James Zern b2b07755e0 vp9: check tile column count
the max is 6. there are assumptions throughout the decode regarding
this; fixes a crash with a fuzzed bitstream

$ zzuf -s 5861 -r 0.01:0.05 -b 6- \
  < vp90-2-00-quantizer-00.webm.ivf \
  | dd of=invalid-vp90-2-00-quantizer-00.webm.ivf.s5861_r01-05_b6-.ivf \
    bs=1 count=81883

Change-Id: I6af41bb34252e88bc156a4c27c80d505d45f5642
2014-06-24 19:26:11 -07:00
..
2014-03-12 14:34:34 -07:00
2014-05-07 13:55:08 -07:00
2013-09-06 10:13:49 -07:00
2014-03-12 14:34:34 -07:00
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2014-06-24 19:26:11 -07:00
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2014-02-19 14:17:55 -08:00