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Merged revisions 328664 via svnmerge from 

https://origsvn.digium.com/svn/asterisk/branches/1.10

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  r328664 | markm | 2011-07-18 16:50:13 -0400 (Mon, 18 Jul 2011) | 15 lines
  
  Merged revisions 328663 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.8
  
  ........
    r328663 | markm | 2011-07-18 16:47:04 -0400 (Mon, 18 Jul 2011) | 9 lines
    
    app_dial may double free a channel datastore
    
    When starting a call with originate, and having the callee channel run Bridge() on pickup, we will double free the dialed_interface_info datastore, causing a crash.  Make sure to check if the datastore still exists before trying to free it.
    
    (closes issue ASTERISK-17917)
    Reported by: Mark Murawski
    Tested by: Mark Murawski
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git-svn-id: http://svn.digium.com/svn/asterisk/trunk@328665 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
markm 2011-07-18 20:51:47 +00:00
parent 36b69d0c2c
commit 8084274bec
1 changed files with 2 additions and 1 deletions
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3
apps/app_dial.c
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@ -2409,7 +2409,8 @@ static int dial_exec_full(struct ast_channel *chan, const char *data, struct ast
* datastore again, causing a crash
*/
ast_channel_lock(chan);
if (!ast_channel_datastore_remove(chan, datastore)) {
datastore = ast_channel_datastore_find(chan, &dialed_interface_info, NULL); /* make sure we weren't cleaned up already */
if (datastore && !ast_channel_datastore_remove(chan, datastore)) {
ast_datastore_free(datastore);
}
ast_channel_unlock(chan);