Hello.
On 2/29/2016 3:22 PM, Zhang Shengju wrote:
If skb_reorder_vlan_header() failed, skb is freed and NULL is returned.
Then at skb_vlan_untag(), it will free skbuff again which cause double
free.
This patch removes kfree_skb() call in function skb_reorder_vlan_header().
Signed-off-by: Zhang Shengju <[email protected]>
---
net/core/skbuff.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 488566b..1312d4b 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4350,7 +4350,6 @@ EXPORT_SYMBOL_GPL(skb_gso_transport_seglen);
static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
{
if (skb_cow(skb, skb_headroom(skb)) < 0) {
- kfree_skb(skb);
return NULL;
}
You now need to remove {}.
MBR, Sergei
