[FFmpeg-devel] [PATCH] avcodec/put_bits: fix off be one

[Paul B Mahol]

On 1/24/16, Paul B Mahol <onemda at gmail.com> wrote:
> On 1/24/16, Ronald S. Bultje <rsbultje at gmail.com> wrote:
>> Hi,
>>
>> On Sun, Jan 24, 2016 at 11:41 AM, Paul B Mahol <onemda at gmail.com> wrote:
>>
>>> patch attached.
>>
>>
>> I think that's wrong. buf_end is buf_start+size, so if size=1, this
>> allows
>> writing up to and including buf_start[1], which overflows size=1.
>
> Assert happens otherwise when encoding flac.
>

ffmpeg -i http://granjow.net/uploads/kdenlive/samples/red-leaf-tips.avi o.flac