-stable review patch. If anyone has any objections, please let us know.
------------------
From: Patrick McHardy <[EMAIL PROTECTED]>
[NETFILTER]: nfnetlink_log: fix crash on bridged packet
physoutdev is only set on purely bridged packet, when nfnetlink_log is used
in the OUTPUT/FORWARD/POSTROUTING hooks on packets forwarded from or to a
bridge it crashes when trying to dereference skb->nf_bridge->physoutdev.
Reported by Holger Eitzenberger <[EMAIL PROTECTED]>
Signed-off-by: Patrick McHardy <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
net/netfilter/nfnetlink_log.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -491,7 +491,7 @@ __build_packet_message(struct nfulnl_ins
* for physical device (when called from ipv4) */
NFA_PUT(inst->skb, NFULA_IFINDEX_OUTDEV,
sizeof(tmp_uint), &tmp_uint);
- if (skb->nf_bridge) {
+ if (skb->nf_bridge && skb->nf_bridge->physoutdev) {
tmp_uint =
htonl(skb->nf_bridge->physoutdev->ifindex);
NFA_PUT(inst->skb, NFULA_IFINDEX_PHYSOUTDEV,
--
-
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