linux-kernel - Re: [patch] iwlwifi: range checking issue

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Message-ID: <1269879231.2446.3410.camel@rchatre-DESK>
Date:	Mon, 29 Mar 2010 09:13:51 -0700
From:	reinette chatre <reinette.chatre@...el.com>
To:	"Zhu, Yi" <yi.zhu@...el.com>
Cc:	Dan Carpenter <error27@...il.com>,
	Intel Linux Wireless <ilw@...ux.intel.com>,
	"John W. Linville" <linville@...driver.com>,
	"Kolekar, Abhijeet" <abhijeet.kolekar@...el.com>,
	"Berg, Johannes" <johannes.berg@...el.com>,
	"Guy, Wey-Yi W" <wey-yi.w.guy@...el.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: Re: [patch] iwlwifi: range checking issue

On Sun, 2010-03-28 at 19:01 -0700, Zhu, Yi wrote:
> On Sun, 2010-03-28 at 19:55 +0800, Dan Carpenter wrote:
> > IWL_RATE_COUNT is 13 and IWL_RATE_COUNT_LEGACY is 12.
> > 
> > IWL_RATE_COUNT_LEGACY is the right one here because iwl3945_rates
> > doesn't support 60M and also that's how "rates" is defined in
> > iwlcore_init_geos() from drivers/net/wireless/iwlwifi/iwl-core.c.
> > 
> >         rates = kzalloc((sizeof(struct ieee80211_rate) * IWL_RATE_COUNT_LEGACY),
> >                         GFP_KERNEL);
> > 
> > Signed-off-by: Dan Carpenter <error27@...il.com>
> 
> Acked-by: Zhu Yi <yi.zhu@...el.com>

Great catch. Since this is a fix for a buffer overflow ... could you
please pass it on to stable also?

Thank you

Reinette

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