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 <mtay...@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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