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avcodec/sbcdec: Initialize number of channels
Fixes: out of array access Fixes: 17609/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SBC_fuzzer-5758729319874560 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Reviewed-by: Moritz Barsnick <barsnick@gmx.net> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -348,6 +348,7 @@ static int sbc_decode_frame(AVCodecContext *avctx,
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if (frame_length <= 0)
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return frame_length;
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avctx->channels =
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frame->channels = sbc->frame.channels;
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frame->format = AV_SAMPLE_FMT_S16P;
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frame->nb_samples = sbc->frame.blocks * sbc->frame.subbands;
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