | trg = self.getLhs() |
trg.getBase() = base.asInstruction() and
(
trg.getBase() = base.asInstruction() or
trg.getBase() = MkImplicitDeref(base.asExpr())
) and
trg.getField() = f and
self.getRhs() = rhs.asInstruction()
)