From: Geliang Tang <[email protected]>
Date: Mon, 8 Jun 2020 18:47:54 +0800
> In MPTCPOPT_RM_ADDR option parsing, the pointer "ptr" pointed to the
> "Subtype" octet, the pointer "ptr+1" pointed to the "Address ID" octet:
>
> +-------+-------+---------------+
> |Subtype|(resvd)| Address ID |
> +-------+-------+---------------+
> | |
> ptr ptr+1
>
> We should set mp_opt->rm_id to the value of "ptr+1", not "ptr". This patch
> will fix this bug.
>
> Fixes: 3df523ab582c ("mptcp: Add ADD_ADDR handling")
> Signed-off-by: Geliang Tang <[email protected]>
> ---
> Changes in v2:
> - Add "-net" subject and "Fixes" tag as Matt suggested.
Applied and queued up for v5.7 -stable, thanks!