linux-kernel - Re: [patch] power_meter: acpi_device_class "power_meter

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]

Date:	Mon, 22 Mar 2010 11:13:27 -0700
From:	"Darrick J. Wong" <djwong@...ibm.com>
To:	Dan Carpenter <error27@...il.com>, Len Brown <lenb@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Márton Németh <nm127@...email.hu>,
	Lin Ming <ming.m.lin@...el.com>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch] power_meter: acpi_device_class "power_meter_resource"
	too long

On Fri, Mar 19, 2010 at 02:49:20PM +0300, Dan Carpenter wrote:
> acpi_device_class can only be 19 characters and a NULL terminator.
> 
> The current code has a buffer overflow in acpi_power_meter_add():
>        strcpy(acpi_device_class(device), ACPI_POWER_METER_CLASS);
> 
> Signed-off-by: Dan Carpenter <error27@...il.com>
> ---
> Feel free to change the name to anything you like.

How hard would it be to increase the size of that buffer?

(Or, is there a need to have "_resource" in that string at all?)

--D
--
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/