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-rw-r--r--kernel/net/ieee802154/socket.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/net/ieee802154/socket.c b/kernel/net/ieee802154/socket.c
index b60c65f70..627a25376 100644
--- a/kernel/net/ieee802154/socket.c
+++ b/kernel/net/ieee802154/socket.c
@@ -739,6 +739,12 @@ static int dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
sock_recv_ts_and_drops(msg, sk, skb);
if (saddr) {
+ /* Clear the implicit padding in struct sockaddr_ieee802154
+ * (16 bits between 'family' and 'addr') and in struct
+ * ieee802154_addr_sa (16 bits at the end of the structure).
+ */
+ memset(saddr, 0, sizeof(*saddr));
+
saddr->family = AF_IEEE802154;
ieee802154_addr_to_sa(&saddr->addr, &mac_cb(skb)->source);
*addr_len = sizeof(*saddr);