Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1489254
| Path | csiph.com!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| Newsgroups | linux.kernel |
| Subject | [PATCH 4.7 171/184] mips: copy_from_user() must zero the destination on access_ok() failure |
| Date | Thu, 22 Sep 2016 20:00:04 +0200 |
| Message-ID | <skgrW-10r-101@gated-at.bofh.it> (permalink) |
| References | <skgid-VW-5@gated-at.bofh.it> |
| X-Original-To | linux-kernel@vger.kernel.org |
| X-Mailer | git-send-email 2.10.0 |
| User-Agent | quilt/0.64 |
| MIME-Version | 1.0 |
| Content-Type | text/plain; charset=UTF-8 |
| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 34 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Al Viro <viro@zeniv.linux.org.uk> |
| X-Original-Date | Thu, 22 Sep 2016 19:41:45 +0200 |
| X-Original-Message-ID | <20160922174056.018885691@linuxfoundation.org> |
| X-Original-References | <20160922174048.653794923@linuxfoundation.org> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1489254 |
Show key headers only | View raw
4.7-stable review patch. If anyone has any objections, please let me know.
------------------
From: Al Viro <viro@zeniv.linux.org.uk>
commit e69d700535ac43a18032b3c399c69bf4639e89a2 upstream.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/mips/include/asm/uaccess.h | 3 +++
1 file changed, 3 insertions(+)
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -14,6 +14,7 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/thread_info.h>
+#include <linux/string.h>
#include <asm/asm-eva.h>
/*
@@ -1170,6 +1171,8 @@ extern size_t __copy_in_user_eva(void *_
__cu_len = __invoke_copy_from_user(__cu_to, \
__cu_from, \
__cu_len); \
+ } else { \
+ memset(__cu_to, 0, __cu_len); \
} \
} \
__cu_len; \
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
[PATCH 4.7 171/184] mips: copy_from_user() must zero the destination on access_ok() failure Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-09-22 20:00 +0200
csiph-web