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[1/7] iucv: prevent information leak in iucv_message

Message ID 1449830337-26091-2-git-send-email-ubraun@linux.vnet.ibm.com
State Superseded, archived
Delegated to: David Miller
Headers show

Commit Message

Ursula Braun Dec. 11, 2015, 10:38 a.m. UTC 
From: Eugene Crosser <Eugene.Crosser@ru.ibm.com>

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>
---
 net/iucv/af_iucv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 3ea4c98..5bc473b 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -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;