[PATCH][1/3] IPoIB: set skb->mac.raw on receive

From: Roland Dreier
Date: Thu Mar 31 2005 - 23:01:32 EST


From: Hal Rosenstock <halr@xxxxxxxxxxxx>

Set skb->mac.raw on receive. This fixes crashes when this is
dereferenced, for example by netfilter or when PF_PACKET is used.

Signed-off-by: Hal Rosenstock <halr@xxxxxxxxxxxx>
Signed-off-by: Roland Dreier <roland@xxxxxxxxxxx>

--- linux-export.orig/drivers/infiniband/ulp/ipoib/ipoib_ib.c 2005-03-31 19:07:06.912605203 -0800
+++ linux-export/drivers/infiniband/ulp/ipoib/ipoib_ib.c 2005-03-31 19:23:30.599053347 -0800
@@ -201,7 +201,7 @@
if (wc->slid != priv->local_lid ||
wc->src_qp != priv->qp->qp_num) {
skb->protocol = ((struct ipoib_header *) skb->data)->proto;
-
+ skb->mac.raw = skb->data;
skb_pull(skb, IPOIB_ENCAP_LEN);

dev->last_rx = jiffies;

-
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