avformat/iamfdec: check nb_streams in header read
Fixes: Assertion pkt->stream_index < (unsigned)s->nb_streams && "Invalid stream index.\n" failed at libavformat/demux.c:572 Fixes: 67890/clusterfuzz-testcase-minimized-ffmpeg_dem_IAMF_fuzzer-5166340789829632.fuzz Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -154,6 +154,9 @@ static int iamf_read_header(AVFormatContext *s)
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}
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}
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if (!s->nb_streams)
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return AVERROR_INVALIDDATA;
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return 0;
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}
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