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avcodec/speedhq: Width < 8 is not supported
Fixes: out of array access Fixes: 31733/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEDHQ_fuzzer-4704307963363328 Fixes: 31736/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEDHQ_fuzzer-6190960292790272 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 462b8261aa3c4f9844b2e050c74b9a2018e3649d) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -424,7 +424,7 @@ static int speedhq_decode_frame(AVCodecContext *avctx,
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uint32_t second_field_offset;
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int ret;
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if (buf_size < 4)
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if (buf_size < 4 || avctx->width < 8)
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return AVERROR_INVALIDDATA;
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quality = buf[0];
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