This is a note to let you know that I've just added the patch titled [PATCH stable 5.9 11/30] mptcp: initialize mptcp_options_received's ahmac to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mptcp-initialize-mptcp_options_received-s-ahmac.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Sat Oct 24 10:56:06 AM CEST 2020 From: Geliang Tang <geliangtang@xxxxxxxxx> Date: Mon, 19 Oct 2020 18:23:15 +0800 Subject: [PATCH stable 5.9 11/30] mptcp: initialize mptcp_options_received's ahmac From: Geliang Tang <geliangtang@xxxxxxxxx> [ Upstream commit fe2d9b1a0e7805384770ec0ddd34c9f1e9fe6fa8 ] Initialize mptcp_options_received's ahmac to zero, otherwise it will be a random number when receiving ADD_ADDR suboption with echo-flag=1. Fixes: 3df523ab582c5 ("mptcp: Add ADD_ADDR handling") Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx> Reviewed-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/mptcp/options.c | 1 + 1 file changed, 1 insertion(+) --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -296,6 +296,7 @@ void mptcp_get_options(const struct sk_b mp_opt->mp_capable = 0; mp_opt->mp_join = 0; mp_opt->add_addr = 0; + mp_opt->ahmac = 0; mp_opt->rm_addr = 0; mp_opt->dss = 0; Patches currently in stable-queue which might be from geliangtang@xxxxxxxxx are queue-5.9/mptcp-initialize-mptcp_options_received-s-ahmac.patch