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#144 closed defect (fixed)

decoder crashes on empty input file

Reported by:	davidf	Owned by:	davidf
Priority:	minor	Milestone:	HM-3.1
Component:	HM	Version:	HM-3.0
Keywords:		Cc:	fbossen, ksuehring, davidf, jct-vc@…

Description

performing:

$ rm out.bit; touch out.bit
$ ./jctvc-tmuc-dec --BitstreamFile=out.bit

causes:

==13135== Use of uninitialised value of size 8
==13135==    at 0x428A7A: TComPic::getPicSym() (TComPic.h:78)
==13135==    by 0x466B72: TDecTop::executeDeblockAndAlf(bool, TComBitstream*, unsigned int&, TComList<TComPic*>*&, int&, int&) (TDecTop.cpp:183)
==13135==    by 0x4051E5: TAppDecTop::decode() (TAppDecTop.cpp:119)
==13135==    by 0x402B0F: main (decmain.cpp:76)
==13135== 
==13135== 
==13135== ---- Attach to debugger ? --- [Return/N/n/Y/y/C/c] ---- n
==13135== Invalid read of size 8
==13135==    at 0x40598D: TComPicSym::getSlice(unsigned int) (TComPicSym.h:78)
==13135==    by 0x466B7C: TDecTop::executeDeblockAndAlf(bool, TComBitstream*, unsigned int&, TComList<TComPic*>*&, int&, int&) (TDecTop.cpp:183)
==13135==    by 0x4051E5: TAppDecTop::decode() (TAppDecTop.cpp:119)
==13135==    by 0x402B0F: main (decmain.cpp:76)
==13135==  Address 0x9691aa5 is not stack'd, malloc'd or (recently) free'd
==13135== 
==13135== 
==13135== ---- Attach to debugger ? --- [Return/N/n/Y/y/C/c] ---- n
==13135== 
==13135== Process terminating with default action of signal 11 (SIGSEGV)
==13135==  Access not within mapped region at address 0x9691AA5
==13135==    at 0x40598D: TComPicSym::getSlice(unsigned int) (TComPicSym.h:78)
==13135==    by 0x466B7C: TDecTop::executeDeblockAndAlf(bool, TComBitstream*, unsigned int&, TComList<TComPic*>*&, int&, int&) (TDecTop.cpp:183)
==13135==    by 0x4051E5: TAppDecTop::decode() (TAppDecTop.cpp:119)
==13135==    by 0x402B0F: main (decmain.cpp:76)