On 05/22/2013 02:24 PM, Kostya Shishkov wrote:
> On Wed, May 22, 2013 at 02:13:07PM +0200, Luca Barbato wrote:
>> ---
>>  libavcodec/wavpack.c | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
>> index cfcd22d..1c29b07 100644
>> --- a/libavcodec/wavpack.c
>> +++ b/libavcodec/wavpack.c
>> @@ -1203,6 +1203,9 @@ static int wavpack_decode_frame(AVCodecContext *avctx, 
>> void *data,
>>      int frame_size, ret, frame_flags;
>>      int samplecount = 0;
>>  
>> +    if (avpkt->size < 8 + (s->multichannel || s->mkv_mode) * 4)
>> +        return AVERROR_INVALIDDATA;
>> +
>>      s->block     = 0;
>>      s->ch_offset = 0;
>>  
>> -- 
> 
> For .WV demuxer it's 12 + 4*multichannel, for MKV it seems to be the same
> (http://matroska.org/technical/specs/codecid/wavpack.html)

Amended like this.

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