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Message-ID: <3f4e3a6500b2dfcdae0ff8d83b295565@smtp.hushmail.com>
Date: Mon, 29 Apr 2013 20:47:23 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: krb5-23 Format Failure in Latest Unstable Jumbo on MacOSX
On 29 Apr, 2013, at 20:40 , Erik Winkler <ewinkler@...ls.com> wrote:
> Testing the latest Jumbo on MacOS X shows an error for the macosx-x86-64 target when compiled for OpenMP. See below:
>
> ../run/john -test -format:krb5-23
> Benchmarking: Kerberos 5 db etype 23 rc4-hmac [32/64]... FAILED (cmp_all(1))
>
>
> The error does NOT occur when the OpenMP compile flag is disabled.
>
> ../run/john -test -format:krb5-23
> Benchmarking: Kerberos 5 db etype 23 rc4-hmac [32/64]... DONE
> Raw: 538801 c/s real, 538801 c/s virtual
>
>
> Tested with Apple's gcc compiler (version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)) and with gcc-4.7.2.
Thanks, this is known. I can't find any problem in the code and I have started to think it's actually a bug in OSX' Heimdal version of libkrb.
https://github.com/magnumripper/JohnTheRipper/issues/270
Actually, I haven't ever seen the problem when using --format=krb5-23, only when running a full --test. I get it with or without OMP but it's intermittent. When faced with the debugger, the coward bug crawled back under its stone until I gave up.
magnum
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