1 files changed, 2 insertions, 2 deletions

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 6980625537ca..386c15369d91 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -723,11 +723,11 @@ static int br_multicast_igmp3_report(struct net_bridge *br,
                 if (!pskb_may_pull(skb, len))
                         return -EINVAL;
 
-                grec = (void *)(skb->data + len);
+                grec = (void *)(skb->data + len - sizeof(*grec));
                 group = grec->grec_mca;
                 type = grec->grec_type;
 
-                len += grec->grec_nsrcs * 4;
+                len += ntohs(grec->grec_nsrcs) * 4;
                 if (!pskb_may_pull(skb, len))
                         return -EINVAL;