[FFmpeg-devel] Re: [PATCH 01/10] libavcodec/cbs_apv_syntax_template: limit tile to 2gb

[Michael Niedermayer via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

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Hi

On Thu, Jul 03, 2025 at 10:12:43PM +0200, Michael Niedermayer wrote:
> We do not support larger tiles as we use signed int
> Alternatively we can check this in apv_decode_tile_component() or init_get_bits*()
> or support bitstreams above 2gb length
> 
> Fixes: init_get_bits() failure later
> Fixes: 421817631/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APV_fuzzer-4957386534354944
> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
>  libavcodec/cbs_apv_syntax_template.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

will apply patchset except teh als one which is not replicatable

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Does the universe only have a finite lifespan? No, its going to go on
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