Michael Niedermayer 71ecb3d626 libavcodec/cbs_apv_syntax_template: limit tile to 2gb ...

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>
(cherry picked from commit 4666c1eed3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2025-11-19 02:04:59 +01:00

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