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https://issues.apache.org/jira/browse/TS-4535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15330222#comment-15330222
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ASF GitHub Bot commented on TS-4535:
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GitHub user jacksontj opened a pull request:
https://github.com/apache/trafficserver/pull/714
TS-4535 fix segfault in hostdb for serve_stale_for with no hostname
Not all requests have host_name (such as reverse lookups) -- but we want to
serve stale but revalidate for all of them
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jacksontj/trafficserver TS-4535
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/trafficserver/pull/714.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #714
----
commit 26fad35524584a4cd9dc13c26b2a9b9f1c160abb
Author: Thomas Jackson <[email protected]>
Date: 2016-06-14T19:20:14Z
TS-4535 fix segfault in hostdb for serve_stale_for with no hostname
Not all requests have host_name (such as reverse lookups) -- but we want to
serve stale but revalidate for all of them
----
> segfault in hostdb for serve_stale_for with no hostname
> -------------------------------------------------------
>
> Key: TS-4535
> URL: https://issues.apache.org/jira/browse/TS-4535
> Project: Traffic Server
> Issue Type: Bug
> Components: HostDB
> Reporter: Thomas Jackson
> Assignee: Thomas Jackson
> Fix For: 7.0.0
>
>
> Before starting the background continuation to refresh the IP hostdb attempts
> to verify that the request is `!is_dotted_form_hostname`, in the reverse-dns
> case there is no hostname so the method segfaults. Regardless of format, if
> the record is expired and we are configured to serve stale while
> revalidating-- we should do just that.
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