[asterisk-bugs] [JIRA] (ASTERISK-22945) [patch] Memory leak in chan_sip.c with realtime autoclear

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-22945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=222760#comment-222760 ] 

Rusty Newton commented on ASTERISK-22945:
-----------------------------------------

[~ibercom] , as [~mjordan] said:

{quote}
You'd like some more input on your proposed patch, you may want to post it to review-board for further peer review
{quote}

Make sure to follow the [Code Review|https://wiki.asterisk.org/wiki/display/AST/Code+Review] process and get the patch on Reviewboard so others can help get this patch worked out. 

You might note on the review that the patch has been tested by the reporter on the issue I just linked - ASTERISK-23999

> [patch] Memory leak in chan_sip.c with realtime autoclear
> ---------------------------------------------------------
>
>                 Key: ASTERISK-22945
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22945
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 1.8.28.2, 11.6.0, 11.10.0
>            Reporter: ibercom
>         Attachments: asterisk11-chan_sip-simplifies.patch, asterisk11.patch, cli-command.txt, memory-allocations.gz
>
>
> I have 2 servers with SIP realtime config and asterisk 1.8 and 11 each one.
> Server 1.8 have about 2000 register peers without obvious problems.
> Server 11 have about 20 register peers and chan_sip.c is constantly leaking memory with each call to the other peers.
> The SIP realtime config is the same:
> rtcachefriends=yes
> rtsavesysname=yes
> rtupdate=yes
> rtautoclear=yes		<< I think than here is the problem
> ignoreregexpire=yes
> When Server 11 look for some peer (not register peer) in sippeers table, it works with this info. Another (+1) static (realtime?) object. When the registration expires, memory leak. You can look for the same peer after some time and asterisk allocates memory again and it isn't freed.
> I have attached cli-command.txt which shows the asterisk's state with only 112 calls processed.



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