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https://issues.apache.org/jira/browse/PROTON-2525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Stitcher resolved PROTON-2525.
-------------------------------------
    Fix Version/s: proton-c-0.38.0
         Assignee: Andrew Stitcher
       Resolution: Fixed

> Received link handles greater or equal to 2^31 cause proton-c to misbehave
> --------------------------------------------------------------------------
>
>                 Key: PROTON-2525
>                 URL: https://issues.apache.org/jira/browse/PROTON-2525
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>            Reporter: Andrew Stitcher
>            Assignee: Andrew Stitcher
>            Priority: Major
>             Fix For: proton-c-0.38.0
>
>
> Proton-c reserves link handles with the high bit set for its own purposes. 
> But if the peer AMQP implementation sends a handle with the high bit set the 
> attach is not rejected in any way, but we just misbehave!
> We can tell the peer that we won't accept handles larger than 0x7ffffff in 
> the begin frame, so that if we receive a handle larger than this we can 
> reject it with an error.



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