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https://issues.apache.org/jira/browse/TS-3949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14909612#comment-14909612
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ASF subversion and git services commented on TS-3949:
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Commit ae9a343a9ba861240d938c3c47391e3de5011a25 in trafficserver's branch
refs/heads/master from [~sudheerv]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=ae9a343 ]
[TS-3949] Prevent active timeout event from firing
after PluginVC is closed.
> Active timeout event on PluginVC may fire after it's already closed.
> --------------------------------------------------------------------
>
> Key: TS-3949
> URL: https://issues.apache.org/jira/browse/TS-3949
> Project: Traffic Server
> Issue Type: Bug
> Components: Core, Plugins
> Reporter: Sudheer Vinukonda
>
> When a plugin sets TS_EVENT_VCONN_ACTIVE_TIMEOUT on Plugin VC, it looks like,
> in some race conditions, the active timer event could still get fired after
> the Plugin VC is already closed, leading INKContInternal::handle_event to
> assert a use-after-free.
> Note: The plugin VC's process_close does cancel the active timeout event, so,
> this doesn't happen every time. It might happen in some race conditions or
> when the timeout and close are on different threads (?)..
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