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https://issues.apache.org/jira/browse/PROTON-2543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17545037#comment-17545037
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Clifford Jansen commented on PROTON-2543:
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Thank you for the update.
I will keep this open a bit longer and see if I can't get lucky on reproducing
it myself with a few tweaks to my existing soak tests.
If you can answer a subset of the questions I asked earlier, whatever is quick
and easy, that may help me zero in on the bug.
Thanks.
> Crash in epoll.c resched_pop_front
> ----------------------------------
>
> Key: PROTON-2543
> URL: https://issues.apache.org/jira/browse/PROTON-2543
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Reporter: Fredrik Hallenberg
> Assignee: Clifford Jansen
> Priority: Major
> Attachments: qpid-epoll-crash.patch
>
>
> During stress testing it is fairly easy to reproduce a segfault in
> resched_pop_front. Using gdb it is easy to see that polled_resched_front can
> be zero when entering this function which causes the value to wrap and then a
> crash in later calls.
> polled_resched_front is not checked when calling this function in one
> instance, the trivial fix to check this value is seen in the attached patch
> seems to work.
> Tested with Qpid Proton C++ 0.37.
>
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