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From mtaylor <...@git.apache.org>
Subject [GitHub] activemq-artemis pull request #583: ARTEMIS-570 Fix buffer size overflow Pro...
Date Fri, 17 Jun 2016 15:22:35 GMT
GitHub user mtaylor reopened a pull request:

    https://github.com/apache/activemq-artemis/pull/583

    ARTEMIS-570 Fix buffer size overflow ProtonHandler

    There is a race condition in the ProtonHandlerImpl.outputBuffer()
    method.  The method checks to see how many bytes (n) are pending in the
    underlying ProtonJ buffer, then creates a Netty buffer of size n.  It
    then writes the contents of the pending ProtonJ head.  However, ProtonJ
    can still write to it's internal buffer, meaning that it's buffer.size >
    n causing an illegalArgumentException.  This patch fixes it by only
    writing 'n' bytes to the Netty buffer.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/mtaylor/activemq-artemis Artemis-570

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/activemq-artemis/pull/583.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #583
    
----
commit cc979b9de05588c58180d360cedecbdda208a9ea
Author: Martyn Taylor <mtaylor@redhat.com>
Date:   2016-06-16T15:02:23Z

    ARTEMIS-570 Fix buffer size overflow ProtonHandler
    
    There is a race condition in the ProtonHandlerImpl.outputBuffer()
    method.  The method checks to see how many bytes (n) are pending in the
    underlying ProtonJ buffer, then creates a Netty buffer of size n.  It
    then writes the contents of the pending ProtonJ head.  However, ProtonJ
    can still write to it's internal buffer, meaning that it's buffer.size >
    n causing an illegalArgumentException.  This patch fixes it by only
    writing 'n' bytes to the Netty buffer.

----


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