[asterisk-dev] [Code Review] 4138: main/app.c, app_voicemail: Fix ast_writestream leaks

Corey Farrell reviewboard at asterisk.org
Fri Oct 31 12:03:29 CDT 2014



> On Oct. 31, 2014, 12:58 p.m., Mark Michelson wrote:
> > /branches/1.8/apps/app_voicemail.c, line 5800
> > <https://reviewboard.asterisk.org/r/4138/diff/1/?file=68670#file68670line5800>
> >
> >     My assumption here is that you initially created this patch for 11, 12, or 13, and then backported to 1.8. This line doesn't fit in 1.8 because recording_fs does not exist there. The problem is, I don't know where in the 11+ code this ast_closestream() call is supposed to be.

Well that's embarrassing.  In 11+ this is needed in msg_create_from_file(), line 6023 in 11.


- Corey


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On Oct. 31, 2014, 1:26 a.m., Corey Farrell wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/4138/
> -----------------------------------------------------------
> 
> (Updated Oct. 31, 2014, 1:26 a.m.)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Bugs: ASTERISK-24476
>     https://issues.asterisk.org/jira/browse/ASTERISK-24476
> 
> 
> Repository: Asterisk
> 
> 
> Description
> -------
> 
> Fix leak of ast_writestream recording_fs in app_voicemail:leave_voicemail.
> Fix cleanup in __ast_play_and_record where others[x] may be leaked.  This was caught where prepend != NULL && outmsg != NULL, once realfile[x] == NULL any further others[x] would be leaked.  I also added a cleanup block for prepend != NULL && outmsg == NULL.
> 
> Note: this is a serious leak, a single ast_writestream is slightly over 64k.
> 
> 
> Diffs
> -----
> 
>   /branches/1.8/main/app.c 426829 
>   /branches/1.8/apps/app_voicemail.c 426829 
> 
> Diff: https://reviewboard.asterisk.org/r/4138/diff/
> 
> 
> Testing
> -------
> 
> tests/apps/voicemail/check_voicemail_forward_with_prepend/ no longer leaks.
> 
> 
> Thanks,
> 
> Corey Farrell
> 
>

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