[FFmpeg-devel] Massive memory leak in 6.1.1 (fixed on master)

[Dennis Mungai]

On Wed, 1 May 2024, 22:44 James Almer, <jamrial at gmail.com> wrote:

> On 5/1/2024 4:40 PM, Dennis Mungai wrote:
> > On Wed, 1 May 2024, 21:40 James Almer, <jamrial at gmail.com> wrote:
> >
> >> On 5/1/2024 1:52 PM, Ville Syrjälä wrote:
> >>> Hi,
> >>>
> >>> I ran into a massive memory leak while transcoding some audio
> >>> books after upgrading to ffmpeg 6.1.1 from 6.0.1.
> >>>
> >>> Instead of the normal ~100 MiB rss it now exceeds 10 GiB in about
> >>> ten seconds and keeps on going up.
> >>>
> >>> Command line used was approximately this:
> >>> ffmpeg -activation_bytes XXX -i book.aax -map 0:a -map 0:v -c:a mp3
> -c:v
> >> copy \
> >>> -ss 0.000000 -to 909.038005 -metadata track="1/69" -metadata
> >> title="Chapter 1" book_01.mp3
> >>>
> >>> Bisect points to:
> >>> commit 90fba2774304 ("avfilter/trim: switch to activate")
> >>>
> >>> I then tried master and discovered that the leak is has been
> >>> fixed by these two commits:
> >>> commit 84e400ae37b1 ("avfilter/buffersrc: switch to activate")
> >>> commit d9e41ead8226 ("avfilter/avfilter: fix OOM case for default
> >> activate")
> >>>
> >>> So those should be cherry-picked to the next 6.1 release (assuming
> >>> there will be one). Both cherry-pick cleanly, and afterwards the
> >>> leak is gone from the 6.1 branch as well.
> >>
> >> Just backported both commits. Thanks.
> >>
> >
> > Is this patchset available on FFmpeg 7.x?
>
> Yes.
>

Perfect, thanks.

>