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Date: Sat, 26 Jan 2013 18:29:49 +0100
From: Frank Dittrich <frank_dittrich@...mail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Segfault in Jumbo --stdout
On 01/26/2013 04:02 PM, Dhiru Kholia wrote:
> On Sat, Jan 26, 2013 at 7:01 PM, Costin Enache <e_costin@...oo.com> wrote:
>> ./john --rules --wordlist=password.lst --stdout
>>
>> Segmentation fault
>>
>> Something went wrong. The world list can exist or not, the segfault happens
>> earlier. Without using –stdout all is fine.
>
> Hi Costin,
>
> Thanks for the report.
>
> Disabling "if (!strncmp(database.format->params.label, "wpapsk", 6)"
> code-block in john.c (line 726) makes the problem go away.
>
> Hopefully someone familiar with this piece of code will take a look soon.
A better fix is:
- if (!strncmp(database.format->params.label, "wpapsk", 6) &&
+ if (database.format->params.label &&
+ !strncmp(database.format->params.label, "wpapsk", 6) &&
But that the segfault didn't occur without --rules indicates that
magnum's intended fix do adjust min. length for wpapsk to 8 doesn't
always work.
Frank
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