Symptom:
CCM Service cores with cause 11

Conditions:
there should have been a Null check before using mainVideoMLineInAnsSDP as getOneMLineByCriteria could return a null pointer


Backtrace:

#0 VideoCapStructArray::getCapCount (this=0x314) at VideoCapStructArray.cpp:68 
#1 0x09979f9d in Video_mLine::areMultipleVideoCodecPresentInSDP (this=0x0) at Video_mLine.cpp:441 
#2 0x0930b7af in SIPInterface::isCodecConsolidationNeeded (this=0xe8571dd0, answerSDP=..., vidMultiCodecFlagInSDPAnswer=VIDEO_CODEC_UNKNOWN) at ProcessSIPInterface.cpp:16231 
#3 0x0931bc13 in SIPInterface::handleMultipleCodecInAnswer (this=0xe8571dd0, ansSdp=..., vidMultiCodecFlagInSDPAnswer=VIDEO_CODEC_UNKNOWN, isDTMFProfileChanged=false) at ProcessSIPInterface.cpp:7036 
#4 0x093232f3 in SIPInterface::handleMidCallSDPAnswer (this=0xe8571dd0, answerSDP=..., vidMultiCodecFlagInSDPAnswer=VIDEO_CODEC_UNKNOWN, isSDPChanged=false) at ProcessSIPInterface.cpp:3753 
#5 0x093244f7 in SIPInterface::sessionEstablished_SDPAnswerInd (this=0xe8571dd0, s=...) at ProcessSIPInterface.cpp:3669 
#6 0x09da368f in SdlProcessBase::inputSignal (this=0xe8571dd0, rSignal=0xf612b970, traceType=SdlSystemLog::SignalRouterThread, highPriority=0, normalPriority=1, lowPriority=0, veryLowPriority=0, lazyPriority=0, dbUpdatePriority=0) at SdlProcessBase.cpp:406 
#7 0x09da8076 in SdlRouter::callProcess (this=0xd9315e8, _sdlSignal=0xf612b970, _deleteSignal=@0xed4ee32f, _traceType=SdlSystemLog::SignalRouterThread, _hp=0, _np=1, _lp=0, _vlp=0, _lzp=0, _dbp=0) at SdlRouter.cpp:257 
#8 0x09da8320 in SdlRouter::scheduler (this=0xd9315e8) at SdlRouter.cpp:164 
#9 0x09da881f in SdlRouter::schedulerInit (sdlRouter=0xd9315e8) at SdlRouter.cpp:107 
#10 0xf6951a49 in start_thread () from /lib/libpthread.so.0 
#11 0xf6a52aee in clone () from /lib/libc.so.6