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Message-ID: <8c5bbb211c404fb62c1dc0199b67b8a6@smtp.hushmail.com>
Date: Wed, 27 Jun 2012 21:30:38 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: RAR cmp_one(3) failures
On 2012-06-27 18:32, Solar Designer wrote:
> On Thu, Jun 21, 2012 at 11:39:54PM +0200, magnum wrote:
>> The RAR format actually has a known bug, it will sometimes fail at
>> cmp_one(3) and I will give a beer to anyone that finds the culprit. It's
>> present in non-OMP CPU-only builds and any other ones too. But the
>> moment I grab my debugger, the bug crawls back under its' stone and
>> hides until I give up.
>>
>
> For me, the problem is now triggerable after about 10 or 20 invocations
> of the OpenMP build, regardless of whether ASLR is enabled or not. It
> is _not_ triggerable in a non-OpenMP build on the same machine, again
> regardless of ASLR. Of course, this does not mean it would not appear
> in a non-OpenMP build on another system.
Do you still get the failures after the EVPDecryptFinal() fix? I now run
this (linux-x86-64i OMP):
count=1; while true; do ../run/john -t -fo:rar || break; echo $count;
count=$(($count + 1)); done
When I write this, it's 300 "DONE", and counting.
magnum
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