linux-kernel - Re: [PATCH] - catch blocks beyond pagecache limit in __getblk

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Message-ID: <454FB7DA.5070305@redhat.com>
Date:	Mon, 06 Nov 2006 16:31:54 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	Eric Sandeen <sandeen@...hat.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH] - catch blocks beyond pagecache limit in __getblk_slow

Eric Sandeen wrote:
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=206328
> 
> has a nice analysis of what can go wrong when we try to read blocks which
> are at extremely high offsets, when our sector_t is 64 bits but our pgoff_t
> is only 32.  The cases in question that I've seen are the result of filesystem
> corruption.

Urk, scratch that I see a fix is already in.

http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=e5657933863f43cc6bb76a54d659303dafaa9e58

-Eric
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