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https://issues.apache.org/jira/browse/TS-4629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15359326#comment-15359326
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ASF subversion and git services commented on TS-4629:
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Commit d30791bcbe3fa77b36a214d68e45a666e56eb271 in trafficserver's branch
refs/heads/master from [~amc]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=d30791b ]
TS-4629: Add now required braces to for loop.
> ServerSessionPool::purge can use an invalid iterator
> ----------------------------------------------------
>
> Key: TS-4629
> URL: https://issues.apache.org/jira/browse/TS-4629
> Project: Traffic Server
> Issue Type: Bug
> Components: Core
> Reporter: Alan M. Carroll
>
> {{purge}} calls {{do_io_close}} on the session via an iterator and
> {{do_io_close}} can cause the session to be de-allocated. Because the
> container links are intrusive this causes the iterator to be come invalid
> even though it hasn't been removed from the container.
> Also, in fixing this, I noticed {{IPHashTable::iterator}} didn't have a
> postfix increment operator, which I added because it's perfect for this
> application.
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