2016 / TDOH Conf
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+FPQBSEZ8FC˙ 铃鎊暶䚍#VH3VCZ˙ 3VCZ欽$㻨JOUFQSFUFS罜⚂䎙⛖尝剤MJCSBSZEFQFOEFODZ[MJC PQFOTTM MJCVOXJOE˙ 鸏➿邍䖎㢵匌銯鿪荈䎍♶⣜飅㢫鿈玑䒭䏨⟃玑䒭㸞涸錬䏞⢵溏˙ 嵥럊侸贖椚儘剤0WFSPX˙ #JH%FDJNBM &[email protected] ' [email protected]˙ :".-QBSTFS㼬荞3$&$7&˙ 湱㼩⢵铞3VCZ爢纈岤ꅾ㸞䖤㢵
+FPQBSEZ8FC˙ $SZQUP'BJM˙ ⡹剚銴增叆须俲剤尝剤鄄佖麕⡹剚˙ 欽NE˙ NE TFDSFUEBUB˙ -FOHUI&YUFOTJPO"UUBDL˙ ⡹剚銴⸈㺙须俲⛳鏪僽4FTTJPO˙ "&4$#$˙ 1BEEJOH0SBDMF"UUBDL
+FPQBSEZ8FC˙ 8FC䩧饱⢵⫹僽㖈枤閱˙ 锞ꡠ岤须㸞倞耂剓鵜涸Ⱇ怪峯˙ TUSVDUT˙ 8FCⴀ겗剚剤崩遤馸˙ ꤏ㶩剤4FSWFS4JEF5FNQMBUF*OKFDUJPO 1BEEJOH0SBDMF 幋ざ944˙ ꡠ岤ⴀ겗㕰涸8FC㼠㹻剓鵜㖈灇瑖➊랃˙ ⴀ겗䌢䌢⚥
+FPQBSEZ#JOBSZ3FWFSTF˙ 窍⡹♧⦐#JOBSZ䟝鳵岁䵆䥢➮㖈⨞➊랃˙ Ⱙ㘗涸3FWFSTJOH겗湡剚僽OBUJWFDPEF鸒䌢欽$铃鎊㻨˙ 銴隡穉ざ铃鎊涸腋⸂˙ 겗湡㣐嚌剤䎙珏Ꟁ湱˙ 鱒ⰅBH겗湡剚デ鏰⡹僽♶僽㼩涸˙ 鱒Ⰵ㺙焺鍑㺙BH䖕⽫ⴀ⢵˙ 窍⡹⸈㺙涸BHㄤ⸈㺙玑䒭剤儘⦬剚剤♧穉䊺濼僈俒涸㺙俒˙ 鏽ⱁ堥䍲䭸㹁涸6TFS皿ⴀ➮涸䎸贫
+FPQBSEZ#JOBSZ3FWFSTF˙ Ⱙ㘗涸겗湡⫹僽鸏垺
+FPQBSEZ#JOBSZ3FWFSTF˙ 鹎ꥣ♧럊涸겗湡˙ ⸈媽幋差麕涸玑䒭ⴕ區銴⯓膨媽%FPCGVTDBUF˙ 䩛䊨穉ざ涸㛂遤墂䩛㻨BTTFNCMZ♶僽넞ꥣ铃鎊管陼ⴀ⢵涸˙ $㛂遤墂⸈管陼剓⢕⻋˙ TUSJOH涸贖椚㽠㣁ꨈ溏✫PQUJNJ[F♴刿䟝娦˙ 㣼䚓涸铃鎊管陼ⴀ⢵涸CJOBSZ㥶HPMBOH TXJGU IBTLFMM˙ 7JSUVBM.BDIJOF⫹僽(#"&NVMBUPS齡겳涸匌銯˙ TUBUJDDPNQJMFEBOETUSJQFECJOBSZ85'
+FPQBSEZ#JOBSZ3FWFSTF˙ ⨋♧럊涸겗湡˙ 厥❉管陼䧭CJOBSZDPEF⡎♶僽OBUJWFDPEF涸CJOBSZ鸒䌢尝剤EFDPNQJMFS〳⟃欽㽠皿剤⛳剚䟝鳵岁䵆㡏EFDPNQJMFS˙ 7#1$PEF 4&$$0/SFUSPTQFDUJWF˙ 4RVJSSFMMBOH #$5'TJG˙ ⯕僽䪪ⴀ➮僽➊랃铃鎊㽠蔅✫䧮㥪⛉涸儘22˙ 1ZUIPOCZUFDPEF QZD +BWBDMBTT PCGVTDBUFE/&5˙ 䩛㻨♧❉㣼䚓涸CZUFDPEFQBUUFSO剚䵆㡏EFDPNQJMFS
+FPQBSEZ#JOBSZ3FWFSTF˙ ⨋♧럊涸겗湡糵˙ Ⲉ䎂〵涸OBUJWFCJOBSZ˙ "3. .*14鿪皿㼭✲✫欽2&.6㽠〳⟃駵˙ 尝剤EFDPNQJMFS〳⟃欽22˙ 㻨♧㣐㛜DPEF搭䖕DPNQJMFSPQUJNJ[F⿶僽$㻨涸˙ 峤峤漗嫲鯱䘰鿪䚓植➿$5'涮㾝㣖〳䙲22˙ ꬌ䌢䏁㾵涸CJOBSZ˙ #*0430. %SJWFS %04CJOBSZ
+FPQBSEZ#JOBSZ3FWFSTF䊨Ⱘ眝˙ 㷸绢䊨Ⱘ僽䖎ꅾ銴涸䩞腋麕殹♧⦐珖耷涸䊨Ⱘ➃˙ 㥪涸䊨Ⱘ䌟⡹♳㣔㛔㡏涸䊨Ⱘ雊⡹䄶惓22˙ ⹛䢀ⴕ區䊨Ⱘ%FCVHHFS˙ 0MMZ%CH YECH HEC FWBOTEFCVHHFS (6*EFCVHHFSGPS-JOVY˙ 剤❉겗湡鏤㹁㥪CSFBLQPJOU㺙焺꼛♳㽠ⴀ植㖈⡹✫˙ 剤❉겗湡〳⟃CZUFCZCZUF涸凐⸂灶鍑˙ 㷸绢䙦랃㻨EFCVHHFSTDSJQU˙ TUSBDF MUSBDF錚㻌玑䒭涸TZTUFNDBMM MJCSBSZDBMM遤捀
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+FPQBSEZ#JOBSZ3FWFSTF䊨Ⱘ眝˙ ꬆ䢀ⴕ區䊨Ⱘ˙ CJOBSZOJOKB˙ )PQ%JTBTTFNCMFS˙ 暶Ꟁ僽0CKFDUJWF$˙ 3FUBSHFUBCMFEFDPNQJMFS˙ 箁♳⿾管陼剪♶麕⯝顥涸剤ꣳⵖ
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SBEBSF
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+FPQBSEZ#JOBSZ3FWFSTF䊱遯眝˙ 4ZNCPMJD&YFDVUJPO˙ BOHS˙ 㼩CJOBSZ⨞TZNCPMJDFYFDVUJPO荈⹛䌟Ⰵ4.5TPMWFSBOHS欽;䪪ⴀ䨾剤哭⟝騥鱲涸哭⟝僽➊랃˙ 䖰齡酭㨥饥ⵌ齡酭鼚齡酭˙ 㥪⡹デ鏰䧮銴怏駈涸哭⟝僽➊랃˙ 䢩く鎹䥊넓罜⚂剤❉朜屣♶鋅䖤腋鍑
+FPQBSEZ#JOBSZ3FWFSTF䊱遯眝˙ 4ZNCPMJD&YFDVUJPO˙ LMFF˙ 㛇倴MMWN卺圓♴⾲㨥焺㾵秹涸TZNCPMJDFYFDVUJPO˙ $$PUIFSMBOHVBHF̔DPNQJMFEUPMMWN*3̔LMFF˙ 㻨♧⦐$玑䒭〭LMFFデ鏰⡹銴怏駈➊랃哭⟝䩞腋鍸涮BTTFSU˙ 〳⟃䭭IFYSBZEFDPNQJMFSⴀ⢵涸DPEF鹎駵9%˙ -B[Z,-&&CZ-BZTIUUQTHJUIVCDPN-ZT-B[Z,-&&
1XOBCMF˙ ⡹㻨麕$铃鎊㌨
1XOBCMF (low address)AAAAAAAA 0000000000000000 000000000000000000000000000000000083af3c ffeeddcc 00401234 abcdabcd(high address)int main() {...printf("your name:");scanf("%s", name);...return 0;}
1XOBCMF (low address)AAAAAAAA 0000000041414141 4141414141414141414141414141414141414141 41414141 41414141 41414141(high address)int main() {...printf("your name:");scanf("%s", name);...return 0;}
1XOBCMF (low address)AAAAAAAA 0000000041414141 4141414141414141414141414141414141414141 41414141 41414141 41414141(high address)int main() {...printf("your name:");scanf("%s", name);...return 0;}*** stack smashing detected ***
1XOBCMF˙ TUBDLDBOBSZ僽植➿管陼㐼涸⥃隌堥ⵖ姺TUBDLPWFSPX怪峯鄄ⵄ欽˙ 鹎ⰅGVODUJPO儘㻨Ⰵ04ꦑ堥欴欰涸TUBDLDBOBSZ˙ ꨆGVODUJPO僽增叆TUBDLDBOBSZ僽や鄄睕佖˙ 鸮糵㻨Ⰵ銼覈FCQ SFUSVOBEESFTT⛓♧㹁剚⯓覈ⵌTUBDLDBOBSZ˙ #PPPPPPPPPPPN˙ 䧮⦛⢵溏♧⦐尝剤⥃隌涸⢿㶩
1XOBCMF˙ OBNF㖈㛜毕♳˙ EBUB㖈ꬆ䢀涸⡙㖧˙ TDBOG T OBNF˙ 鸤䧭CVFSPWFSPX˙ 濼麥TUBDL僽䙦랃麌⡲涸䖎ꅾ銴
1XOBCMF˙ TDBOG T OBNF˙ """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""ababcdcd 0000000041414141 4141414141414141414141414141414141414141 41414141 4141414141414141
1XOBCMF˙ SFU˙ &*1Y˙ $SBTI˙ &*1〳⟃䱾ⵖ˙ 齡䧮⦛〳♶〳⟃〭CBTIⴀ⢵˙ %FNPababcdcd 0000000041414141 4141414141414141414141414141414141414141 41414141 4141414141414141
1XOBCMF鎹䥊넓䨞昰涸余娜〷˙ #VFSPWFSPX SFUVSOUPTUBDL˙ %BUB&YFDVUJPO1SFWFOUJPO雊须俲♶〳㛂遤˙ 3FUVSO0SJFOUFE1SPHSBNNJOH301鰋논锓CZ-BZT˙ 4UBDLDBOBSZ增叆剤尝剤PWFSPX˙ "4-3雊⡹枤♶⚥˙ 4IBEPX4UBDL欽〥㢫♧⦐TUBDL㶸SFUVSOBEESFTT˙ 301JTEFBE˙ 䒂⠽ꠗ隡+VNQ0SJFOUFE1SPHSBNNJOH
1XOBCMF$5'䌢欽余乹䩛岁˙ 3FUVSOUP4UBDL˙ 䪾TIFMMDPEF㻨㖈TUBDL♳䟝鳵岁SFUVSOⵌTUBDL♳㛂遤˙ 䪪ⵌKNQFTQ˙ 3FUVSOUPMJCD˙ 欽301㛂遤MJCD酭涸GVODUJPO˙ 3FUVSOUPEMSFTPMWF˙ ⵄ欽%ZOBNJD-JOLJOH雊➮湬䱺䌟䧮⦛TZTUFN
1XOBCMF$5'䌢欽余乹䩛岁˙ GPSNBUTUSJOH怪峯˙ QSJOUG EEE ˙ ⡹濼麥O Q㌨˙ QSJOUG T EBUB˙ QSJOUG EBUB00401234 2016 1 1 aaaaaaaa bbbbbbbb 41414141 4141414100ae5d25 cccccccc 00405566
1XOBCMF$5'䌢欽余乹䩛岁˙ GPSNBUTUSJOH怪峯˙ QSJOUG EEE ˙ ⡹濼麥O Q㌨˙ QSJOUG T EBUB˙ QSJOUG EBUB˙ QQQQQQQQQQ˙ %FNP00401234 2016 1 1 aaaaaaaa bbbbbbbb 41414141 41414141 00ae5d25 cccccccc 00405566
1XOBCMF$5'䌢欽余乹䩛岁˙ #JOBSZ&YQMPJUBUJPO涸劥颶僽隡《䧴㻨Ⰵ✫♶鑪雊⡹焥ⵌ涸㖒倰˙ 銼覈涸㖒倰僽˙ SFUVSOBEESFTT˙ EBUBQPJOUFS˙ GVODUJPOQPJOUFS˙ (05FOUSZ˙ NPSF
$SZQUP˙ 管焺ꦡ询⸈㺙˙ ⸈㺙♧㹁剤♧䪾ꚤ⻑˙ 管焺˙ ⡹♧㹁聃麕)FY CBTF VSMFODPEF˙ 嫲鯱㼱鋅VVFODPEF CBTF CBTF˙ ꦡ询˙ 騈管焺♧垺⡎僽湡涸♶ず˙ SPU˙ /VF,:@.
$SZQUP˙ 〢Ⱙ㺙焺㷸˙ %#'5#4%+2*'4'0%4;26+10$BFTBS$JQIFS LFZ" ˙ 7FHFOFSF$JQIFS⳯且⸈㺙鹎ꥣ晝劥˙ ➿䳖⸈㺙4VCTUJUVUJPO$JQIFS˙ 䪾嫦⦐㶶嫢♧㼩♧涸鱲䳖ⵌ〥♧穉㶶嫢˙ 걽桧ⴕ區余乹ꆚ㼩僈俒涸暶䚍⨞ⴕ區
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