Re: CVS version hangs the computer

From: Wayne Mitchell (
Date: 2002-08-25 03:27:17 UTC

> On Tue, Aug 20, 2002 at 07:05:45PM +1000, wayne wrote:
> > Only occurs when WEP is enabled and after a couple of minutes of normal
> > browsing. Oops output appears to be exactly the same as my previous
> > Also, still can't get WEP to work using a Windows client unless in
> > mode and WEP handled by firmware.
> OK, I was finally able to reproduce this. The encryption code had quite
> bad bug in calling the encrypt routine. The length of the packet was
> given with the extra space needed for IV and ICV. However, this should
> have included only the payload before encryption. As the end result, the
> encrypt routine happily overwrote the allocated buffer with 8 bytes.
> This might go unnoticed in some cases (i.e., did not crash anything in
> my first tests), but it is certainly something that should not be done.
> The fix is in the CVS. Please report whether this fixes the problems.
> In addition, I'm finally trying to get the next release out (assuming
> this fix removes most common problems at least on uniprocessor
> settings). So any other problem reports would also be welcome. I'll do
> some flood testing on SMP setup before the release since some crashes
> have been reported and I'm not sure whether all cases have been fixed.
> --
> Jouni Malinen PGP id EFC895FA


Have tried with the latest CVS version and everything looks good so far. I haven't experienced any lock ups on the HostAP box and the Windows2000 client now works with WEP enabled. Fantastic!!

Also, thanks for all your efforts with the driver. Much appreciated.


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