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Bug #68674 Invalid free
Submitted: 2014-12-29 01:54 UTC Modified: 2015-08-08 14:03 UTC
From: bugreports at internot dot info Assigned: bwoebi (profile)
Status: Not a bug Package: phpdbg
PHP Version: master-Git-2014-12-29 (Git) OS: Linux Ubuntu 14.04
Private report: No CVE-ID: None
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 [2014-12-29 01:54 UTC] bugreports at internot dot info 
Description:
------------
Hi,


In /sapi/phpdbg/phpdbg_bp.c:

211                                        if ((*str)[0]) {
212                                                efree(*str);

As you can see from line 211, *str is an array.

Thanks,

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 [2014-12-30 02:53 UTC] aharvey@php.net
-Package: *General Issues +Package: phpdbg
 [2015-01-08 08:34 UTC] laruence@php.net
-Assigned To: +Assigned To: krakjoe
 [2015-08-08 14:03 UTC] bwoebi@php.net
-Status: Assigned +Status: Not a bug -Assigned To: krakjoe +Assigned To: bwoebi
 [2015-08-08 14:03 UTC] bwoebi@php.net 
There's no invalid free. The check is to prevent the literal "" (with which str is initialized) to be freed. Hence it checks whether the first byte is not 0.
 
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