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Posted to dev@qpid.apache.org by "Clifford Jansen (Jira)" <ji...@apache.org> on 2020/06/04 14:44:00 UTC
[jira] [Updated] (PROTON-2239) epoll proactor race condition on
connection teardown with heartbeats
[ https://issues.apache.org/jira/browse/PROTON-2239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Clifford Jansen updated PROTON-2239:
------------------------------------
Attachment: xxx.c
> epoll proactor race condition on connection teardown with heartbeats
> --------------------------------------------------------------------
>
> Key: PROTON-2239
> URL: https://issues.apache.org/jira/browse/PROTON-2239
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Affects Versions: proton-c-0.28.0
> Reporter: Clifford Jansen
> Assignee: Clifford Jansen
> Priority: Major
> Attachments: xxx.c
>
>
> If a connection with heartbeats is closed at about the same time to when its idle timeout timer fires, it is possible to have two threads believing they are the last activity on the connection. Both threads proceed to free the same resources leading to memory corruption and various crashes.
> The existing code has guards for this exact situation, but there is an Achilles heel somewhere.
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