avformat/rpl: reject invalid sample rate

Fixes overflow check for bit_rate multiplication few lines below. Found by OSS-Fuzz.

Kacper Michajłow committed 2 years ago

Commit a3d3a581 parent dce69ba1 file · +2 −0Browse files

Unified · Split

         ast->codecpar->codec_type      = AVMEDIA_TYPE_AUDIO;
         ast->codecpar->codec_tag       = audio_format;
         ast->codecpar->sample_rate     = read_line_and_int(pb, &error);  // audio bitrate
+        if (ast->codecpar->sample_rate < 0)
+            return AVERROR_INVALIDDATA;
         channels                       = read_line_and_int(pb, &error);  // number of audio channels
         error |= read_line(pb, line, sizeof(line));
         ast->codecpar->bits_per_coded_sample = read_int(line, &endptr, &error);  // audio bits per sample

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