CalebFenton / simplify

Android virtual machine and deobfuscator

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Simplify Fail to start Execution For Specific Apk

apkunpacker opened this issue · comments

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Simplify Version : 1.2.1
Os : Windows 7 x64
Jdk: 14
Jre: 1.8.192

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Step to reproduce error :

  1. Remove .zip from below apk
    2 . Put this apk in same directory as simplify
  2. Execute simplify with
    java -jar simplify.jar freedom1.8.4.apk
  3. Simplify crash just at startup

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Logs :

F:\Tool>java -jar simplify.jar freedom1.8.4.apk

Error occurred while disassembling class L?; - skipping class
org.jf.util.ExceptionWithContext: The last instruction in method L?;->()V is truncated
at org.jf.dexlib2.dexbacked.DexBackedMethodImplementation$1$1.readNextItem(DexBackedMethodImplementation.java:88)
at org.jf.dexlib2.dexbacked.DexBackedMethodImplementation$1$1.readNextItem(DexBackedMethodImplementation.java:76)
at org.jf.dexlib2.dexbacked.util.VariableSizeLookaheadIterator.computeNext(VariableSizeLookaheadIterator.java:60)
at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:145)
at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:140)
at com.google.common.collect.ImmutableCollection$Builder.addAll(ImmutableCollection.java:438)
at com.google.common.collect.ImmutableList$Builder.addAll(ImmutableList.java:788)
at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:274)
at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:229)
at org.jf.baksmali.Adaptors.MethodDefinition.(MethodDefinition.java:92)
at org.jf.baksmali.Adaptors.ClassDefinition.writeDirectMethods(ClassDefinition.java:280)
at org.jf.baksmali.Adaptors.ClassDefinition.writeTo(ClassDefinition.java:111)
at org.jf.baksmali.Baksmali.disassembleClass(Baksmali.java:152)
at org.jf.baksmali.Baksmali.access$000(Baksmali.java:46)
at org.jf.baksmali.Baksmali$1.call(Baksmali.java:76)
at org.jf.baksmali.Baksmali$1.call(Baksmali.java:74)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Error while processing method L?;->()V

F:\Tool>

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Expected Behavior :
Simplify should disassemble correctly and start optimizing
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freedom1.8.4.apk.zip

The issue is with dexlib. Fails with baksmali. Create an issue there.

$ baksmali dis ../freedom1.8.4.apk.zip

Error occurred while disassembling class Lё; - skipping class
org.jf.util.ExceptionWithContext: The last instruction in method Lё;-><init>()V is truncated
	at org.jf.dexlib2.dexbacked.DexBackedMethodImplementation$1$1.readNextItem(DexBackedMethodImplementation.java:99)
	at org.jf.dexlib2.dexbacked.DexBackedMethodImplementation$1$1.readNextItem(DexBackedMethodImplementation.java:87)
	at org.jf.dexlib2.dexbacked.util.VariableSizeLookaheadIterator.computeNext(VariableSizeLookaheadIterator.java:60)
	at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141)
	at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136)
	at com.google.common.collect.ImmutableCollection$Builder.addAll(ImmutableCollection.java:423)
	at com.google.common.collect.ImmutableList$Builder.addAll(ImmutableList.java:777)
	at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:260)
	at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:217)
	at org.jf.baksmali.Adaptors.MethodDefinition.<init>(MethodDefinition.java:92)
	at org.jf.baksmali.Adaptors.ClassDefinition.writeDirectMethods(ClassDefinition.java:281)
	at org.jf.baksmali.Adaptors.ClassDefinition.writeTo(ClassDefinition.java:112)
	at org.jf.baksmali.Baksmali.disassembleClass(Baksmali.java:152)
	at org.jf.baksmali.Baksmali.access$000(Baksmali.java:46)
	at org.jf.baksmali.Baksmali$1.call(Baksmali.java:76)
	at org.jf.baksmali.Baksmali$1.call(Baksmali.java:74)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Error while processing method Lё;-><init>()V```