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https://issues.apache.org/jira/browse/TS-2191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13776660#comment-13776660
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ASF subversion and git services commented on TS-2191:
-----------------------------------------------------
Commit 338b6ef3040bbf7501c220ab1553077399b914a4 in branch refs/heads/4.0.x from
[~taorui]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=338b6ef ]
TS-2191 we should not simply reschdule the http_sm if the sm_list`s mutex
is not acquired, because the client_vc`s timeout events maybe triggered.
The race may lead http_sm received a event after it is deleted.
Sub task (TS-2192)
> when http_info enabled, the http_sm may be deleted but a event associated it
> not cancelled.
> --------------------------------------------------------------------------------------------
>
> Key: TS-2191
> URL: https://issues.apache.org/jira/browse/TS-2191
> Project: Traffic Server
> Issue Type: Bug
> Components: HTTP
> Reporter: weijin
> Assignee: weijin
> Fix For: 4.0.2, 4.1.0
>
> Attachments: TS-2191.wj.diff
>
>
> if the http_info enabled, when the sm_list`s lock not acquired but the
> client_vc`s timeout event triggered, the race may lead ts crash.
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