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Message-ID: <CANO7a6yOeV3V4D2eRhM8Qsp-n4cjpGteEqNoPxor9YjLPTADmg@mail.gmail.com>
Date: Sun, 27 Jan 2013 19:33:29 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: krb5-23 or wow bug (or what?)
On Sun, Jan 27, 2013 at 7:18 PM, magnum <john.magnum@...hmail.com> wrote:
> On 26 Jan, 2013, at 13:54 , magnum <john.magnum@...hmail.com> wrote:
>> I am actually trying to find some format thrashing memory. Under OSX the krb5-23 format fails, only on OMP builds (but even when OMP_NUM_THREADS=1) and only during --test (all formats). And this problem goes away if I register the krb5 formats before the plugins, so it is one of the plugin formats that thrashes memory.
>
> This drives me nuts. I have narrowed it down to wow-srp. If wow-srp self-test runs before krb5-23's, the latter fails cmp_all(1). If I disable wow-srp, the problem is gone.
>
> GMP or not doesn't matter.
> OMP needs to be enabled, but it happens with OMP_NUM_THREADS=1 as well so it's not a thread safety issue.
>
> I can't reproduce it on Linux. And Valgrind does not help me (actually under Valgrind the bug does not even show). And making wow's buffers a lot larger does not make the problem go away.
>
> I'm stumped. Dhiru, can you try to reproduce this on OSX?
I get access to OSX VM if my brother is not playing online games on that PC ;)
To reproduce this problem, I need to make an OMP build and run "john
-t=0", correct?
--
Dhiru
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