Michael Niedermayer dab1cd2dc0 avcodec/vp3: Check width to avoid assertion failure ...

Fixes: Assertion failure on x86-32
       av_assert2(block_w * sizeof(pixel) <= FFABS(buf_linesize)); in ff_emulated_edge_mc()
Fixes: 39641/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THEORA_fuzzer-5925660741206016

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2023-04-02 23:54:48 +02:00

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