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Groups > comp.lang.c > #35668

Re: Memory corruption on freeing a pointer to pointer

From James Kuyper <jameskuyper@verizon.net>
Newsgroups comp.lang.c
Subject Re: Memory corruption on freeing a pointer to pointer
Date 2013-08-23 17:50 -0400
Organization Self
Message-ID <5217D920.6010201@verizon.net> (permalink)
References <ea56f6e9-efbe-4456-aa56-d3b9bfc6720f@googlegroups.com> <efjf19pg8vm7hb5ji87l6c9hlls59e2ie0@4ax.com>

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On 08/23/2013 05:16 PM, Barry Schwarz wrote:
> On Fri, 23 Aug 2013 10:15:42 -0700 (PDT), Sharwan Joram
> <sharwan.joram@gmail.com> wrote:
> 
>> Hi,
>>   I have a strange problem here in my code. I'am getting memory corruption while trying to free the first element of list. Code snippet and GDB debugging trace below :
...

It's clear that Sharwan only presented us with part of his program, and
as I found out the hard way, even some of the lines he did give us
weren't actually part of the program.
>>      parameters[parametercount] = (char *)malloc(30 * sizeof (char *));
> 
> This allocates too much memory.

That's probably correct (though it might be the case that some of the
parameters are large enough to need that much space). However, your
comment isn't very helpful without further explanation.

Sharwan: what Barry is referring to is the fact that you wrote
30*sizeof(char*), when context suggests that you should have written
30*sizeof(char), or better yet, 30*sizeof **parameters. sizeof(char*) is
almost certainly larger than sizeof(char); on many modern systems it
will be 4; other likely values include 2 and 8.

>>    for (parametercount = idx; parametercount >= 0; ++parametercount)
> 
> If idx is positive, this loop will never terminate.

Assuming that the above line is more "real" than the

    parameters[parametercount] = token;

turned out to be, this looks like the best candidate for the main problem.
It will access memory beyond the end of the parameters array, interpret
uninitialized memory or memory that's serving some other purpose as if
it contained a pointer value, and pass that value to free(). That will
render the behavior of the code undefined for at least two different
reasons (three if char* can have trap values) almost simultaneously.

It probably should have been written:

    for (parametercount = idx-1; parametercount >= 0; --parametercount)

Alternatively, it would have worked just as well going through the array
in the opposite direction, with less danger of getting the loop
conditions wrong:

    for(parametercount = 0; parametercount < idx; ++parametercount)

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Thread

Memory corruption on freeing a pointer to pointer Sharwan Joram <sharwan.joram@gmail.com> - 2013-08-23 10:15 -0700
  Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-23 14:05 -0400
    Re: Memory corruption on freeing a pointer to pointer Sharwan Joram <sharwan.joram@gmail.com> - 2013-08-23 11:17 -0700
      Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-23 14:51 -0400
        Re: Memory corruption on freeing a pointer to pointer blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2013-08-24 21:50 +0000
        Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-24 15:36 -0700
  Re: Memory corruption on freeing a pointer to pointer Martin Shobe <martin.shobe@yahoo.com> - 2013-08-23 13:18 -0500
  Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-23 20:00 +0000
    Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-23 21:37 +0100
  Re: Memory corruption on freeing a pointer to pointer Barry Schwarz <schwarzb@dqel.com> - 2013-08-23 14:16 -0700
    Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-23 17:50 -0400
  Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-23 22:56 -0700
    Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-24 13:45 +0100
      Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-24 06:20 -0700
        Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-24 20:16 +0100
          Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-24 16:51 -0700
            Re: Memory corruption on freeing a pointer to pointer Ian Collins <ian-news@hotmail.com> - 2013-08-25 12:27 +1200
              Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-24 18:02 -0700
                Re: Memory corruption on freeing a pointer to pointer Ian Collins <ian-news@hotmail.com> - 2013-08-25 15:03 +1200
                Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-25 08:09 -0700
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-25 14:02 -0700
                Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-25 22:43 -0700
            Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-25 02:21 +0100
            Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-24 19:41 -0700
        Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-24 15:15 -0700
  Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-24 02:48 -0700
  Re: Memory corruption on freeing a pointer to pointer Sven Köhler <remove-sven.koehler@gmail.com> - 2013-08-24 17:02 +0300
    Re: Memory corruption on freeing a pointer to pointer Sharwan Joram <sharwan.joram@gmail.com> - 2013-08-24 12:05 -0700
      Re: Memory corruption on freeing a pointer to pointer Barry Schwarz <schwarzb@dqel.com> - 2013-08-24 15:14 -0700
        Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-24 15:38 -0700
      Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-25 02:10 +0100
        Re: Memory corruption on freeing a pointer to pointer Sharwan Joram <sharwan.joram@gmail.com> - 2013-08-25 00:30 -0700
          Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-25 21:13 +0100
      Re: Memory corruption on freeing a pointer to pointer Sven Köhler <remove-sven.koehler@gmail.com> - 2013-08-25 11:13 +0300
      Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-25 10:03 -0400
        Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-25 14:07 -0700
          Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-25 18:47 -0400
          Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-26 06:40 +0000
            Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 06:31 -0400
              Re: Memory corruption on freeing a pointer to pointer Richard Damon <Richard@Damon-Family.org> - 2013-08-26 07:44 -0400
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-26 15:15 +0000
            Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 07:50 -0400
              Re: Memory corruption on freeing a pointer to pointer David Brown <david@westcontrol.removethisbit.com> - 2013-08-26 16:08 +0200
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 11:42 -0400
                Re: Memory corruption on freeing a pointer to pointer David Brown <david@westcontrol.removethisbit.com> - 2013-08-26 18:16 +0200
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-26 17:10 +0000
                Re: Memory corruption on freeing a pointer to pointer David Brown <david@westcontrol.removethisbit.com> - 2013-08-27 09:27 +0200
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-27 07:42 -0400
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-27 18:38 +0000
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-27 15:14 -0400
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-27 14:23 -0700
                Re: Memory corruption on freeing a pointer to pointer Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2013-08-27 16:06 -0600
                Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-27 15:14 -0700
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-27 23:17 +0000
                Re: Memory corruption on freeing a pointer to pointer Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-28 20:34 +0300
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-28 11:06 -0700
                Re: Memory corruption on freeing a pointer to pointer Robert Wessel <robertwessel2@yahoo.com> - 2013-08-28 22:31 -0500
                [OT] significant digits James Kuyper <jameskuyper@verizon.net> - 2013-08-29 06:53 -0400
                Re: [OT] significant digits Robert Wessel <robertwessel2@yahoo.com> - 2013-08-29 16:51 -0500
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-28 15:05 -0400
                Re: Memory corruption on freeing a pointer to pointer David Brown <david@westcontrol.removethisbit.com> - 2013-08-28 00:05 +0200
                Re: Memory corruption on freeing a pointer to pointer Ian Collins <ian-news@hotmail.com> - 2013-08-28 10:08 +1200
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-27 18:30 -0400
                Re: Memory corruption on freeing a pointer to pointer David Brown <david@westcontrol.removethisbit.com> - 2013-08-28 09:39 +0200
                Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-28 04:04 -0700
                Re: Memory corruption on freeing a pointer to pointer Robert Wessel <robertwessel2@yahoo.com> - 2013-08-28 22:35 -0500
                [OT] English [was: Memory corruption on freeing a pointer to pointer] James Kuyper <jameskuyper@verizon.net> - 2013-08-28 07:10 -0400
                Re: [OT] English [was: Memory corruption on freeing a pointer to pointer] David Brown <david@westcontrol.removethisbit.com> - 2013-08-28 14:50 +0200
                Re: [OT] English [was: Memory corruption on freeing a pointer to pointer] ralph <nt_consulting@yahoo.com> - 2013-08-28 12:29 -0500
                Re: [OT] English [was: Memory corruption on freeing a pointer to pointer] Philip Lantz <prl@canterey.us> - 2013-08-30 00:57 -0700
                Re: [OT] English [was: Memory corruption on freeing a pointer to pointer] David Brown <david@westcontrol.removethisbit.com> - 2013-08-30 10:07 +0200
                Re: [OT] English [was: Memory corruption on freeing a pointer to pointer] Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-28 20:46 +0300
                Re: [OT] English [was: Memory corruption on freeing a pointer to pointer] James Kuyper <jameskuyper@verizon.net> - 2013-08-28 15:13 -0400
                Re: [OT] English [was: Memory corruption on freeing a pointer to pointer] Ian Collins <ian-news@hotmail.com> - 2013-08-29 08:40 +1200
                Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-28 03:58 +0100
                Re: Memory corruption on freeing a pointer to pointer David Brown <david@westcontrol.removethisbit.com> - 2013-08-28 09:58 +0200
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-27 11:45 -0700
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-27 23:23 +0000
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-27 16:47 -0700
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-28 03:29 +0000
              Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-26 16:54 +0000
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 13:26 -0400
                Re: Memory corruption on freeing a pointer to pointer David Thompson <dave.thompson2@verizon.net> - 2013-08-28 22:27 -0400
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-29 05:18 +0000
                Re: Memory corruption on freeing a pointer to pointer David Thompson <dave.thompson2@verizon.net> - 2013-09-04 00:01 -0400
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-09-04 05:40 +0000
              Re: Memory corruption on freeing a pointer to pointer Ian Collins <ian-news@hotmail.com> - 2013-08-27 08:54 +1200
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-26 21:09 +0000
                Re: Memory corruption on freeing a pointer to pointer Ian Collins <ian-news@hotmail.com> - 2013-08-27 09:16 +1200
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-26 21:39 +0000
                Re: Memory corruption on freeing a pointer to pointer Ian Collins <ian-news@hotmail.com> - 2013-08-27 09:42 +1200
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-26 21:52 +0000
                Re: Memory corruption on freeing a pointer to pointer Les Cargill <lcargill99@comcast.com> - 2013-08-26 17:46 -0500
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 17:12 -0400
                Re: Memory corruption on freeing a pointer to pointer Ian Collins <ian-news@hotmail.com> - 2013-08-27 09:17 +1200
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 18:45 -0400
                Re: Memory corruption on freeing a pointer to pointer Ian Collins <ian-news@hotmail.com> - 2013-08-27 11:03 +1200
            Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 08:52 -0700
              Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-26 17:20 +0000
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 10:59 -0700
                Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-26 11:31 -0700
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-26 19:30 +0000
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-26 19:26 +0000
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 13:37 -0700
                Re: Memory corruption on freeing a pointer to pointer Tim Rentsch <txr@alumni.caltech.edu> - 2013-08-26 22:20 -0700
                Re: Memory corruption on freeing a pointer to pointer Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-27 16:42 +0300
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-27 10:28 -0700
                Re: Memory corruption on freeing a pointer to pointer Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-28 20:29 +0300
                Re: Memory corruption on freeing a pointer to pointer David Thompson <dave.thompson2@verizon.net> - 2013-08-28 22:27 -0400
              Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-26 19:18 +0000
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 15:41 -0400
                Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-26 12:58 -0700
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-26 20:52 +0000
                Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-26 14:35 -0700
                Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-27 00:48 +0100
                Re: Memory corruption on freeing a pointer to pointer David Thompson <dave.thompson2@verizon.net> - 2013-08-28 22:27 -0400
                Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-29 03:40 +0100
                Re: Memory corruption on freeing a pointer to pointer David Thompson <dave.thompson2@verizon.net> - 2013-09-04 00:01 -0400
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-29 05:27 +0000
                Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-30 01:40 +0100
                Re: Memory corruption on freeing a pointer to pointer Les Cargill <lcargill99@comcast.com> - 2013-08-26 17:51 -0500
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-27 08:24 +0000
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-27 08:12 -0400
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-27 11:48 -0700
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 13:28 -0700
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-26 20:40 +0000
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 14:36 -0700
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-26 21:43 +0000
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-26 21:59 +0000
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 15:26 -0700
                Re: Memory corruption on freeing a pointer to pointer Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-27 16:52 +0300
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-28 16:16 +0000
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-28 10:54 -0700
                Re: Memory corruption on freeing a pointer to pointer Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-28 20:56 +0300
                Re: Memory corruption on freeing a pointer to pointer glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2013-08-28 19:23 +0000
                Re: Memory corruption on freeing a pointer to pointer Tim Rentsch <txr@alumni.caltech.edu> - 2013-08-28 23:31 -0700
              Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-27 07:00 +0000
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-27 11:41 -0700
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-28 16:21 +0000
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-28 10:57 -0700
                Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-28 21:27 +0000
                Re: Memory corruption on freeing a pointer to pointer Malcolm McLean <malcolm.mclean5@btinternet.com> - 2013-08-28 14:53 -0700
              Re: Memory corruption on freeing a pointer to pointer Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-27 16:37 +0300
            Re: Memory corruption on freeing a pointer to pointer Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-27 16:29 +0300
              Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-28 16:11 +0000
            Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-28 02:45 +0100
              Re: Memory corruption on freeing a pointer to pointer Ike Naar <ike@iceland.freeshell.org> - 2013-08-28 20:47 +0000
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-28 16:22 -0700
                Re: Memory corruption on freeing a pointer to pointer Martin Shobe <martin.shobe@yahoo.com> - 2013-08-29 13:36 -0500
                Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-29 20:06 +0100
                Re: Memory corruption on freeing a pointer to pointer Martin Shobe <martin.shobe@yahoo.com> - 2013-08-30 10:48 -0500
                Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-30 18:34 +0100
          Re: Memory corruption on freeing a pointer to pointer Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-27 16:25 +0300
            Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-27 10:06 -0400
              Re: Memory corruption on freeing a pointer to pointer Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2013-08-27 18:21 +0300
                Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-27 12:16 -0400
                Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-28 02:25 +0100
            Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-27 11:51 -0700
      Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-26 02:55 -0700
        Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-26 03:04 -0700
  Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-25 19:02 -0700
    Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-25 20:01 -0700
      Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-25 22:49 -0700
        Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-25 23:07 -0700
          Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-25 23:20 -0700
            Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-26 13:03 +0100
          Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 07:02 -0400
            Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-26 08:27 -0700
              Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 11:52 -0400
              Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 08:57 -0700
          Re: Memory corruption on freeing a pointer to pointer Barry Schwarz <schwarzb@dqel.com> - 2013-08-26 04:53 -0700
          Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-26 12:58 +0100
            Re: Memory corruption on freeing a pointer to pointer Sharwan Joram <sharwan.joram@gmail.com> - 2013-08-26 06:40 -0700
              Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-26 15:28 +0100
            Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-26 14:54 -0700
              Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 18:22 -0400
              Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 15:31 -0700
              Re: Memory corruption on freeing a pointer to pointer Ben Bacarisse <ben.usenet@bsb.me.uk> - 2013-08-27 01:08 +0100
                Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-26 22:02 -0700
              Re: Memory corruption on freeing a pointer to pointer Barry Schwarz <schwarzb@dqel.com> - 2013-08-26 21:07 -0700
        Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 08:29 -0700
          Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-26 08:46 -0700
            Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 08:59 -0700
              Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-26 09:19 -0700
                Re: Memory corruption on freeing a pointer to pointer Keith Thompson <kst-u@mib.org> - 2013-08-26 10:47 -0700
            Re: Memory corruption on freeing a pointer to pointer James Kuyper <jameskuyper@verizon.net> - 2013-08-26 12:18 -0400
              Re: Memory corruption on freeing a pointer to pointer gdotone@gmail.com - 2013-08-26 09:23 -0700

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