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-rw-r--r--net/llc/llc_s_ac.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/llc/llc_s_ac.c b/net/llc/llc_s_ac.c
index 9fa3342c7a82..df26557a0244 100644
--- a/net/llc/llc_s_ac.c
+++ b/net/llc/llc_s_ac.c
@@ -153,6 +153,9 @@ int llc_sap_action_send_test_r(struct llc_sap *sap, struct sk_buff *skb)
int rc = 1;
u32 data_size;
+ if (skb->mac_len < ETH_HLEN)
+ return 1;
+
llc_pdu_decode_sa(skb, mac_da);
llc_pdu_decode_da(skb, mac_sa);
llc_pdu_decode_ssap(skb, &dsap);