Re: Do not use zlib 1.1.3 with git packs!

From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Date: 2006-04-29 11:47:27
Hi,

On Sat, 29 Apr 2006, Johannes Schindelin wrote:

> Upgrading to zlib 1.2.3 helped.

Apparently I was too enthusiastic to have a working system again.

The problem showed again, but with a different repository.

This time, though, I have an idea what could be the culprit.

In create_delta(), there might be illegal accesses. The function adler32() 
is called for BLK_SIZE bytes (which is 16 bytes at the moment), starting 
from data, which is initially trg_buf, and is incremented until it is 
(trg_buf + trg_size).

I gather that close to the end, adler32() tries to read 15 bytes after the 
end of the allocated target buffer.

Am I wrong?

Ciao,
Dscho

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Received on Sat Apr 29 11:48:10 2006

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