linux-kernel - Re: [PATCH] x86/PCI: setup data may be in highmem

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: <1370690146.2938.64.camel@sauron.fi.intel.com>
Date:	Sat, 08 Jun 2013 14:15:46 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, x86@...nel.org,
	Matt Fleming <matt.fleming@...el.com>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Seth Forshee <seth.forshee@...onical.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>, stable@...r.kernel.org
Subject: Re: [PATCH] x86/PCI: setup data may be in highmem

On Wed, 2013-05-22 at 10:43 +0100, Matt Fleming wrote:
> From: Matt Fleming <matt.fleming@...el.com>
> 
> pcibios_add_device() assumes that the physical addresses stored in
> setup_data are accessible via the direct kernel mapping, and that
> calling phys_to_virt() is valid. This isn't guaranteed to be true on x86
> where the direct mapping range is much smaller than on x86-64.
> 
> Calling phys_to_virt() on a highmem address results in the following,

Fixes paging request oops for me as well, thanks! Would you please add a
-stable tag to this patch?

-- 
Best Regards,
Artem Bityutskiy

--
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/