From: Xin Long <lucien.xin@xxxxxxxxx> Date: Mon, 26 Nov 2018 14:52:44 +0800 > I changed to count sk_wmem_alloc by skb truesize instead of 1 to > fix the sk_wmem_alloc leak caused by later truesize's change in > xfrm in Commit 02968ccf0125 ("sctp: count sk_wmem_alloc by skb > truesize in sctp_packet_transmit"). > > But I should have also increased sk_wmem_alloc when head->truesize > is increased in sctp_packet_gso_append() as xfrm does. Otherwise, > sctp gso packet will cause sk_wmem_alloc underflow. > > Fixes: 02968ccf0125 ("sctp: count sk_wmem_alloc by skb truesize in sctp_packet_transmit") > Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx> Applied.