mirror of https://git.ffmpeg.org/ffmpeg.git
libavformat/avidec: check memory allocation
Memory allocation for AVIOContext should be checked. In this code, all error conditions are sent to the "goto error". Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -1072,11 +1072,15 @@ static int read_gab2_sub(AVFormatContext *s, AVStream *st, AVPacket *pkt)
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ff_const59 AVInputFormat *sub_demuxer;
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AVRational time_base;
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int size;
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AVProbeData pd;
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unsigned int desc_len;
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AVIOContext *pb = avio_alloc_context(pkt->data + 7,
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pkt->size - 7,
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0, NULL, NULL, NULL, NULL);
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AVProbeData pd;
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unsigned int desc_len = avio_rl32(pb);
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if (!pb)
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goto error;
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desc_len = avio_rl32(pb);
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if (desc_len > pb->buf_end - pb->buf_ptr)
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goto error;
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