linux-kernel - Re: linux-4.1-rc7/drivers/irqchip/irq-renesas-intc-irqpin.c:418: array index used before limits check ?

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 for Android: free password hash cracker in your pocket

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

Message-ID: <alpine.DEB.2.11.1506081508450.4133@nanos>
Date:	Mon, 8 Jun 2015 15:10:50 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	David Binderman <dcb314@...mail.com>
cc:	"jason@...edaemon.net" <jason@...edaemon.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: linux-4.1-rc7/drivers/irqchip/irq-renesas-intc-irqpin.c:418:
 array index used before limits check ?

On Mon, 8 Jun 2015, David Binderman wrote:

> Hello there,
> 
> [linux-4.1-rc7/drivers/irqchip/irq-renesas-intc-irqpin.c:418]: (style) Array ind
> ex 'k' is used before limits check.
> 
>    if (!io[k] && k < INTC_IRQPIN_REG_NR_MANDATORY) {
> 
> Suggest sanity check array index before use.

Which version of gcc is being stupid here?

Thanks,

	tglx