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RRD files creation async : memory leak #661

ymettier opened this issue Jun 25, 2014 · 0 comments

RRD files creation async : memory leak #661

ymettier opened this issue Jun 25, 2014 · 0 comments
Bug A genuine bug


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ymettier commented Jun 25, 2014


I found a memory leak when you create RRD files with rrdcached plugin enabled with CreateFilesAsync true

LoadPlugin rrdcached
<Plugin rrdcached>
    CreateFiles true
    CreateFilesAsync true

Description of the bug

Source file : utils_rrdcreate.c

Function srrd_create_args_create() starts with a malloc() call :

  args = malloc (sizeof (*args));

Then, for all the life of the args variable, if something goes wrong, srrd_create_args_destroy (args) is called.

However, the args variable is never freed.

Suggestion for a fix

Replace all occurrence of

    srrd_create_args_destroy (args);


    srrd_create_args_destroy (args); free(args); args = NULL;

Patch / Pull Request
I'm not writing a patch/pull request for this easy fix because there is another problem with this code, best described in #640 with Pull Request attached.
I updated my PR #640 with the fix for this bug/memory leak.

@mfournier mfournier added the Bug label Jul 24, 2014
octo added a commit that referenced this issue Sep 2, 2014
Thanks to Yves Mettier for pointing this out!

Fixes: #661
octo referenced this issue in ymettier/collectd Sep 10, 2014
@octo octo closed this as completed Sep 11, 2014
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