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| author | Jon Maloy <jon.maloy@ericsson.com> | 2017-12-11 21:11:55 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-13 21:44:36 +0300 |
| commit | c545a945d0d9ea2ea2c7d23d43cf0d86e32cd7cf (patch) | |
| tree | 60223c66b9a9c5f74ece0905e9506155a5de0b5b | |
| parent | 83593010d3b87601e775f240ce46c53ddf25828d (diff) | |
| download | linux-c545a945d0d9ea2ea2c7d23d43cf0d86e32cd7cf.tar.xz | |
tipc: eliminate potential memory leak
In the function tipc_sk_mcast_rcv() we call refcount_dec(&skb->users)
on received sk_buffers. Since the reference counter might hit zero at
this point, we have a potential memory leak.
We fix this by replacing refcount_dec() with kfree_skb().
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/tipc/socket.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 5d18c0caa92b..41127d0b925e 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -1140,7 +1140,7 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq, __skb_dequeue(arrvq); __skb_queue_tail(inputq, skb); } - refcount_dec(&skb->users); + kfree_skb(skb); spin_unlock_bh(&inputq->lock); continue; } |