From: Ben Hutchings <ben-/+tVBieCtBitmTQ+vhA3Yw@public.gmane.org>
To: stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [stable 3.2-3.16] IB/security: Restrict use of the write() interface
Date: Tue, 31 May 2016 03:40:50 +0100 [thread overview]
Message-ID: <20160531024050.GL7555@decadent.org.uk> (raw)
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This commit should be included in all stable branches:
commit e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3
Author: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Date: Sun Apr 10 19:13:13 2016 -0600
IB/security: Restrict use of the write() interface
When backporting, please fold the following change to the ipath driver
into the patch.
Ben.
Signed-off-by: Ben Hutchings <ben-/+tVBieCtBitmTQ+vhA3Yw@public.gmane.org>
---
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -44,6 +44,8 @@
#include <linux/cpu.h>
#include <asm/pgtable.h>
+#include <rdma/ib.h>
+
#include "ipath_kernel.h"
#include "ipath_common.h"
#include "ipath_user_sdma.h"
@@ -2239,6 +2241,9 @@ static ssize_t ipath_write(struct file *
ssize_t ret = 0;
void *dest;
+ if (WARN_ON_ONCE(!ib_safe_file_access(fp)))
+ return -EACCES;
+
if (count < sizeof(cmd.type)) {
ret = -EINVAL;
goto bail;
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WARNING: multiple messages have this Message-ID (diff)
From: Ben Hutchings <ben@decadent.org.uk>
To: stable@vger.kernel.org
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
Doug Ledford <dledford@redhat.com>,
linux-rdma@vger.kernel.org
Subject: [stable 3.2-3.16] IB/security: Restrict use of the write() interface
Date: Tue, 31 May 2016 03:40:50 +0100 [thread overview]
Message-ID: <20160531024050.GL7555@decadent.org.uk> (raw)
[-- Attachment #1: Type: text/plain, Size: 954 bytes --]
This commit should be included in all stable branches:
commit e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3
Author: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Date: Sun Apr 10 19:13:13 2016 -0600
IB/security: Restrict use of the write() interface
When backporting, please fold the following change to the ipath driver
into the patch.
Ben.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -44,6 +44,8 @@
#include <linux/cpu.h>
#include <asm/pgtable.h>
+#include <rdma/ib.h>
+
#include "ipath_kernel.h"
#include "ipath_common.h"
#include "ipath_user_sdma.h"
@@ -2239,6 +2241,9 @@ static ssize_t ipath_write(struct file *
ssize_t ret = 0;
void *dest;
+ if (WARN_ON_ONCE(!ib_safe_file_access(fp)))
+ return -EACCES;
+
if (count < sizeof(cmd.type)) {
ret = -EINVAL;
goto bail;
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next reply other threads:[~2016-05-31 2:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-31 2:40 Ben Hutchings [this message]
2016-05-31 2:40 ` [stable 3.2-3.16] IB/security: Restrict use of the write() interface Ben Hutchings
2016-08-14 15:43 ` Patch "IB/security: Restrict use of the write() interface" has been added to the 3.14-stable tree gregkh
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