Re: [PATCH net] mptcp: fix NULL ptr dereference on bad MPJ

On Thu, 26 Nov 2020 16:23:08 +0100 Matthieu Baerts wrote: > On 26/11/2020 15:17, Paolo Abeni wrote: > > If an msk listener receives an MPJ carrying an invalid token, it > > will zero the request socket msk entry. That should later > > cause fallback and subflow reset - as per RFC - at > > subflow_s

Re: [PATCH net] mptcp: fix NULL ptr dereference on bad MPJ

Hi Paolo, On 26/11/2020 15:17, Paolo Abeni wrote: If an msk listener receives an MPJ carrying an invalid token, it will zero the request socket msk entry. That should later cause fallback and subflow reset - as per RFC - at subflow_syn_recv_sock() time due to failing hmac validation. Since comm

[PATCH net] mptcp: fix NULL ptr dereference on bad MPJ

If an msk listener receives an MPJ carrying an invalid token, it will zero the request socket msk entry. That should later cause fallback and subflow reset - as per RFC - at subflow_syn_recv_sock() time due to failing hmac validation. Since commit 4cf8b7e48a09 ("subflow: introduce and use mptcp_ca