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-rw-r--r--net/packet/af_packet.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f12c17f..18d0bec 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3521,6 +3521,7 @@ static int packet_mc_add(struct sock *sk, struct packet_mreq_max *mreq)
i->ifindex = mreq->mr_ifindex;
i->alen = mreq->mr_alen;
memcpy(i->addr, mreq->mr_address, i->alen);
+ memset(i->addr + i->alen, 0, sizeof(i->addr) - i->alen);
i->count = 1;
i->next = po->mclist;
po->mclist = i;
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