Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
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Date: Sun, 14 May 2006 13:12:47 +0200
From: "Frank Dittrich" <>
Subject: Re: john --format=NT segfaults when using wrong password file forma

Solar Designer wrote:
>On Tue, May 09, 2006 at 10:06:49PM +0200, Frank Dittrich wrote:
>>(no debugging symbols found)...(no debugging symbols found)...
>>Program received signal SIGSEGV, Segmentation fault.
>>0x4009cc36 in strncpy () from /lib/i686/
>>#0  0x4009cc36 in strncpy () from /lib/i686/
>>#1  0x0805ba9f in strcpy ()
>This is still wrong.  Perhaps the reason is that I forgot to mention
>that you should adjust the LDFLAGS as well (drop the -s from there)

No, you are not responsible for people who are not skilled enough
to use the tools, and too lazy to check the man pages.
(I did notice I was doing something wrong, so I could have RTFM.)

>indeed you did not do it.

Indeed, and it was indeed _my_ fault.
But once I checked the NT patch more closely, it was rather obvios
what caused the problem.
With the jumbo patch version, I just inserted some printf calls
in valid() and wondered why they didn't get processed.

>Can you possibly communicate with Erik to get this fixed for the next
>revision of the jumbo patch?

Done. (Should I have CC'ed you?)
I was just hoping he's subscribed to john-users and would jump in.


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