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From "Jeremy Gustie (JIRA)" <>
Subject [jira] [Commented] (COMPRESS-355) Parsing PAX headers fails with NegativeArraySizeException
Date Thu, 19 May 2016 16:39:12 GMT


Jeremy Gustie commented on COMPRESS-355:

I can confirm the fix [here|]
works (alas, no tests).

> Parsing PAX headers fails with NegativeArraySizeException
> ---------------------------------------------------------
>                 Key: COMPRESS-355
>                 URL:
>             Project: Commons Compress
>          Issue Type: Bug
>          Components: Archivers
>    Affects Versions: 1.11
>            Reporter: Jeremy Gustie
> The {{TarArchiveInputStream.parsePaxHeaders}} method fails with a {{NegativeArraySizeException}}
when there is an empty line at the end of the headers.
> The inner loop starts reading the length, but it gets a newline (10) and ends up subtracting
'0' (48) from it; the result is a negative length that blows up an attempt to allocate the
{{rest}} array.
> I would say that a check to see if {{ch}} is less the '0' and break the loop if it is.
> I used {{npm pack aws-sdk@2.2.16}} to generate a tarball with this issue.

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