linux-kernel - [PATCH 3.10 05/20] clk: versatile: off by one in clk_sp810_timerclken_of

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20150919171737.874935300@linuxfoundation.org>
Date:	Sat, 19 Sep 2015 10:27:20 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>,
	Pawel Moll <pawel.moll@....com>,
	Stephen Boyd <sboyd@...eaurora.org>
Subject: [PATCH 3.10 05/20] clk: versatile: off by one in clk_sp810_timerclken_of_get()

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@...cle.com>

commit 3294bee87091be5f179474f6c39d1d87769635e2 upstream.

The ">" should be ">=" or we end up reading beyond the end of the array.

Fixes: 6e973d2c4385 ('clk: vexpress: Add separate SP810 driver')
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Acked-by: Pawel Moll <pawel.moll@....com>
Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/clk/versatile/clk-sp810.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/clk/versatile/clk-sp810.c
+++ b/drivers/clk/versatile/clk-sp810.c
@@ -128,8 +128,8 @@ struct clk *clk_sp810_timerclken_of_get(
 {
 	struct clk_sp810 *sp810 = data;
 
-	if (WARN_ON(clkspec->args_count != 1 || clkspec->args[0] >
-			ARRAY_SIZE(sp810->timerclken)))
+	if (WARN_ON(clkspec->args_count != 1 ||
+		    clkspec->args[0] >=	ARRAY_SIZE(sp810->timerclken)))
 		return NULL;
 
 	return sp810->timerclken[clkspec->args[0]].clk;


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/