Hi,
On 08/30/2009 10:56 AM, Németh Márton wrote:
From: Márton Németh
Add NULL pointer check before the pointers are dereferenced.
The patch was tested with v4l-test 0.19 [1] together with
"Trust 610 LCD pow...@m Zoom" in webcam mode.
http://linuxtv.org/hg/~hgoede/libv4l/rev/c51a90c0f62f
Re
Laurent Pinchart wrote:
> On Monday 31 August 2009 15:19:32 Mauro Carvalho Chehab wrote:
>> Em Mon, 31 Aug 2009 08:52:38 +0200
>>
>> Laurent Pinchart escreveu:
- dereferencing a NULL pointer is not always result segfault, see [1]
and [2]. So dereferencing a NULL pointer can be treated a
On Monday 31 August 2009 15:19:32 Mauro Carvalho Chehab wrote:
> Em Mon, 31 Aug 2009 08:52:38 +0200
>
> Laurent Pinchart escreveu:
> > > - dereferencing a NULL pointer is not always result segfault, see [1]
> > > and [2]. So dereferencing a NULL pointer can be treated also as a
> > > security ris
Em Mon, 31 Aug 2009 08:52:38 +0200
Laurent Pinchart escreveu:
> > - dereferencing a NULL pointer is not always result segfault, see [1] and
> >[2]. So dereferencing a NULL pointer can be treated also as a security
> >risk.
>From kernelspace drivers POV, any calls sending a NULL pointe
On Monday 31 August 2009 07:51:28 Németh Márton wrote:
> Laurent Pinchart wrote:
> > On Sunday 30 August 2009 10:56:16 Németh Márton wrote:
> > > From: Márton Németh
> > >
> > > Add NULL pointer check before the pointers are dereferenced.
> >
> > Applications are not supposed to pass NULL pointers
Laurent Pinchart wrote:
> On Sunday 30 August 2009 10:56:16 Németh Márton wrote:
>> From: Márton Németh
>>
>> Add NULL pointer check before the pointers are dereferenced.
>
> Applications are not supposed to pass NULL pointers to those functions. It
> would be an API violation. Instead of silent
On Sunday 30 August 2009 10:56:16 Németh Márton wrote:
> From: Márton Németh
>
> Add NULL pointer check before the pointers are dereferenced.
Applications are not supposed to pass NULL pointers to those functions. It
would be an API violation. Instead of silently failing a segfault is better.
>
From: Márton Németh
Add NULL pointer check before the pointers are dereferenced.
The patch was tested with v4l-test 0.19 [1] together with
"Trust 610 LCD pow...@m Zoom" in webcam mode.
Reference:
[1] v4l-test: Test environment for Video For Linux Two API
http://v4l-test.sourceforge.net/
Pr
