[Ffmpeg-devel] [PATCH] different vorbis extradata handling

[Nico Sabbi]

Michael Niedermayer wrote:

>>+    offset += xiphlacing(&ptr[offset], priv->len[1]);
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>looks possibly exploitable if a packet is larger then 64*255= 16320
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what value do you advise?

>>                 st->codec.extradata_size = extradata_size;
>>+                av_log(matroska->ctx, AV_LOG_INFO, "EXTRA: %p, SIZE: %d\n", 
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>extradata, extradata_size);
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>>             } else if(track->codec_priv && track->codec_priv_size > 0){
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>hmm forgoten debug av_log() ?
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>[...]
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oops, yes