Add testcases that send unknown AVPs with a bad AVP Length
Add testcases that send unknown AVPs with a bad AVP Length

In particular, a length that points past the end of the message. This
goes undetected there is some other problem with the AVP (eg. M-bit),
which is a problem we're about to fix.

sdebnath/otp,legoscia/otp,jj1bdx/otp,saleyn/otp,falkevik/otp,uabboli/otp,kvakvs/otp,NOMORECOFFEE/otp,emacsmirror/erlang,RichMorin/otp,c-rack/otp,jemsbhai/otp,gjaldon/otp,jamesruan/otp,RGafiyatullin/otp,RoadRunnr/otp,emacsmirror/erlang,paulcager/otp,palas/otp,marquisthunder/otp,massemanet/otp,RoadRunnr/otp,tuncer/otp,massemanet/otp,riverrun/otp,RichMorin/otp,release-project/otp,RJ/otp,electricimp/otp,bsmr-erlang/otp,msantos/otp,Teino1978-Corp/otp,tuncer/otp,vinoski/otp,marquisthunder/otp,bernardd/otp,lucafavatella/otp,ahmedshafeeq/otp,ferd/otp,lrascao/otp,stolen/otp,goertzenator/otp,electricimp/otp,bernardd/otp,theom/otp,aboroska/otp,NOMORECOFFEE/otp,lucafavatella/otp,GinjaNinja32/otp,riverrun/otp,schlagert/otp,ferd/otp,haguenau/otp,rlipscombe/otp,fenollp/otp,hairyhum/otp,RaimoNiskanen/otp,cnbin/otp,marquisthunder/otp,dumbbell/otp,weisslj/otp,lantti/otp,aboroska/otp,goertzenator/otp,getong/otp,ferd/otp,bernardd/otp,massemanet/otp,ader1990/otp,jj1bdx/otp,beni55/otp,goertzenator/otp,g-andrade/otp,hairyhum/otp,lianghaivv/otp,VincentHHL/otp,kvakvs/otp,Teino1978-Corp/otp,erlang/otp,bugs-erlang-org/otp,weisslj/otp,psyeugenic/otp,gjaldon/otp,rlipscombe/otp,beni55/otp,mujiatong/otp,getong/otp,aboroska/otp,fenollp/otp,jj1bdx/otp,potatosalad/otp,lemenkov/otp,paladim/otp,jinshana/otp,lantti/otp,yangchengjian/otp,RJ/otp,marquisthunder/otp,derek121/otp,jamesruan/otp,stolen/otp,g-andrade/otp,lrascao/otp,paladim/otp,paladim/otp,yangchengjian/otp,msantos/otp,krishnakumar4a4/otp,riverrun/otp,tuncer/otp,dgud/otp,Teino1978-Corp/erlang-otp,emile/otp,lrascao/otp,gjaldon/otp,mikpe/otp,krishnakumar4a4/otp,paulcager/otp,cnbin/otp,jamesruan/otp,klarna/otp,marquisthunder/otp,bernardd/otp,sitexa/otp,Teino1978-Corp/otp,Teino1978-Corp/erlang-otp,erlang/otp,potatosalad/otp,sdebnath/otp,emile/otp,RJ/otp,basho/otp,emile/otp,entropiae/otp,yangchengjian/otp,RJ/otp,dumbbell/otp,jinshana/otp,cobusc/otp,getong/otp,platinumthinker/otp,haguenau/otp,rlipscombe/otp,stolen/otp,emile/otp,haguenau/otp,riverrun/otp,cnbin/otp,emacsmirror/erlang,potatosalad/otp,matwey/otp,vinoski/otp,theom/otp,isvilen/otp,lightcyphers/otp,bsmr-erlang/otp,jemsbhai/otp,vinoski/otp,emacsmirror/erlang,falkevik/otp,jj1bdx/otp,goertzenator/otp,jj1bdx/otp,uabboli/otp,electricimp/otp,jj1bdx/otp,weisslj/otp,awetzel/otp,erlang/otp,entropiae/otp,release-project/otp,psyeugenic/otp,uabboli/otp,getong/otp,bernardd/otp,enikki/otp,riverrun/otp,lianghaivv/otp,mujiatong/otp,getong/otp,uabboli/otp,paulcager/otp,VincentHHL/otp,schlagert/otp,erlang/otp,derek121/otp,rlipscombe/otp,neeraj9/otp,lucafavatella/otp,lianghaivv/otp,isvilen/otp,RichMorin/otp,jj1bdx/otp,neeraj9/otp,saleyn/otp,lightcyphers/otp,lianghaivv/otp,klarna/otp,bsmr-erlang/otp,kvakvs/otp,neeraj9/otp,basho/otp,cobusc/otp,getong/otp,lemenkov/otp,emacsmirror/erlang,NOMORECOFFEE/otp,fenollp/otp,legoscia/otp,jemsbhai/otp,Teino1978-Corp/erlang-otp,ader1990/otp,potatosalad/otp,g-andrade/otp,johanclaesson/otp,beni55/otp,legoscia/otp,tuncer/otp,benoitc/otp-1,weisslj/otp,vladdu/otp,bsmr-erlang/otp,platinumthinker/otp,lightcyphers/otp,electricimp/otp,haguenau/otp,bernardd/otp,emile/otp,ader1990/otp,dumbbell/otp,saleyn/otp,rlipscombe/otp,awetzel/otp,jj1bdx/otp,Teino1978-Corp/erlang-otp,bugs-erlang-org/otp,matwey/otp,rlipscombe/otp,bugs-erlang-org/otp,enikki/otp,sammoth-wazoku/otp,cobusc/otp,RaimoNiskanen/otp,sammoth-wazoku/otp,lemenkov/otp,cobusc/otp,enikki/otp,bugs-erlang-org/otp,NOMORECOFFEE/otp,lrascao/otp,theom/otp,benoitc/otp-1,platinumthinker/otp,platinumthinker/otp,lucafavatella/otp,lhslll/otp,gjaldon/otp,schlagert/otp,cobusc/otp,lightcyphers/otp,johanclaesson/otp,bjorng/otp,fenollp/otp,awetzel/otp,vic/otp,GinjaNinja32/otp,rlipscombe/otp,paladim/otp,sammoth-wazoku/otp,cnbin/otp,benoitc/otp-1,cobusc/otp,lrascao/otp,matwey/otp,mikpe/otp,kvakvs/otp,NOMORECOFFEE/otp,electricimp/otp,erlang/otp,dgud/otp,saleyn/otp,kvakvs/otp,ader1990/otp,RichMorin/otp,RaimoNiskanen/otp,lantti/otp,sdebnath/otp,klarna/otp,emile/otp,lhslll/otp,schlagert/otp,vladdu/otp,benoitc/otp-1,RoadRunnr/otp,kvakvs/otp,stolen/otp,neeraj9/otp,mikpe/otp,g-andrade/otp,basho/otp,c-rack/otp,neeraj9/otp,massemanet/otp,emile/otp,isvilen/otp,lhslll/otp,sammoth-wazoku/otp,rlipscombe/otp,tuncer/otp,RaimoNiskanen/otp,mikpe/otp,msantos/otp,paulcager/otp,erlang/otp,RaimoNiskanen/otp,ahmedshafeeq/otp,fenollp/otp,lrascao/otp,isvilen/otp,ader1990/otp,RGafiyatullin/otp,jamesruan/otp,gjaldon/otp,electricimp/otp,falkevik/otp,bugs-erlang-org/otp,derek121/otp,benoitc/otp-1,GinjaNinja32/otp,erlang/otp,lianghaivv/otp,sdebnath/otp,theom/otp,lucafavatella/otp,emacsmirror/erlang,erlang/otp,weisslj/otp,neeraj9/otp,vladdu/otp,beni55/otp,dgud/otp,marquisthunder/otp,isvilen/otp,uabboli/otp,hairyhum/otp,jemsbhai/otp,Teino1978-Corp/erlang-otp,haguenau/otp,release-project/otp,yangchengjian/otp,goertzenator/otp,psyeugenic/otp,lrascao/otp,RGafiyatullin/otp,matwey/otp,entropiae/otp,johanclaesson/otp,cnbin/otp,RichMorin/otp,msantos/otp,bsmr-erlang/otp,cnbin/otp,uabboli/otp,lemenkov/otp,potatosalad/otp,NOMORECOFFEE/otp,cobusc/otp,jinshana/otp,RoadRunnr/otp,sdebnath/otp,mikpe/otp,palas/otp,derek121/otp,lhslll/otp,GinjaNinja32/otp,vic/otp,vladdu/otp,bjorng/otp,isvilen/otp,VincentHHL/otp,palas/otp,paladim/otp,vladdu/otp,jinshana/otp,palas/otp,hairyhum/otp,legoscia/otp,RGafiyatullin/otp,enikki/otp,lemenkov/otp,paulcager/otp,Teino1978-Corp/erlang-otp,legoscia/otp,legoscia/otp,RaimoNiskanen/otp,sammoth-wazoku/otp,matwey/otp,dgud/otp,release-project/otp,enikki/otp,basho/otp,release-project/otp,massemanet/otp,matwey/otp,RoadRunnr/otp,electricimp/otp,isvilen/otp,lantti/otp,fenollp/otp,c-rack/otp,yangchengjian/otp,getong/otp,saleyn/otp,vic/otp,benoitc/otp-1,johanclaesson/otp,Teino1978-Corp/otp,isvilen/otp,dgud/otp,NOMORECOFFEE/otp,RaimoNiskanen/otp,theom/otp,goertzenator/otp,marquisthunder/otp,bjorng/otp,mikpe/otp,bsmr-erlang/otp,mujiatong/otp,msantos/otp,jinshana/otp,RaimoNiskanen/otp,RoadRunnr/otp,jinshana/otp,saleyn/otp,lhslll/otp,VincentHHL/otp,klarna/otp,krishnakumar4a4/otp,dgud/otp,basho/otp,RGafiyatullin/otp,bjorng/otp,vic/otp,benoitc/otp-1,stolen/otp,klarna/otp,bernardd/otp,dumbbell/otp,hairyhum/otp,rlipscombe/otp,lianghaivv/otp,ader1990/otp,dumbbell/otp,paulcager/otp,sammoth-wazoku/otp,vinoski/otp,ferd/otp,RichMorin/otp,electricimp/otp,dumbbell/otp,psyeugenic/otp,Teino1978-Corp/erlang-otp,cnbin/otp,g-andrade/otp,g-andrade/otp,dgud/otp,ferd/otp,psyeugenic/otp,schlagert/otp,isvilen/otp,lrascao/otp,lightcyphers/otp,legoscia/otp,haguenau/otp,matwey/otp,vinoski/otp,weisslj/otp,fenollp/otp,potatosalad/otp,bjorng/otp,g-andrade/otp,johanclaesson/otp,basho/otp,matwey/otp,derek121/otp,kvakvs/otp,weisslj/otp,mujiatong/otp,paladim/otp,GinjaNinja32/otp,isvilen/otp,erlang/otp,lhslll/otp,lantti/otp,aboroska/otp,getong/otp,paulcager/otp,lantti/otp,basho/otp,emacsmirror/erlang,beni55/otp,aboroska/otp,palas/otp,jemsbhai/otp,aboroska/otp,GinjaNinja32/otp,massemanet/otp,uabboli/otp,sitexa/otp,RoadRunnr/otp,fenollp/otp,ahmedshafeeq/otp,klarna/otp,theom/otp,massemanet/otp,jemsbhai/otp,Teino1978-Corp/otp,cobusc/otp,lantti/otp,haguenau/otp,gjaldon/otp,legoscia/otp,vic/otp,VincentHHL/otp,awetzel/otp,yangchengjian/otp,stolen/otp,vic/otp,lianghaivv/otp,bjorng/otp,emile/otp,ferd/otp,krishnakumar4a4/otp,ader1990/otp,palas/otp,derek121/otp,c-rack/otp,gjaldon/otp,dumbbell/otp,sitexa/otp,neeraj9/otp,basho/otp,Teino1978-Corp/otp,RGafiyatullin/otp,entropiae/otp,tuncer/otp,potatosalad/otp,cnbin/otp,Teino1978-Corp/otp,platinumthinker/otp,sdebnath/otp,sitexa/otp,entropiae/otp,krishnakumar4a4/otp,yangchengjian/otp,mujiatong/otp,enikki/otp,RJ/otp,johanclaesson/otp,kvakvs/otp,mujiatong/otp,stolen/otp,klarna/otp,schlagert/otp,jamesruan/otp,bernardd/otp,GinjaNinja32/otp,bugs-erlang-org/otp,aboroska/otp,derek121/otp,uabboli/otp,c-rack/otp,gjaldon/otp,haguenau/otp,c-rack/otp,platinumthinker/otp,johanclaesson/otp,release-project/otp,c-rack/otp,paulcager/otp,falkevik/otp,bsmr-erlang/otp,weisslj/otp,bernardd/otp,jamesruan/otp,theom/otp,falkevik/otp,falkevik/otp,beni55/otp,ahmedshafeeq/otp,release-project/otp,krishnakumar4a4/otp,enikki/otp,saleyn/otp,lemenkov/otp,jinshana/otp,johanclaesson/otp,g-andrade/otp,riverrun/otp,dgud/otp,bsmr-erlang/otp,entropiae/otp,rlipscombe/otp,bjorng/otp,paladim/otp,beni55/otp,uabboli/otp,mikpe/otp,VincentHHL/otp,bugs-erlang-org/otp,platinumthinker/otp,palas/otp,sitexa/otp,lrascao/otp,mikpe/otp,bjorng/otp,hairyhum/otp,RaimoNiskanen/otp,jemsbhai/otp,vladdu/otp,NOMORECOFFEE/otp,msantos/otp,RJ/otp,sammoth-wazoku/otp,RGafiyatullin/otp,vinoski/otp,lianghaivv/otp,tuncer/otp,sammoth-wazoku/otp,sitexa/otp,VincentHHL/otp,krishnakumar4a4/otp,hairyhum/otp,msantos/otp,matwey/otp,vinoski/otp,jamesruan/otp,bjorng/otp,riverrun/otp,bjorng/otp,weisslj/otp,jinshana/otp,neeraj9/otp,goertzenator/otp,klarna/otp,entropiae/otp,mujiatong/otp,lhslll/otp,awetzel/otp,falkevik/otp,ferd/otp,awetzel/otp,beni55/otp,awetzel/otp,emile/otp,ahmedshafeeq/otp,msantos/otp,ader1990/otp,psyeugenic/otp,dumbbell/otp,VincentHHL/otp,benoitc/otp-1,RoadRunnr/otp,potatosalad/otp,release-project/otp,ferd/otp,awetzel/otp,tuncer/otp,vinoski/otp,lemenkov/otp,sitexa/otp,RGafiyatullin/otp,dgud/otp,goertzenator/otp,theom/otp,hairyhum/otp,marquisthunder/otp,ahmedshafeeq/otp,bugs-erlang-org/otp,lemenkov/otp,lhslll/otp,vic/otp,potatosalad/otp,jemsbhai/otp,lucafavatella/otp,falkevik/otp,RichMorin/otp,mujiatong/otp,ahmedshafeeq/otp,psyeugenic/otp,paladim/otp,ahmedshafeeq/otp,enikki/otp,sitexa/otp,derek121/otp,krishnakumar4a4/otp,GinjaNinja32/otp,psyeugenic/otp,palas/otp,legoscia/otp,ahmedshafeeq/otp,sdebnath/otp,massemanet/otp,vinoski/otp,potatosalad/otp,schlagert/otp,RichMorin/otp,lightcyphers/otp,c-rack/otp,falkevik/otp,jamesruan/otp,kvakvs/otp,getong/otp,schlagert/otp,aboroska/otp,saleyn/otp,vladdu/otp,lucafavatella/otp,Teino1978-Corp/erlang-otp,jj1bdx/otp,sdebnath/otp,bsmr-erlang/otp,platinumthinker/otp,goertzenator/otp,basho/otp,fenollp/otp,tuncer/otp,vinoski/otp,lucafavatella/otp,ferd/otp,g-andrade/otp,riverrun/otp,massemanet/otp,aboroska/otp,mikpe/otp,jj1bdx/otp,emacsmirror/erlang,dumbbell/otp,Teino1978-Corp/otp,lightcyphers/otp,entropiae/otp,yangchengjian/otp,emacsmirror/erlang,lantti/otp,dgud/otp,electricimp/otp,saleyn/otp,RJ/otp,release-project/otp,erlang/otp,RoadRunnr/otp,vladdu/otp,RJ/otp,vladdu/otp,emacsmirror/erlang,getong/otp,g-andrade/otp,lightcyphers/otp,stolen/otp,vic/otp,mikpe/otp,dumbbell/otp