[FFmpeg-devel] [PATCH 2/2] avformat/concatdec: Check recursion depth

[Michael Niedermayer]

On Mon, Jul 07, 2025 at 01:05:35PM +0200, Nicolas George wrote:
> Michael Niedermayer (HE12025-07-07):
> > This variant is easy backportable but is concatdec specific
> > 
> > Fixes: self_ref.ffconcat
> > Reported-by: Yuhao Jiang <danisjiang at gmail.com>
> > Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> > ---
> >  libavformat/concatdec.c | 11 +++++++++++
> >  1 file changed, 11 insertions(+)
> 
> What use case is it meant to fix?

not overflowing the stack from unlimited recursion
(on some platforms it will stop by exhausting file ids first but we should
 not rely on that)

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Some Animals are More Equal Than Others. - George Orwell's book Animal Farm
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