[FFmpeg-devel] [PATCH v1 1/3] avcodec: v4l2_m2m: fix races around freeing data on close

Jorge Ramirez-Ortiz jramirez at baylibre.com
Mon Jan 22 10:00:01 EET 2018

On 01/22/2018 12:25 AM, Mark Thompson wrote:
> On 19/01/18 16:40, Jorge Ramirez-Ortiz wrote:
>> On 01/19/2018 12:30 AM, Michael Niedermayer wrote:
>>> On Thu, Jan 18, 2018 at 09:24:20AM +0100, Jorge Ramirez-Ortiz wrote:
>>>> On 01/09/2018 11:56 PM, Jorge Ramirez-Ortiz wrote:
>>>>> From: Mark Thompson <sw at jkqxz.net>
>>>>> Refcount all of the context information. This also fixes a potential
>>>>> segmentation fault when accessing freed memory  (buffer returned after
>>>>> the codec has been closed).
>>>> just a follow up on the patchset (patches 1 to 3)
>>>> any feedback? shall I resend?
>>> Who is the maintainer of this code ?
>>> noone is listed for it MAINTAINERS
>>> if someone volunteers to maintain it and there are no objections
>>> then that person would get git write access and could push patches
>>> and then bugfixes wont be stuck so long ...
>>> If someone wants to volunteer in that sense, then please send a patch
>>> for the MAINTAINER file
>> sure I can send such a patch ( unless Mark Thompson has an interest in maintaining it -since he did most of the reviews of the whole patchset IIRC- Baylibre will give me time to maintain this code)
> I only have peripheral interest in the v4l2 stuff and only one board to test on, so I don't really feel up to maintaining it - if you're happy to be responsible for it then please go ahead.


>   (I'm still available to look at patches and test stuff as I do now if that's helpful.)

yes please - at the moment I only have the db820c whose v4l2 kernel 
support is still being improved. I'll order another board with more 
stable v4l2 support for this activity so I can complete the 
restart/resolution changes.


> Thanks,
> - Mark
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