linux-kernel - Re: [RESEND] file operations: release can race with read/write?

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Message-ID: <adafy09gzuu.fsf@cisco.com>
Date:	Wed, 17 Oct 2007 15:06:49 -0700
From:	Roland Dreier <rdreier@...co.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Al Viro <viro@....linux.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: [RESEND] file operations: release can race with read/write?

 > After pthread_create()'s clone() you should have files->count==2, so
 > fget_light() will do the full atomic_inc_not_zero() thing?

Indeed.  Thanks for the clue.

I guess the search for the bug goes on.  (I only have a picture of the
tail end of one oops message to work with so far, hence the wild
speculation).

Thanks,
  Roland
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