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Date: Fri, 6 Dec 2019 14:49:23 +0100 From: Håkon Bugge <haakon.bugge@...cle.com> To: "David S . Miller" <davem@...emloft.net> Cc: netdev@...r.kernel.org Subject: [PATCH net] net: netlink: Fix uninit-value in netlink_recvmsg() If skb_recv_datagram() returns NULL, netlink_recvmsg() will return an arbitrarily value. Signed-off-by: Håkon Bugge <haakon.bugge@...cle.com> --- net/netlink/af_netlink.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 90b2ab9dd449..bb7276f9c9f8 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1936,6 +1936,7 @@ static int netlink_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, return -EOPNOTSUPP; copied = 0; + err = 0; skb = skb_recv_datagram(sk, flags, noblock, &err); if (skb == NULL) -- 2.20.1
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