Re: [PATCH] mountd: fix --manage-gids hang due to int/uint bug

["J. Bruce Fields" <bfields@fieldses.org>]

On Mon, Mar 08, 2010 at 11:23:56AM -0500, Steve Dickson wrote:
> 
> 
> On 03/02/2010 03:49 PM, J. Bruce Fields wrote:
> > From: J. Bruce Fields <bfields@citi.umich.edu>
> > 
> > A uid or gid should be represented as unsigned, not signed.
> > 
> > The conversion to signed here could cause a hang on access by an unknown
> > user to a server running mountd with --manage-gids; such a user is
> > likely to be mapped to 232-1, which may be converted to 231-1 when
> > represented as an int, resulting in a downcall for uid 231-1, hence the
> > original rpc hanging forever waiting for a cache downcall for 232-1.
> > 
> > Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
> Committed... 

Thanks.

But, that's really weird: where did all the carat's (^'s) go, in 2^32
and 2^31?

--b.