lkml.org 
[lkml]   [2018]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 11/18] staging: gasket: always allow root open for write
On Sat, Jul 14, 2018 at 1:25 AM, Dmitry Torokhov <dtor@chromium.org> wrote:
> On Sat, Jul 14, 2018 at 8:58 AM Todd Poynor <toddpoynor@gmail.com> wrote:
>>
>> From: Todd Poynor <toddpoynor@google.com>
>>
>> Always allow root to open device for writing.
>>
>> Drop special-casing of ioctl permissions for root vs. owner.
>>
>> Reported-by: Dmitry Torokhov <dtor@chromium.org>
>> Signed-off-by: Zhongze Hu <frankhu@chromium.org>
>> Signed-off-by: Todd Poynor <toddpoynor@google.com>
>
> I think this patch is good as is, but as a followup you should create
> a patch that supports user namespaces, i.e. replaces
> capable(CAP_SYS_ADMIN) with ns_capable(...) in gasket_open() so you
> can allow containers to control the device, if necessary.

Thanks, I'll add that to the list.

>
> Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
>
> Thanks,
> Dmitry



--
Todd

\
 
 \ /
  Last update: 2018-07-16 23:22    [W:0.082 / U:13.492 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site