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Stackoverflow in ParserType::hashCode #493

Closed
Tracked by #496
oxisto opened this issue Aug 3, 2021 · 0 comments · Fixed by #504
Closed
Tracked by #496

Stackoverflow in ParserType::hashCode #493

oxisto opened this issue Aug 3, 2021 · 0 comments · Fixed by #504

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@oxisto
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oxisto commented Aug 3, 2021

The concurrent frontends (#444) somehow managed to introduce a stack overflow into the Type's hashcode function.

Caused by: java.lang.StackOverflowError
	at java.base/java.util.Arrays.hashCode(Arrays.java:4685)
	at java.base/java.util.Objects.hash(Objects.java:146)
	at de.fraunhofer.aisec.cpg.graph.types.Type.hashCode(Type.java:357)
	at de.fraunhofer.aisec.cpg.graph.types.ObjectType.hashCode(ObjectType.java:189)
	at java.base/java.util.Arrays.hashCode(Arrays.java:4685)
	at java.base/java.util.Objects.hash(Objects.java:146)
	at de.fraunhofer.aisec.cpg.graph.types.PointerType.hashCode(PointerType.java:159)
	at java.base/java.util.Arrays.hashCode(Arrays.java:4685)
	at java.base/java.util.Objects.hash(Objects.java:146)
	at de.fraunhofer.aisec.cpg.graph.types.PointerType.hashCode(PointerType.java:159)
	at java.base/java.util.Arrays.hashCode(Arrays.java:4685)
	at java.base/java.util.Objects.hash(Objects.java:146)
	at de.fraunhofer.aisec.cpg.graph.types.PointerType.hashCode(PointerType.java:159)
	at java.base/java.util.Arrays.hashCode(Arrays.java:4685)
	at java.base/java.util.Objects.hash(Objects.java:146)
	at de.fraunhofer.aisec.cpg.graph.types.PointerType.hashCode(PointerType.java:159)
	at java.base/java.util.Arrays.hashCode(Arrays.java:4685)
	at java.base/java.util.Objects.hash(Objects.java:146)
	at de.fraunhofer.aisec.cpg.graph.types.PointerType.hashCode(PointerType.java:159)
	at java.base/java.util.Arrays.hashCode(Arrays.java:4685)
	at java.base/java.util.Objects.hash(Objects.java:146)
	at de.fraunhofer.aisec.cpg.graph.types.PointerType.hashCode(PointerType.java:159)
	at java.base/java.util.Arrays.hashCode(Arrays.java:4685)
	at java.base/java.util.Objects.hash(Objects.java:146)
	at de.fraunhofer.aisec.cpg.graph.types.PointerType.hashCode(PointerType.java:159)
	at java.base/java.util.Arrays.hashCode(Arrays.java:4685)
	at java.base/java.util.Objects.hash(Objects.java:146)
	at de.fraunhofer.aisec.cpg.graph.types.PointerType.hashCode(PointerType.java:159)

See https://github.com/Fraunhofer-AISEC/codyze/runs/3232025152?check_suite_focus=true
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Fixing type propagation behaviour between NewExpression and ConstructExpression Fraunhofer-AISEC/cpg
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@oxisto