lkml.org 
[lkml]   [2011]   [Feb]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: Regression - Xorg start failed
From
On Sun, Feb 13, 2011 at 07:22, Dave Young <hidave.darkstar@gmail.com> wrote:
> Finally I bisected it, results:
> 47970b1b2aa64464bc0a9543e86361a622ae7c03 is first bad commit
> commit 47970b1b2aa64464bc0a9543e86361a622ae7c03
> Author: Chris Wright <chrisw@sous-sol.org>
> Date:   Thu Feb 10 15:58:56 2011 -0800
>
>    pci: use security_capable() when checking capablities during config space read
>
>    Eric Paris noted that commit de139a3 ("pci: check caps from sysfs file
>    open to read device dependent config space") caused the capability check
>    to bypass security modules and potentially auditing.  Rectify this by
>    calling security_capable() when checking the open file's capabilities
>    for config space reads.
>
>    Reported-by: Eric Paris <eparis@redhat.com>
>    Signed-off-by: Chris Wright <chrisw@sous-sol.org>
>    Signed-off-by: James Morris <jmorris@namei.org>
>

Actually, even reading the PCI capabilities fails with lspci
reporting "Capabilities: <access denied>" if run as root.
"libpciaccess" should have handled this situation, but still
it looks like a regression and it breaks existing systems.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2011-02-13 09:19    [W:0.082 / U:2.012 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site