[PATCH] net: fix potential infoleak in rds_inc_info_copy

From: Kangjie Lu
Date: Wed Jun 01 2016 - 12:11:30 EST


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@xxxxxxxxxx>
---
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