From 948969a457e89903d180d01cbcbfee59c16f5bb5 Mon Sep 17 00:00:00 2001
From: Kangjie Lu <kangjielu@gmail.com>
Date: Thu, 2 Jun 2016 04:11:20 -0400
Subject: [PATCH] rds: fix an infoleak in rds_inc_info_copy

commit 4116def2337991b39919f3b448326e21c40e0dbb upstream.

The last field "flags" of object "minfo" is not initialized.
Copying this object out may leak kernel stack data.
Assign 0 to it to avoid leak.

Signed-off-by: Kangjie Lu <kjlu@gatech.edu>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 net/rds/recv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/rds/recv.c b/net/rds/recv.c
index 96a1239c05c2..9e28c993584a 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -544,5 +544,7 @@ void rds_inc_info_copy(struct rds_incoming *inc,
 		minfo.fport = inc->i_hdr.h_dport;
 	}
 
+	minfo.flags = 0;
+
 	rds_info_copy(iter, &minfo, sizeof(minfo));
 }
-- 
2.39.5