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avcodec/scpr: Check for min > max in decompress_p()
Fixes: Timeout Fixes: 9342/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-4795990841229312 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 3378194ce8e9a126a7cc6ed57bedde1221790469) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -526,6 +526,9 @@ static int decompress_p(AVCodecContext *avctx,
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return ret;
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max += temp << 8;
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if (min > max)
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return AVERROR_INVALIDDATA;
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memset(s->blocks, 0, sizeof(*s->blocks) * s->nbcount);
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while (min <= max) {
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