Commit 0506eb01 authored Dec 11, 2015 by Eugene Crosser Committed by David S. Miller Dec 14, 2015

iucv: prevent information leak in iucv_message



Initialize storage for the future IUCV header that will be included
in the transmitted packet. Some of the header fields are unused with
HiperSockets transport, and will contain data left from some other
functions.

Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 5241c2d7

net/iucv/af_iucv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1031,7 +1031,7 @@ static int iucv_sock_sendmsg(struct socket sock, struct msghdr msg,
		struct sock *sk = sock->sk;
		struct iucv_sock *iucv = iucv_sk(sk);
		struct sk_buff *skb;
		struct iucv_message txmsg;
		struct iucv_message txmsg = {0};
		struct cmsghdr *cmsg;
		int cmsg_done;
		long timeo;