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Re: (ITS#6755) ldapsearch crashes - double free or corruption (!prev): 0x0989f5f8

hyc@symas.com wrote:
> Howard Chu wrote:
>> jgilmour@techsmog.com wrote:
>>> Full_Name: Josh Gilmour
>>> Version: ldapsearch 2.3.43 (Nov 29 2010 03:47:14)
>>> OS: CentOS release 5.4 32bit
>>> URL: ftp://ftp.openldap.org/incoming/
>>> Submission from: (NULL) (
>>> I get a segfault when using the following command and applying a filter file. If
>>> we remove the -f, the command runs properly. It doesn't seem to be a major
>>> security issue (or one at all, I'm not sure), but it does seem to be a bug I
>>> believe...
>> OpenLDAP 2.3 is no longer supported. If you can reproduce this bug in a
>> current release please followup with the relevant stack trace, otherwise this
>> ITS will be closed. Currently I see no such symptom in 2.4.x.
> Valgrind disagreed with me, the bug was still present in 2.4. Fixed in HEAD.
But the fix needs some more thought. I don't believe this combination of 
options actually makes any sense; we should probably just disallow it.

   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/