[3.11.y.z extended stable] Patch "RDMA/cxgb4: Fix four byte info leak in c4iw_create_cq()" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Thu Jun 26 10:35:52 UTC 2014


This is a note to let you know that I have just added a patch titled

    RDMA/cxgb4: Fix four byte info leak in c4iw_create_cq()

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From 3c2f2fbca27c5677e33c82f6aeeccc277a8518b5 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter at oracle.com>
Date: Sat, 19 Oct 2013 12:14:35 +0300
Subject: RDMA/cxgb4: Fix four byte info leak in c4iw_create_cq()

commit e24a72a3302a638d4c6e77f0b40c45cc61c3f089 upstream.

There is a four byte hole at the end of the "uresp" struct after the
->qid_mask member.

Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Signed-off-by: Roland Dreier <roland at purestorage.com>
[ luis: 3.11.y prereq for:
  b6f04d3d2145 "RDMA/cxgb4: Add missing padding at end of struct c4iw_create_cq_resp" ]
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/infiniband/hw/cxgb4/cq.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index 0f1607c8325a..da9364ea03dd 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -833,6 +833,7 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries,
 		if (!mm2)
 			goto err4;

+		memset(&uresp, 0, sizeof(uresp));
 		uresp.qid_mask = rhp->rdev.cqmask;
 		uresp.cqid = chp->cq.cqid;
 		uresp.size = chp->cq.size;
--
1.9.1





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