Hi Laurent,
On Tue, Dec 12, 2017 at 04:42:23PM +0200, Laurent Pinchart wrote:
...
> > > diff --git a/drivers/media/v4l2-core/v4l2-dev.c
> > > b/drivers/media/v4l2-core/v4l2-dev.c index c647ba648805..c73c6d49e7cf
> > > 100644
> > > --- a/drivers/media/v4l2-core/v4l2-dev.c
> > > +++ b/drivers/media/
Hi Mauro,
On Tuesday, 12 December 2017 14:39:32 EET Mauro Carvalho Chehab wrote:
> Em Thu, 23 Nov 2017 15:21:01 +0100 Greg Kroah-Hartman escreveu:
> > On Thu, Nov 23, 2017 at 11:07:51AM -0200, Mauro Carvalho Chehab wrote:
> >> Em Thu, 16 Nov 2017 02:33:48 +0200 Laurent Pinchart escreveu:
> >>> Dev
Hi Greg and Mauro,
On Thursday, 23 November 2017 16:21:01 EET Greg Kroah-Hartman wrote:
> On Thu, Nov 23, 2017 at 11:07:51AM -0200, Mauro Carvalho Chehab wrote:
> > Em Thu, 16 Nov 2017 02:33:48 +0200 Laurent Pinchart escreveu:
> >> Device unplug being asynchronous, it naturally races with operatio
Hi Mauro,
On Thursday, 23 November 2017 15:07:51 EET Mauro Carvalho Chehab wrote:
> Em Thu, 16 Nov 2017 02:33:48 +0200 Laurent Pinchart escreveu:
> > Device unplug being asynchronous, it naturally races with operations
> > performed by userspace through ioctls or other file operations on video
> >
Hi Hans,
On Friday, 17 November 2017 13:09:20 EET Hans Verkuil wrote:
> On 16/11/17 01:33, Laurent Pinchart wrote:
> > Device unplug being asynchronous, it naturally races with operations
> > performed by userspace through ioctls or other file operations on video
> > device nodes.
> >
> > This le
Hi Kieran,
On Thursday, 16 November 2017 16:47:11 EET Kieran Bingham wrote:
> On 16/11/17 12:32, Sakari Ailus wrote:
> > Hi Laurent,
> >
> > Thank you for the initiative to bring up and address the matter!
>
> I concur - this looks like a good start towards managing the issue.
>
> One potential
Hi Sakari,
On Thursday, 16 November 2017 14:32:37 EET Sakari Ailus wrote:
> On Thu, Nov 16, 2017 at 02:33:48AM +0200, Laurent Pinchart wrote:
> > Device unplug being asynchronous, it naturally races with operations
> > performed by userspace through ioctls or other file operations on video
> > dev
Em Thu, 23 Nov 2017 15:21:01 +0100
Greg Kroah-Hartman escreveu:
> On Thu, Nov 23, 2017 at 11:07:51AM -0200, Mauro Carvalho Chehab wrote:
> > Hi Laurent,
> >
> > Em Thu, 16 Nov 2017 02:33:48 +0200
> > Laurent Pinchart escreveu:
> >
> > > Device unplug being asynchronous, it naturally races wi
On Thu, Nov 23, 2017 at 11:07:51AM -0200, Mauro Carvalho Chehab wrote:
> Hi Laurent,
>
> Em Thu, 16 Nov 2017 02:33:48 +0200
> Laurent Pinchart escreveu:
>
> > Device unplug being asynchronous, it naturally races with operations
> > performed by userspace through ioctls or other file operations o
Hi Laurent,
Em Thu, 16 Nov 2017 02:33:48 +0200
Laurent Pinchart escreveu:
> Device unplug being asynchronous, it naturally races with operations
> performed by userspace through ioctls or other file operations on video
> device nodes.
>
> This leads to potential access to freed memory or to oth
Hi Laurent,
On 16/11/17 01:33, Laurent Pinchart wrote:
> Device unplug being asynchronous, it naturally races with operations
> performed by userspace through ioctls or other file operations on video
> device nodes.
>
> This leads to potential access to freed memory or to other resources
> during
Hi Laurent,
On 16/11/17 12:32, Sakari Ailus wrote:
> Hi Laurent,
>
> Thank you for the initiative to bring up and address the matter!
I concur - this looks like a good start towards managing the issue.
One potential thing spotted on top of Sakari's review inline below, of course I
suspect this
Hi Laurent,
Thank you for the initiative to bring up and address the matter!
On Thu, Nov 16, 2017 at 02:33:48AM +0200, Laurent Pinchart wrote:
> Device unplug being asynchronous, it naturally races with operations
> performed by userspace through ioctls or other file operations on video
> device
Device unplug being asynchronous, it naturally races with operations
performed by userspace through ioctls or other file operations on video
device nodes.
This leads to potential access to freed memory or to other resources
during device access if unplug occurs during device access. To solve
this,
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