[Asterisk-Dev] Memory leak in ast_expr.y

[Claude Klimos]

Hi all,
 
We have been experiencing memory usage increasing in Asterisk, sometimes
reaching over 150MB. After compiling Asterisk with the MALLOC_DEBUG
option, I was able to see that some memory was allocated and never freed
in the ast_expr.y. Note that the leak is obvious because I do an
extensive usage of variable in the dialplan (GotoIf). Basically, I
noticed that the free_value() function frees the contents of the
structure 'struct val', but does not free the structure as is. I did the
followng modification to ast_expr.y and the leak seems to go away. 
 
218,220d217
<
< if (vp)
< free (vp);
 
Any feedback?
 
Regards,
 
Claude Klimos
IT Director
Aheeva Technology
Tel.: 514-448-4905 #2210
 
 
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