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Posted to issues@commons.apache.org by "Gary D. Gregory (Jira)" <ji...@apache.org> on 2023/06/17 10:42:00 UTC
[jira] [Resolved] (BCEL-367) java.lang.IndexOutOfBoundsException thrown for an ATHROW instruction on empty stack
[ https://issues.apache.org/jira/browse/BCEL-367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gary D. Gregory resolved BCEL-367.
----------------------------------
Fix Version/s: 6.8.0
Resolution: Fixed
In git master
> java.lang.IndexOutOfBoundsException thrown for an ATHROW instruction on empty stack
> -----------------------------------------------------------------------------------
>
> Key: BCEL-367
> URL: https://issues.apache.org/jira/browse/BCEL-367
> Project: Commons BCEL
> Issue Type: Bug
> Components: Verifier
> Affects Versions: 6.7.0, 6.8.0
> Reporter: Katherine Hough
> Priority: Minor
> Fix For: 6.8.0
>
> Attachments: Test.class
>
>
> A java.lang.IndexOutOfBoundsException is thrown when performing verification pass 3B if the stack is empty before the ATHROW instruction. Expected outcome is for a verification failure to be reported.
> Output:
>
> {code:java}
> Apache Commons BCEL
> https://commons.apache.org/bcel
> Now verifying: Test
> Pass 1:
> VERIFIED_OK
> Passed verification.
> Pass 2:
> VERIFIED_OK
> Passed verification.
> Pass 3a, method number 0 ['static void x()']:
> VERIFIED_OK
> Passed verification.
> Exception in thread "main" org.apache.bcel.verifier.exc.AssertionViolatedException: INTERNAL ERROR: Some RuntimeException occurred while verify()ing class 'Test', method 'static void x()'. Original RuntimeException's stack trace:
> ---
> java.lang.IndexOutOfBoundsException: Index -1 out of bounds for length 0
> at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
> at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
> at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:266)
> at java.base/java.util.Objects.checkIndex(Objects.java:361)
> at java.base/java.util.ArrayList.get(ArrayList.java:427)
> at org.apache.bcel.verifier.structurals.OperandStack.peek(OperandStack.java:180)
> at org.apache.bcel.verifier.structurals.OperandStack.peek(OperandStack.java:172)
> at org.apache.bcel.verifier.structurals.InstConstraintVisitor.visitATHROW(InstConstraintVisitor.java:317)
> at org.apache.bcel.generic.ATHROW.accept(ATHROW.java:47)
> at org.apache.bcel.generic.InstructionHandle.accept(InstructionHandle.java:84)
> at org.apache.bcel.verifier.structurals.ControlFlowGraph$InstructionContextImpl.execute(ControlFlowGraph.java:198)
> at org.apache.bcel.verifier.structurals.Pass3bVerifier.circulationPump(Pass3bVerifier.java:164)
> at org.apache.bcel.verifier.structurals.Pass3bVerifier.do_verify(Pass3bVerifier.java:386)
> at org.apache.bcel.verifier.PassVerifier.verify(PassVerifier.java:98)
> at org.apache.bcel.verifier.Verifier.doPass3b(Verifier.java:166)
> at org.apache.bcel.verifier.Verifier.verifyType(Verifier.java:90)
> at org.apache.bcel.verifier.Verifier.main(Verifier.java:69)
> ---
> at org.apache.bcel.verifier.structurals.Pass3bVerifier.do_verify(Pass3bVerifier.java:398)
> at org.apache.bcel.verifier.PassVerifier.verify(PassVerifier.java:98)
> at org.apache.bcel.verifier.Verifier.doPass3b(Verifier.java:166)
> at org.apache.bcel.verifier.Verifier.verifyType(Verifier.java:90)
> at org.apache.bcel.verifier.Verifier.main(Verifier.java:69)
> Caused by: java.lang.IndexOutOfBoundsException: Index -1 out of bounds for length 0
> at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
> at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
> at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:266)
> at java.base/java.util.Objects.checkIndex(Objects.java:361)
> at java.base/java.util.ArrayList.get(ArrayList.java:427)
> at org.apache.bcel.verifier.structurals.OperandStack.peek(OperandStack.java:180)
> at org.apache.bcel.verifier.structurals.OperandStack.peek(OperandStack.java:172)
> at org.apache.bcel.verifier.structurals.InstConstraintVisitor.visitATHROW(InstConstraintVisitor.java:317)
> at org.apache.bcel.generic.ATHROW.accept(ATHROW.java:47)
> at org.apache.bcel.generic.InstructionHandle.accept(InstructionHandle.java:84)
> at org.apache.bcel.verifier.structurals.ControlFlowGraph$InstructionContextImpl.execute(ControlFlowGraph.java:198)
> at org.apache.bcel.verifier.structurals.Pass3bVerifier.circulationPump(Pass3bVerifier.java:164)
> at org.apache.bcel.verifier.structurals.Pass3bVerifier.do_verify(Pass3bVerifier.java:386)
> ... 4 more
> {code}
>
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