Dominik Stadler created COMPRESS-598:
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Summary: NullPointerException in
ZipArchiveInputStream.getCompressedCount()
Key: COMPRESS-598
URL: https://issues.apache.org/jira/browse/COMPRESS-598
Project: Commons Compress
Issue Type: Bug
Components: Archivers
Affects Versions: 1.21
Reporter: Dominik Stadler
Attachments: Crash_f2efd9eaeb86cda597d07b5e3c3d81363633c2da.java,
crash-f2efd9eaeb86cda597d07b5e3c3d81363633c2da
While fuzzing Apache POI, I discovered a case which can trigger a
NullPointerException in ZipArchiveInputStream.getCompressedCount().
The attached test-application and file are a fairly minimal reproducing
testcase.
Put the java file into src/test/java and the file into /src/test/resources
Running it then produces the following:
{noformat}
Exception in thread "main" java.lang.NullPointerException
at
org.apache.commons.compress.archivers.zip.ZipArchiveInputStream.getCompressedCount(ZipArchiveInputStream.java:559)
at
Crash_f2efd9eaeb86cda597d07b5e3c3d81363633c2da.main(Crash_f2efd9eaeb86cda597d07b5e3c3d81363633c2da.java:26)
{noformat}
Happens with 1.21 as well as latest.
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