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avformat/aiffdec: Check for size overflow in header parsing
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int' Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6723467048255488 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 bae2e1977744f42d56b85193d4910811de829714) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -102,6 +102,9 @@ static int get_aiff_header(AVFormatContext *s, int size,
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int sample_rate;
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unsigned int num_frames;
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if (size == INT_MAX)
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return AVERROR_INVALIDDATA;
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if (size & 1)
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size++;
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par->codec_type = AVMEDIA_TYPE_AUDIO;
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