From: Kirill Korotaev <[EMAIL PROTECTED]> Date: Thu, 15 Mar 2007 13:33:12 +0300
> David Miller wrote: > > From: Alexey Dobriyan <[EMAIL PROTECTED]> > > Date: Wed, 14 Mar 2007 16:07:11 +0300 > > > > > >>ANK says: "It is rarely used, that's wy it was not noticed. > >>But in the places, where it is used, it should be disaster." > >> > >>Signed-off-by: Alexey Dobriyan <[EMAIL PROTECTED]> > > > > > > Applied. > > > > What bug triggered that helped you discover this? Or is it > > merely from a code audit? > Ohhh, it is a fairy-tale to tell the truth :) > We had some unexplainable problems with java application in OpenVZ kernel. > It didn't work sometimes, but worked fine (!) with CONFIG_SLAB_DEBUG. > Alexey blamed java :), but ... > Then we found that poising one of the bits in slab cache was curing it. > After that we found that the problem is related to fclone cache. > And then we found that not all the fields are initialized during cloning. > The bug was related to our own skb->field we introduced, > but we analyzed the code and found this as well. Thanks for the detailed information. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
