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authorDavid S. Miller <davem@davemloft.net>2011-07-06 07:30:59 -0700
committerDavid S. Miller <davem@davemloft.net>2011-07-06 07:30:59 -0700
commitaec27311c23a8ce8eaf490762249d3ed74be83b6 (patch)
tree51a789724f43439d5aff9ddc4d87cd4d00397489 /net/packet
parentdc7f9f6e8838556f226c2ebd1da7bb305cb25654 (diff)
downloadtalos-op-linux-aec27311c23a8ce8eaf490762249d3ed74be83b6.tar.gz
talos-op-linux-aec27311c23a8ce8eaf490762249d3ed74be83b6.zip
packet: Fix leak in pre-defrag support.
When we clone the SKB, we forget about the original one. Avoid this problem by using skb_share_check(). Reported-by: Penttilä Mika <mika.penttila@ixonos.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/packet')
-rw-r--r--net/packet/af_packet.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 41f0489ff665..aec50a1e9849 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -476,7 +476,7 @@ static struct sk_buff *fanout_check_defrag(struct sk_buff *skb)
return skb;
if (ip_is_fragment(ip_hdr(skb))) {
- skb = skb_clone(skb, GFP_ATOMIC);
+ skb = skb_share_check(skb, GFP_ATOMIC);
if (skb) {
if (pskb_trim_rcsum(skb, len))
return skb;
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