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Diffstat (limited to 'net/can/j1939/main.c')
-rw-r--r--net/can/j1939/main.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/can/j1939/main.c b/net/can/j1939/main.c
index 9bc55ecb37f9..8452b0fbb78c 100644
--- a/net/can/j1939/main.c
+++ b/net/can/j1939/main.c
@@ -75,6 +75,13 @@ static void j1939_can_recv(struct sk_buff *iskb, void *data)
skcb->addr.pgn = (cf->can_id >> 8) & J1939_PGN_MAX;
/* set default message type */
skcb->addr.type = J1939_TP;
+
+ if (!j1939_address_is_valid(skcb->addr.sa)) {
+ netdev_err_once(priv->ndev, "%s: sa is broadcast address, ignoring!\n",
+ __func__);
+ goto done;
+ }
+
if (j1939_pgn_is_pdu1(skcb->addr.pgn)) {
/* Type 1: with destination address */
skcb->addr.da = skcb->addr.pgn;