Trap reference frames of invalid size
Trap reference frames of invalid size

A corrupt bitstream could refer to a reference frame that has no size.

Change-Id: I56c3b71a9dbb58b498e9969403e289c0e574f948

jacklicn/webm.libvpx,running770/libvpx,openpeer/libvpx_new,stewnorriss/libvpx,sanyaade-teachings/libvpx,GrokImageCompression/aom,matanbs/vp982,ittiamvpx/libvpx,turbulenz/libvpx,webmproject/libvpx,jdm/libvpx,turbulenz/libvpx,kleopatra999/webm.libvpx,matanbs/vp982,VTCSecureLLC/libvpx,webmproject/libvpx,turbulenz/libvpx,stewnorriss/libvpx,Topopiccione/libvpx,matanbs/vp982,mwgoldsmith/vpx,Topopiccione/libvpx,GrokImageCompression/aom,kim42083/webm.libvpx,GrokImageCompression/aom,liqianggao/libvpx,kalli123/webm.libvpx,kim42083/webm.libvpx,ittiamvpx/libvpx,Laknot/libvpx,shacklettbp/aom,matanbs/webm.libvpx,Suvarna1488/webm.libvpx,abwiz0086/webm.libvpx,kalli123/webm.libvpx,smarter/aom,kleopatra999/webm.libvpx,iniwf/webm.libvpx,n4t/libvpx,shareefalis/libvpx,n4t/libvpx,gshORTON/webm.libvpx,ShiftMediaProject/libvpx,cinema6/libvpx,liqianggao/libvpx,ShiftMediaProject/libvpx,jacklicn/webm.libvpx,GrokImageCompression/aom,Suvarna1488/webm.libvpx,luctrudeau/aom,openpeer/libvpx_new,altogother/webm.libvpx,WebRTC-Labs/libvpx,mbebenita/aom,jacklicn/webm.libvpx,running770/libvpx,hsueceumd/test_hui,luctrudeau/aom,mbebenita/aom,smarter/aom,lyx2014/libvpx_c,shyamalschandra/libvpx,iniwf/webm.libvpx,kalli123/webm.libvpx,Maria1099/webm.libvpx,stewnorriss/libvpx,WebRTC-Labs/libvpx,VTCSecureLLC/libvpx,Acidburn0zzz/webm.libvpx,webmproject/libvpx,sanyaade-teachings/libvpx,shareefalis/libvpx,webmproject/libvpx,ittiamvpx/libvpx-1,mwgoldsmith/libvpx,Suvarna1488/webm.libvpx,lyx2014/libvpx_c,smarter/aom,shareefalis/libvpx,zofuthan/libvpx,zofuthan/libvpx,VTCSecureLLC/libvpx,mwgoldsmith/vpx,kim42083/webm.libvpx,altogother/webm.libvpx,smarter/aom,zofuthan/libvpx,kalli123/webm.libvpx,kleopatra999/webm.libvpx,hsueceumd/test_hui,WebRTC-Labs/libvpx,mbebenita/aom,matanbs/vp982,Laknot/libvpx,Distrotech/libvpx,ittiamvpx/libvpx,kim42083/webm.libvpx,kleopatra999/webm.libvpx,matanbs/vp982,shyamalschandra/libvpx,altogother/webm.libvpx,kleopatra999/webm.libvpx,abwiz0086/webm.libvpx,altogother/webm.libvpx,running770/libvpx,shyamalschandra/libvpx,shyamalschandra/libvpx,sanyaade-teachings/libvpx,Distrotech/libvpx,mbebenita/aom,jdm/libvpx,mwgoldsmith/libvpx,turbulenz/libvpx,Suvarna1488/webm.libvpx,turbulenz/libvpx,hsueceumd/test_hui,shacklettbp/aom,ittiamvpx/libvpx,pcwalton/libvpx,jmvalin/aom,Laknot/libvpx,abwiz0086/webm.libvpx,felipebetancur/libvpx,reimaginemedia/webm.libvpx,charup/https---github.com-webmproject-libvpx-,VTCSecureLLC/libvpx,charup/https---github.com-webmproject-libvpx-,iniwf/webm.libvpx,zofuthan/libvpx,pcwalton/libvpx,shacklettbp/aom,shyamalschandra/libvpx,kalli123/webm.libvpx,WebRTC-Labs/libvpx,n4t/libvpx,liqianggao/libvpx,shyamalschandra/libvpx,kleopatra999/webm.libvpx,charup/https---github.com-webmproject-libvpx-,jmvalin/aom,gshORTON/webm.libvpx,Acidburn0zzz/webm.libvpx,Topopiccione/libvpx,VTCSecureLLC/libvpx,thdav/aom,VTCSecureLLC/libvpx,thdav/aom,Laknot/libvpx,goodleixiao/vpx,lyx2014/libvpx_c,lyx2014/libvpx_c,openpeer/libvpx_new,jacklicn/webm.libvpx,ittiamvpx/libvpx-1,Topopiccione/libvpx,stewnorriss/libvpx,stewnorriss/libvpx,luctrudeau/aom,reimaginemedia/webm.libvpx,thdav/aom,mwgoldsmith/libvpx,cinema6/libvpx,kalli123/webm.libvpx,Distrotech/libvpx,matanbs/webm.libvpx,Maria1099/webm.libvpx,ShiftMediaProject/libvpx,lyx2014/libvpx_c,iniwf/webm.libvpx,cinema6/libvpx,jmvalin/aom,Distrotech/libvpx,turbulenz/libvpx,Acidburn0zzz/webm.libvpx,mbebenita/aom,pcwalton/libvpx,running770/libvpx,smarter/aom,Topopiccione/libvpx,Topopiccione/libvpx,Maria1099/webm.libvpx,Suvarna1488/webm.libvpx,turbulenz/libvpx,matanbs/webm.libvpx,mbebenita/aom,felipebetancur/libvpx,mbebenita/aom,pcwalton/libvpx,smarter/aom,running770/libvpx,mwgoldsmith/vpx,jacklicn/webm.libvpx,jacklicn/webm.libvpx,hsueceumd/test_hui,altogother/webm.libvpx,Distrotech/libvpx,shacklettbp/aom,matanbs/vp982,ShiftMediaProject/libvpx,reimaginemedia/webm.libvpx,GrokImageCompression/aom,gshORTON/webm.libvpx,shacklettbp/aom,abwiz0086/webm.libvpx,matanbs/webm.libvpx,jmvalin/aom,webmproject/libvpx,mwgoldsmith/libvpx,shareefalis/libvpx,jdm/libvpx,openpeer/libvpx_new,zofuthan/libvpx,Maria1099/webm.libvpx,matanbs/vp982,webmproject/libvpx,goodleixiao/vpx,iniwf/webm.libvpx,reimaginemedia/webm.libvpx,cinema6/libvpx,felipebetancur/libvpx,Laknot/libvpx,stewnorriss/libvpx,felipebetancur/libvpx,goodleixiao/vpx,ittiamvpx/libvpx,Laknot/libvpx,hsueceumd/test_hui,Acidburn0zzz/webm.libvpx,turbulenz/libvpx,charup/https---github.com-webmproject-libvpx-,sanyaade-teachings/libvpx,cinema6/libvpx,hsueceumd/test_hui,Maria1099/webm.libvpx,abwiz0086/webm.libvpx,GrokImageCompression/aom,luctrudeau/aom,kim42083/webm.libvpx,cinema6/libvpx,sanyaade-teachings/libvpx,kim42083/webm.libvpx,goodleixiao/vpx,shacklettbp/aom,jdm/libvpx,ittiamvpx/libvpx-1,jdm/libvpx,WebRTC-Labs/libvpx,ittiamvpx/libvpx,openpeer/libvpx_new,shareefalis/libvpx,mwgoldsmith/vpx,liqianggao/libvpx,n4t/libvpx,felipebetancur/libvpx,iniwf/webm.libvpx,charup/https---github.com-webmproject-libvpx-,n4t/libvpx,matanbs/webm.libvpx,zofuthan/libvpx,Distrotech/libvpx,Maria1099/webm.libvpx,Acidburn0zzz/webm.libvpx,goodleixiao/vpx,jmvalin/aom,thdav/aom,mwgoldsmith/libvpx,thdav/aom,ittiamvpx/libvpx-1,abwiz0086/webm.libvpx,mbebenita/aom,jmvalin/aom,matanbs/webm.libvpx,Suvarna1488/webm.libvpx,liqianggao/libvpx,pcwalton/libvpx,altogother/webm.libvpx,shareefalis/libvpx,goodleixiao/vpx,cinema6/libvpx,liqianggao/libvpx,gshORTON/webm.libvpx,reimaginemedia/webm.libvpx,mwgoldsmith/vpx,ittiamvpx/libvpx-1,ShiftMediaProject/libvpx,mwgoldsmith/libvpx,luctrudeau/aom,Acidburn0zzz/webm.libvpx,mwgoldsmith/vpx,gshORTON/webm.libvpx,gshORTON/webm.libvpx,running770/libvpx,mbebenita/aom,charup/https---github.com-webmproject-libvpx-,thdav/aom,lyx2014/libvpx_c,felipebetancur/libvpx,pcwalton/libvpx,turbulenz/libvpx,ittiamvpx/libvpx-1,openpeer/libvpx_new,luctrudeau/aom,reimaginemedia/webm.libvpx,jdm/libvpx