summaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
authorHoang Le <hoang.h.le@dektech.com.au>2021-05-14 08:23:03 +0700
committerDavid S. Miller <davem@davemloft.net>2021-05-14 15:01:58 -0700
commit75016891357a628d2b8acc09e2b9b2576c18d318 (patch)
tree5c504903891f0548c028317ac03cd5158638c4cb /net
parent414ed7fe863a1822c5ddcea080c76ce0b1c6d3fd (diff)
Revert "net:tipc: Fix a double free in tipc_sk_mcast_rcv"
This reverts commit 6bf24dc0cc0cc43b29ba344b66d78590e687e046. Above fix is not correct and caused memory leak issue. Fixes: 6bf24dc0cc0c ("net:tipc: Fix a double free in tipc_sk_mcast_rcv") Acked-by: Jon Maloy <jmaloy@redhat.com> Acked-by: Tung Nguyen <tung.q.nguyen@dektech.com.au> Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/tipc/socket.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 58935cd0d068..53af72824c9c 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1262,7 +1262,10 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
spin_lock_bh(&inputq->lock);
if (skb_peek(arrvq) == skb) {
skb_queue_splice_tail_init(&tmpq, inputq);
- __skb_dequeue(arrvq);
+ /* Decrease the skb's refcnt as increasing in the
+ * function tipc_skb_peek
+ */
+ kfree_skb(__skb_dequeue(arrvq));
}
spin_unlock_bh(&inputq->lock);
__skb_queue_purge(&tmpq);