Re: VIVID/VIMC and media fuzzing

2018-12-08 Thread Dmitry Vyukov
On Fri, Dec 7, 2018 at 8:22 PM Helen Koike wrote: > >>> You also mentioned that one of the devices requires some complex setup > >>> via configfs. Is this interface described somewhere? Do you think it's > >>> more profitable to pre-setup some fixed configuration for each test > >>> process? Or

Re: VIVID/VIMC and media fuzzing

2018-12-07 Thread Helen Koike
Hi Dmitry, On 10/31/18 9:49 AM, Helen Koike wrote: > Hi Dmitry, > > On 10/31/18 7:46 AM, Hans Verkuil wrote: >> On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: >>> Hello Helen and linux-media, >>> >>> I've attended your talk "Shifting Media App Development into High >>> Gear" on OSS Summit last

Re: VIVID/VIMC and media fuzzing

2018-11-12 Thread Dmitry Vyukov
On Mon, Nov 12, 2018 at 7:11 AM, Hans Verkuil wrote: >> What would be a good improvement is if you add this to the kernel >> command options: >> "vivid.n_devs=2 vivid.multiplanar=1,2" >> >> This will create two vivid instances, one using the single planar API >> and one

Re: VIVID/VIMC and media fuzzing

2018-11-12 Thread Hans Verkuil
On 11/10/2018 08:28 PM, Dmitry Vyukov wrote: > On Sat, Nov 10, 2018 at 2:01 AM, Hans Verkuil wrote: >> On 11/09/2018 10:34 PM, Dmitry Vyukov wrote: > What would be a good improvement is if you add this to the kernel command > options: > "vivid.n_devs=2 vivid.multiplanar=1,2" >

Re: VIVID/VIMC and media fuzzing

2018-11-10 Thread Dmitry Vyukov
On Sat, Nov 10, 2018 at 2:01 AM, Hans Verkuil wrote: > On 11/09/2018 10:34 PM, Dmitry Vyukov wrote: What would be a good improvement is if you add this to the kernel command options: "vivid.n_devs=2 vivid.multiplanar=1,2" This will create two vivid instances, one using

Re: VIVID/VIMC and media fuzzing

2018-11-10 Thread Hans Verkuil
On 11/09/2018 10:34 PM, Dmitry Vyukov wrote: >>> What would be a good improvement is if you add this to the kernel command >>> options: >>> "vivid.n_devs=2 vivid.multiplanar=1,2" >>> >>> This will create two vivid instances, one using the single planar API and >>> one using >>> the multiplanar

Re: VIVID/VIMC and media fuzzing

2018-11-09 Thread Dmitry Vyukov
On Fri, Nov 9, 2018 at 1:17 PM, Dmitry Vyukov wrote: > On Fri, Nov 9, 2018 at 6:16 AM, Hans Verkuil wrote: >> Hi Dmitry, >> >> On 11/02/18 18:15, Dmitry Vyukov wrote: >>> On Wed, Oct 31, 2018 at 10:46 AM, Hans Verkuil wrote: On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: > Hello Helen

Re: VIVID/VIMC and media fuzzing

2018-11-09 Thread Dmitry Vyukov
On Fri, Nov 9, 2018 at 6:16 AM, Hans Verkuil wrote: > Hi Dmitry, > > On 11/02/18 18:15, Dmitry Vyukov wrote: >> On Wed, Oct 31, 2018 at 10:46 AM, Hans Verkuil wrote: >>> On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: Hello Helen and linux-media, I've attended your talk "Shifting

Re: VIVID/VIMC and media fuzzing

2018-11-09 Thread Hans Verkuil
Hi Dmitry, On 11/02/18 18:15, Dmitry Vyukov wrote: > On Wed, Oct 31, 2018 at 10:46 AM, Hans Verkuil wrote: >> On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: >>> Hello Helen and linux-media, >>> >>> I've attended your talk "Shifting Media App Development into High >>> Gear" on OSS Summit last week

Re: VIVID/VIMC and media fuzzing

2018-11-02 Thread Dmitry Vyukov
On Wed, Oct 31, 2018 at 12:01 PM, Sean Young wrote: > On Wed, Oct 31, 2018 at 11:05:10AM +0100, Hans Verkuil wrote: >> CC-ing Sean Young: please see question at the end. >> >> On 10/31/2018 10:46 AM, Hans Verkuil wrote: >> > On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: >> >> Hello Helen and

Re: VIVID/VIMC and media fuzzing

2018-11-02 Thread Dmitry Vyukov
On Wed, Oct 31, 2018 at 10:46 AM, Hans Verkuil wrote: > On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: >> Hello Helen and linux-media, >> >> I've attended your talk "Shifting Media App Development into High >> Gear" on OSS Summit last week and approached you with some questions >> if/how this can

Re: VIVID/VIMC and media fuzzing

2018-10-31 Thread Tomasz Figa
Hi Dmitry, On Wed, Oct 31, 2018 at 6:46 PM Hans Verkuil wrote: > > On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: [snip] > > > > Do I understand it correctly that when a process opens /dev/video* or > > /dev/media* it gets a private instance of the device? In particular, > > if several processes

Re: VIVID/VIMC and media fuzzing

2018-10-31 Thread Helen Koike
Hi Dmitry, On 10/31/18 7:46 AM, Hans Verkuil wrote: > On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: >> Hello Helen and linux-media, >> >> I've attended your talk "Shifting Media App Development into High >> Gear" on OSS Summit last week and approached you with some questions >> if/how this can be

Re: VIVID/VIMC and media fuzzing

2018-10-31 Thread Sean Young
On Wed, Oct 31, 2018 at 11:05:10AM +0100, Hans Verkuil wrote: > CC-ing Sean Young: please see question at the end. > > On 10/31/2018 10:46 AM, Hans Verkuil wrote: > > On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: > >> Hello Helen and linux-media, > >> > >> I've attended your talk "Shifting Media

Re: VIVID/VIMC and media fuzzing

2018-10-31 Thread Hans Verkuil
CC-ing Sean Young: please see question at the end. On 10/31/2018 10:46 AM, Hans Verkuil wrote: > On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: >> Hello Helen and linux-media, >> >> I've attended your talk "Shifting Media App Development into High >> Gear" on OSS Summit last week and approached you

Re: VIVID/VIMC and media fuzzing

2018-10-31 Thread Hans Verkuil
On 10/30/2018 03:02 PM, Dmitry Vyukov wrote: > Hello Helen and linux-media, > > I've attended your talk "Shifting Media App Development into High > Gear" on OSS Summit last week and approached you with some questions > if/how this can be used for kernel testing. Thanks, turn out to be a > very

VIVID/VIMC and media fuzzing

2018-10-30 Thread Dmitry Vyukov
Hello Helen and linux-media, I've attended your talk "Shifting Media App Development into High Gear" on OSS Summit last week and approached you with some questions if/how this can be used for kernel testing. Thanks, turn out to be a very useful talk! I am working on syzkaller/syzbot, continuous