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Date: Wed, 27 Jun 2012 21:51:21 +0200
From: magnum <>
Subject: Re: RAR cmp_one(3) failures

On 2012-06-27 21:47, Solar Designer wrote:
> On Wed, Jun 27, 2012 at 09:42:51PM +0200, magnum wrote:
>> Oh. But the very first time it's called, we are in the self-test with a
>> crypt_all(1), right? So there should only be one thread.
> No, we're in there with crypt_all(3), and we're running 4 threads.
> This also explains why I was unable to trigger the bug with fewer than 4
> threads.
>> I'm extremely happy if we can kill this bug!
> Me too.  Patch attached.
> Sorry for this counter-intuitive CRC32_Init() interface, which mimics
> OpenSSL's thread-safe interfaces but actually is not...  I actually knew
> of this limitation many years ago when I wrote this code, but of course
> I did not recall until I debugged it the hard way today.

Cool, I'll omit the #pragma then, and apply this. I wasn't even aware we
are using our own crc32 :)

Thanks a lot!


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