[Bug]: Sootup crashed when reading a JAR file.

[subramanya-shetty]

What happened?

Version: 1.3.0
Scenario: Trying to extract class, method and field-level details from a JAR file
Expected: Get relevant details (worked for most other JARs).
observed: Crash when reading a particular JAR file.

Interface.zip

Version

Latest develop branch

Relevant log output

SLF4J: No SLF4J providers were found.
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See https://www.slf4j.org/codes.html#noProviders for further details.
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 8
	at org.objectweb.asm.ClassReader.readUtf(ClassReader.java:3684)
	at org.objectweb.asm.ClassReader.readUTF8(ClassReader.java:3671)
	at org.objectweb.asm.ClassReader.accept(ClassReader.java:604)
	at org.objectweb.asm.ClassReader.accept(ClassReader.java:424)
	at sootup.java.bytecode.frontend.AsmUtil.initAsmClassSource(AsmUtil.java:76)
	at sootup.java.bytecode.frontend.AsmJavaClassProvider.createClassSource(AsmJavaClassProvider.java:62)
	at sootup.java.bytecode.inputlocation.PathBasedAnalysisInputLocation.lambda$walkDirectory$3(PathBasedAnalysisInputLocation.java:178)
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267)
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
	at sootup.java.bytecode.inputlocation.PathBasedAnalysisInputLocation.walkDirectory(PathBasedAnalysisInputLocation.java:182)
	at sootup.java.bytecode.inputlocation.ArchiveBasedAnalysisInputLocation.getClassSources(ArchiveBasedAnalysisInputLocation.java:115)
	at sootup.java.bytecode.inputlocation.JavaClassPathAnalysisInputLocation.getClassSources(JavaClassPathAnalysisInputLocation.java:182)
	at sootup.java.core.views.JavaView.lambda$getClasses$1(JavaView.java:94)
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267)
	at java.util.Collections$2.tryAdvance(Collections.java:4719)
	at java.util.Collections$2.forEachRemaining(Collections.java:4727)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
	at sootup.java.core.views.JavaView.getClasses(JavaView.java:98)
	at BenchmarkWithSootup.toRequiredFormat(BenchmarkWithSootup.java:106)
	at BenchmarkWithSootup.extractDataFromBytecode(BenchmarkWithSootup.java:574)
	at BenchmarkWithSootup.main(BenchmarkWithSootup.java:816)

Process finished with exit code 1

[swissiety]

Hi @subramanya-shetty ,
It seems the asm library failed to read a given .class file.. but maybe we are not feeding it a valid .class file.
Can you set a breakpoint before it fails and share the filename?