On Thu, Dec 10, 2020 at 3:26 PM Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > From: Eric Dumazet <edumazet@xxxxxxxxxx> > > IP_ECN_decapsulate() and IP6_ECN_decapsulate() assume > IP header is already pulled. > > geneve does not ensure this yet. > > Fixing this generically in IP_ECN_decapsulate() and > IP6_ECN_decapsulate() is not possible, since callers > pass a pointer that might be freed by pskb_may_pull() > > syzbot reported : > Note that we had to revert this patch, so you can either scratp this backport, or make sure to backport the revert. Thanks !
