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Date: Wed, 29 Mar 2017 09:26:57 -0700 (PDT) From: David Miller <davem@...emloft.net> To: g.nault@...halink.fr Cc: netdev@...r.kernel.org, jchapman@...alix.com Subject: Re: [PATCH net] l2tp: hold tunnel socket when handling control frames in l2tp_ip and l2tp_ip6 From: Guillaume Nault <g.nault@...halink.fr> Date: Wed, 29 Mar 2017 08:44:59 +0200 > The code following l2tp_tunnel_find() expects that a new reference is > held on sk. Either sk_receive_skb() or the discard_put error path will > drop a reference from the tunnel's socket. > > This issue exists in both l2tp_ip and l2tp_ip6. > > Fixes: a3c18422a4b4 ("l2tp: hold socket before dropping lock in l2tp_ip{, 6}_recv()") > Signed-off-by: Guillaume Nault <g.nault@...halink.fr> Applied.
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