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Re: gunzip store trouble identified
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From: |
Marcus Brinkmann |
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Subject: |
Re: gunzip store trouble identified |
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Date: |
Mon, 11 Mar 2002 23:43:25 +0100 |
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User-agent: |
Mutt/1.3.27i |
On Mon, Mar 11, 2002 at 11:36:56PM +0100, Marcus Brinkmann wrote:
> and, yo and behold, the calculation of maxaddr will underflow, leading to a
^^^^^^^
maxread
> maxaddr of around 2^32 minus something (something being 256kb - 566 or so).
^^^^^^^
maxread
> The next read will read past the end of the store and trigger the EIO.
>
> Again, finding the right place to fix that is bit of a problem. Only
> reading up to maxread defeats the purpose of in_buffering.
But I verified that this fixes the symptoms (replacing in_buffering in the
store_read call in zread by "(maxread < in_buffering) ? maxread : in_buffering")
Thanks,
Marcus
--
`Rhubarb is no Egyptian god.' Debian http://www.debian.org brinkmd@debian.org
Marcus Brinkmann GNU http://www.gnu.org marcus@gnu.org
Marcus.Brinkmann@ruhr-uni-bochum.de
http://www.marcus-brinkmann.de