net: fix setting of skb->tail in skb_recycle_check()
Since skb_reset_tail_pointer() reads skb->data, we need to set
skb->data before calling skb_reset_tail_pointer(). This was causing
spurious skb_over_panic()s from skb_put() being called on a recycled
skb that had its skb->tail set to beyond where it should have been.
Bug report from Peter van Valderen <linux@ddcrew.com>.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ebb6b94..d49ef83 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -486,8 +486,8 @@
shinfo->frag_list = NULL;
memset(skb, 0, offsetof(struct sk_buff, tail));
- skb_reset_tail_pointer(skb);
skb->data = skb->head + NET_SKB_PAD;
+ skb_reset_tail_pointer(skb);
return 1;
}