On Mon, 15 Mar 2004 22:41:39 -0500
James <[EMAIL PROTECTED]> wrote:

> I'm currently using clamav 0.67, and I'm seeing clamav taking a long
> time scanning files with mostly 0xFFs.  
> 
> Normally the time it takes to scan a file is not a problem but once a
> while we receive a large mostly white picture, and instead of the
> usual minute or so to scan a file, it takes 20+ mins to scan it.  
> This is happening on both linux on intel and  solaris on sparcs.
> 
> Just as a data point, I used clamscan to scan a 1M data file with
> random data and it took 3.6 sec, but a 1M file of all 0xFF's took 21
> sec.
> 
> Has anyone else seen this problem?  

It seems there are (far) too many signatures that start with ffff and
the node [ff][ff] contains too many signatures in the linked list. I
will fix that with the next main.cvd update.

-- 
   oo    .....         Tomasz Kojm <[EMAIL PROTECTED]>
  (\/)\.........         http://www.ClamAV.net/gpg/tkojm.gpg
     \..........._         0DCA5A08407D5288279DB43454822DC8985A444B
       //\   /\              Tue Mar 16 09:41:56 CET 2004

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