Messages in this thread | | | Date | Mon, 18 Mar 2019 17:59:48 -0700 (PDT) | Subject | Re: [PATCH net] packets: Always register packet sk in the same order | From | David Miller <> |
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From: David Miller <davem@davemloft.net> Date: Sat, 16 Mar 2019 18:21:19 -0700 (PDT)
> From: Willem de Bruijn <willemdebruijn.kernel@gmail.com> > Date: Sat, 16 Mar 2019 14:09:33 -0400 > >> Note that another consequence of this patch is that insertion on >> packet create is now O(N) with the number of active packet sockets, >> due to sklist being an hlist. > > Exploitable...
After reading Willem's explanation of how the scope of such a problem is constrained, I am going to apply this and queue it up for -stable.
Maybe in the long term we can do the hlist reverse RCU thing.
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