mirror of https://git.ffmpeg.org/ffmpeg.git
4xmdemux: prevent use of uninitialized memory
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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79964745b3
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@ -173,13 +173,15 @@ static int fourxm_read_header(AVFormatContext *s,
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goto fail;
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}
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if (current_track + 1 > fourxm->track_count) {
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fourxm->track_count = current_track + 1;
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fourxm->tracks = av_realloc(fourxm->tracks,
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fourxm->track_count * sizeof(AudioTrack));
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(current_track + 1) * sizeof(AudioTrack));
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if (!fourxm->tracks) {
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ret= AVERROR(ENOMEM);
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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memset(&fourxm->tracks[fourxm->track_count], 0,
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sizeof(AudioTrack) * (current_track + 1 - fourxm->track_count));
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fourxm->track_count = current_track + 1;
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}
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fourxm->tracks[current_track].adpcm = AV_RL32(&header[i + 12]);
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fourxm->tracks[current_track].channels = AV_RL32(&header[i + 36]);
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