linux-kernel - [PATCH] Missing __user in pointer referenced within copy_from

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Message-ID: <20070215200836.GA21689@redhat.com>
Date:	Thu, 15 Feb 2007 18:08:36 -0200
From:	Glauber de Oliveira Costa <gcosta@...hat.com>
To:	linux-kernel@...r.kernel.org, akpm@...l.org
Subject: [PATCH] Missing __user in pointer referenced within copy_from_user


Pointers to user data should be marked with a __user hint. This one is missing.

Signed-off-by: Glauber de Oliveira Costa <gcosta@...hat.com>
---
 fs/proc/base.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 4f5745a..01f7769 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -581,7 +581,7 @@ out_no_task:
 
 #ifndef mem_write
 /* This is a security hazard */
-static ssize_t mem_write(struct file * file, const char * buf,
+static ssize_t mem_write(struct file * file, const char __user *buf,
 			 size_t count, loff_t *ppos)
 {
 	int copied;
-- 
1.4.4.2
-
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