linux-kernel - Re: [PATCH 4/6] driver core: Don't leak secondary fwnode on device removal

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: <6868582.iUcUV1Tb36@vostro.rjw.lan>
Date:	Wed, 17 Aug 2016 02:38:50 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Lukas Wunner <lukas@...ner.de>
Cc:	linux-efi@...r.kernel.org, Matt Fleming <matt@...eblueprint.co.uk>,
	linux-kernel@...r.kernel.org,
	Andreas Noever <andreas.noever@...il.com>,
	Pierre Moreau <pierre.morrow@...e.fr>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH 4/6] driver core: Don't leak secondary fwnode on device removal

On Thursday, July 28, 2016 02:25:41 AM Lukas Wunner wrote:
> If device_add_property_set() is called for a device, a secondary fwnode
> is allocated and assigned to the device but currently not freed once the
> device is removed.
> 
> This can be triggered on Apple Macs if a Thunderbolt device is plugged
> in on boot since Apple's NHI EFI driver sets a number of properties for
> that device which are leaked on unplug.
> 
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> Cc: Mika Westerberg <mika.westerberg@...ux.intel.com>
> Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Cc: Andreas Noever <andreas.noever@...il.com>
> Signed-off-by: Lukas Wunner <lukas@...ner.de>

ACK, or I can apply it directly if you want me to do that.

Thanks,
Rafael