linux-kernel - Re: [PATCH] XZ decompressor: Fix decoding of empty LZMA2 streams

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Date:	Wed, 4 May 2011 01:22:36 +0300
From:	Lasse Collin <lasse.collin@...aani.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: Re: [PATCH] XZ decompressor: Fix decoding of empty LZMA2 streams

On 2011-05-04 Andrew Morton wrote:
> Lasse Collin <lasse.collin@...aani.org> wrote:
> > From: Lasse Collin <lasse.collin@...aani.org>
> > 
> > The old code considered valid empty LZMA2 streams to be corrupt.
> > Note that a typical empty .xz file has no LZMA2 data at all,
> > and thus most .xz files having no uncompressed data are handled
> > correctly even without this fix.
> > 
> > Signed-off-by: Lasse Collin <lasse.collin@...aani.org>
> 
> The patch didn't have the cc:stable tag, but appears to be needed in
> 2.6.38.x and perhaps earlier, yes?
> 
> It's commit 646032e3b05b32d3f20cb108a030593d9d792eb5 in mainline.

Thanks. It's good for 2.6.38.x. Older ones don't have XZ support.

-- 
Lasse Collin  |  IRC: Larhzu @ IRCnet & Freenode
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