mirror of https://git.ffmpeg.org/ffmpeg.git
flvdec: allocate large enough buffer so get_bits() doesnt overread
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -112,7 +112,7 @@ static int flv_set_video_codec(AVFormatContext *s, AVStream *vstream, int flv_co
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vcodec->codec_id = CODEC_ID_VP6A;
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vcodec->codec_id = CODEC_ID_VP6A;
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if(vcodec->extradata_size != 1) {
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if(vcodec->extradata_size != 1) {
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vcodec->extradata_size = 1;
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vcodec->extradata_size = 1;
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vcodec->extradata = av_malloc(1);
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vcodec->extradata = av_malloc(1 + FF_INPUT_BUFFER_PADDING_SIZE);
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}
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}
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vcodec->extradata[0] = avio_r8(s->pb);
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vcodec->extradata[0] = avio_r8(s->pb);
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return 1; // 1 byte body size adjustment for flv_read_packet()
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return 1; // 1 byte body size adjustment for flv_read_packet()
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