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avformat/aaxdec: Check for empty segments
Fixes: Timeout
Fixes: 48154/clusterfuzz-testcase-minimized-ffmpeg_dem_AAX_fuzzer-5149094353436672
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 db31b3ea86
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -262,6 +262,8 @@ static int aax_read_header(AVFormatContext *s)
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start = avio_rb32(pb);
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size = avio_rb32(pb);
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if (!size)
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return AVERROR_INVALIDDATA;
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a->segments[r].start = start + a->data_offset;
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a->segments[r].end = a->segments[r].start + size;
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} else {
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