libavformat/oggparsevorbis.c:350: error: Buffer Overrun L2
  Offset: [0, 9223372036854775808] Size: 64 by call to `avpriv_vorbis_parse_frame`.

libavformat/oggparsevorbis.c:344:9: Assignment
342.             s->streams[idx]->duration -= s->streams[idx]->start_time;
343.         s->streams[idx]->cur_dts = AV_NOPTS_VALUE;
344.         priv->final_pts          = AV_NOPTS_VALUE;
             ^
345.         avpriv_vorbis_parse_reset(&priv->vp);
346.     }

libavformat/oggparsevorbis.c:345:9: Call
343.         s->streams[idx]->cur_dts = AV_NOPTS_VALUE;
344.         priv->final_pts          = AV_NOPTS_VALUE;
345.         avpriv_vorbis_parse_reset(&priv->vp);
             ^
346.     }
347. 

libavcodec/vorbis_parser.c:237:1: Parameter `s->valid_extradata`
  235. }
  236. 
  237. void avpriv_vorbis_parse_reset(VorbisParseContext *s)
       ^
  238. {
  239.     if (s->valid_extradata)

libavformat/oggparsevorbis.c:350:20: Call
348.     /* parse packet duration */
349.     if (os->psize > 0) {
350.         duration = avpriv_vorbis_parse_frame(&priv->vp, os->buf + os->pstart, 1);
                        ^
351.         if (duration <= 0) {
352.             os->pflags |= AV_PKT_FLAG_CORRUPT;

libavcodec/vorbis_parser.c:204:1: <Offset trace>
202. }
203. 
204. int avpriv_vorbis_parse_frame(VorbisParseContext *s, const uint8_t *buf,
     ^
205.                               int buf_size)
206. {

libavcodec/vorbis_parser.c:204:1: Parameter `s->mode_count`
  202. }
  203. 
  204. int avpriv_vorbis_parse_frame(VorbisParseContext *s, const uint8_t *buf,
       ^
  205.                               int buf_size)
  206. {

libavcodec/vorbis_parser.c:204:1: <Length trace>
202. }
203. 
204. int avpriv_vorbis_parse_frame(VorbisParseContext *s, const uint8_t *buf,
     ^
205.                               int buf_size)
206. {

libavcodec/vorbis_parser.c:204:1: Parameter `s->mode_blocksize[*]`
  202. }
  203. 
  204. int avpriv_vorbis_parse_frame(VorbisParseContext *s, const uint8_t *buf,
       ^
  205.                               int buf_size)
  206. {

libavcodec/vorbis_parser.c:229:33: Array access: Offset: [0, 9223372036854775808] Size: 64 by call to `avpriv_vorbis_parse_frame` 
  227.             previous_blocksize = s->blocksize[flag];
  228.         }
  229.         current_blocksize     = s->mode_blocksize[mode];
                                       ^
  230.         duration              = (previous_blocksize + current_blocksize) >> 2;
  231.         s->previous_blocksize = current_blocksize;
