linux-kernel - Re: [PATCH v1 1/2] platform/x86: wmi: Break possible infinite loop when parsing GUID

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: <ZJQJ3cCaHiwu8rVX@smile.fi.intel.com>
Date:   Thu, 22 Jun 2023 11:44:13 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Armin Wolf <W_Armin@....de>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mark Gross <markgross@...nel.org>
Subject: Re: [PATCH v1 1/2] platform/x86: wmi: Break possible infinite loop
 when parsing GUID

On Wed, Jun 21, 2023 at 11:20:04PM +0200, Armin Wolf wrote:
> Am 21.06.23 um 17:11 schrieb Andy Shevchenko:

...

> > -		if (WARN_ON(guid_parse(id->guid_string, &driver_guid)))
> 
> just an idea: how about printing an error/debug message in case of an
> malformed GUID?  This could be useful when searching for typos in GUIDs used
> by WMI drivers.

Commented on that separately.

...

> Works on my Dell Inspiron 3505, so for this patch:
> Tested-by: Armin Wolf <W_Armin@....de>

Thank you for testing!

-- 
With Best Regards,
Andy Shevchenko