Le jeudi 31 mars 2011 Ã 18:03 +0400, "Oleg A. Arkhangelsky" a Ãcrit : > > 26.03.2011, 16:44, "Changli Gao" <xiaosuo@xxxxxxxxx>: > > On Thu, Mar 3, 2011 at 3:33 PM, Changli Gao <xiaosuo@xxxxxxxxx>; wrote: > > > >> Please try the patch attached and test if the problem is solved or not. Thanks. > > > > Any feedback? Thanks. > > > > Seems that patch is fine. > > https://bugzilla.kernel.org/show_bug.cgi?id=21512 > I wonder if this is not hiding another bug. Adding an RCU grace period might reduce the probability window. By the time nf_conntrack_free(ct) is called, no other cpu/thread could/should use ct, or ct->ext ? Sure, another thread can find/pass_on ct in a lookup but should not use it, since its refcount (ct_general.use) should be 0. Patrick ? -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
