[PATCH] rds: fix an infoleak in rds_inc_info_copy

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 <redacted>
---
 net/rds/recv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/rds/recv.c b/net/rds/recv.c
index c0be1ec..8413f6c 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c

@@ -561,5 +561,7 @@ 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));
 }

-- 
2.7.4

On 6/2/2016 1:11 AM, Kangjie Lu wrote:

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 <redacted>
---
 net/rds/recv.c | 2 ++
 1 file changed, 2 insertions(+)

Acked-by: Santosh Shilimkar <redacted>

From: Kangjie Lu <redacted>
Date: Thu,  2 Jun 2016 04:11:20 -0400

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 <redacted>

Applied.