Commit 237ff253 authored by Edward Adam Davis's avatar Edward Adam Davis Committed by David S. Miller
Browse files

mptcp: fix uninit-value in mptcp_incoming_options 



Added initialization use_ack to mptcp_parse_option().

Reported-by: default avatar <syzbot+b834a6b2decad004cfa1@syzkaller.appspotmail.com>
Signed-off-by: default avatarEdward Adam Davis <eadavis@qq.com>
Acked-by: default avatarPaolo Abeni <pabeni@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c9213dda

net/mptcp/options.c

+1 −0
Original line number Diff line number Diff line
@@ -108,6 +108,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, 
			mp_opt->suboptions |= OPTION_MPTCP_DSS;

			mp_opt->use_map = 1;

			mp_opt->mpc_map = 1;

			mp_opt->use_ack = 0;

			mp_opt->data_len = get_unaligned_be16(ptr);

			ptr += 2;

		}