Andrii Hudz created COMPRESS-628:
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Summary: OutOfMemoryError on pack200
NewAttributeBands.readNextUnionCase
Key: COMPRESS-628
URL: https://issues.apache.org/jira/browse/COMPRESS-628
Project: Commons Compress
Issue Type: Bug
Components: Archivers
Affects Versions: 1.21
Environment: ubuntu18, java-11-openjdk-amd64
Reporter: Andrii Hudz
Similar to https://issues.apache.org/jira/browse/COMPRESS-626
pack200.NewAttributeBands.readNextUnionCase can result in an infinite loop that
finally leads to an out of memory error.
{code:java}
import org.apache.commons.compress.harmony.pack200.*;
public class ApacheCompress_1_22_90a4d8b3_OutOfMemory {
public static void main(String[] args) throws Exception {
CPUTF8 name = new CPUTF8("");
CPUTF8 layout = new CPUTF8("Re\\T");
new NewAttributeBands(1, null, null,
new AttributeDefinitionBands.AttributeDefinition(35,
AttributeDefinitionBands.CONTEXT_CLASS, name, layout)
);
}
}
{code}
exception on 1.22 snapshot commit(90a4d8b3)
{code:java}
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space: failed
reallocation of scalar replaced objects {code}
exception on 1.21
{code:java}
java.lang.OutOfMemoryError: Java heap space
at java.base/java.util.Arrays.copyOf(Arrays.java:3745)
at
java.base/java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:172)
at
java.base/java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:748)
at java.base/java.lang.StringBuffer.append(StringBuffer.java:429)
at
org.apache.commons.compress.harmony.pack200.NewAttributeBands.getStreamUpToMatchingBracket(NewAttributeBands.java:822)
at
org.apache.commons.compress.harmony.pack200.NewAttributeBands.readNextUnionCase(NewAttributeBands.java:304)
at
org.apache.commons.compress.harmony.pack200.NewAttributeBands.readNextLayoutElement(NewAttributeBands.java:237)
at
org.apache.commons.compress.harmony.pack200.NewAttributeBands.readNextAttributeElement(NewAttributeBands.java:184)
at
org.apache.commons.compress.harmony.pack200.NewAttributeBands.parseLayout(NewAttributeBands.java:95)
at
org.apache.commons.compress.harmony.pack200.NewAttributeBands.<init>(NewAttributeBands.java:53)
at
ApacheCompress_1_22_90a4d8b3_OutOfMemory.main(ApacheCompress_1_22_90a4d8b3_OutOfMemory.java:7)
{code}
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