{"id":"https://openalex.org/W7163523213","doi":"https://doi.org/10.23919/date69613.2026.11539115","title":"SimFuzz: Similarity-guided Block-level Mutation for RISC-V Processor Fuzzing","display_name":"SimFuzz: Similarity-guided Block-level Mutation for RISC-V Processor Fuzzing","publication_year":2026,"publication_date":"2026-04-20","ids":{"openalex":"https://openalex.org/W7163523213","doi":"https://doi.org/10.23919/date69613.2026.11539115"},"language":null,"primary_location":{"id":"doi:10.23919/date69613.2026.11539115","is_oa":false,"landing_page_url":"https://doi.org/10.23919/date69613.2026.11539115","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 Design, Automation &amp;amp; Test in Europe Conference (DATE)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5137834455","display_name":"Hao Lyu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Lyu","raw_affiliation_strings":["University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences","institution_ids":["https://openalex.org/I4210128818"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020280128","display_name":"Jianmin Wu","orcid":"https://orcid.org/0000-0002-0999-9194"},"institutions":[{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingzheng Wu","raw_affiliation_strings":["University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences","institution_ids":["https://openalex.org/I4210128818"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137836821","display_name":"Xiang Ling","orcid":null},"institutions":[{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiang Ling","raw_affiliation_strings":["University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences","institution_ids":["https://openalex.org/I4210128818"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137811952","display_name":"Yicheng Zhong","orcid":null},"institutions":[{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yicheng Zhong","raw_affiliation_strings":["University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences","institution_ids":["https://openalex.org/I4210128818"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100337924","display_name":"Zhiyuan Li","orcid":"https://orcid.org/0000-0001-8446-0319"},"institutions":[{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiyuan Li","raw_affiliation_strings":["University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences","institution_ids":["https://openalex.org/I4210128818"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5137915470","display_name":"Tianyue Luo","orcid":null},"institutions":[{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyue Luo","raw_affiliation_strings":["University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Chinese Academy of Sciences,Institute of Software Chinese Academy of Sciences","institution_ids":["https://openalex.org/I4210128818"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210128818"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.55575621,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11032","display_name":"VLSI and Analog Circuit Testing","score":0.3075000047683716,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11032","display_name":"VLSI and Analog Circuit Testing","score":0.3075000047683716,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10904","display_name":"Embedded Systems Design Techniques","score":0.2669000029563904,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10743","display_name":"Software Testing and Debugging Techniques","score":0.09529999643564224,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mutation","display_name":"Mutation","score":0.3336000144481659},{"id":"https://openalex.org/keywords/fuzz-testing","display_name":"Fuzz testing","score":0.31520000100135803},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.2547999918460846},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.24240000545978546},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.24060000479221344}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6413999795913696},{"id":"https://openalex.org/C501734568","wikidata":"https://www.wikidata.org/wiki/Q42918","display_name":"Mutation","level":3,"score":0.3336000144481659},{"id":"https://openalex.org/C111065885","wikidata":"https://www.wikidata.org/wiki/Q1189053","display_name":"Fuzz testing","level":3,"score":0.31520000100135803},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.29019999504089355},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.28790000081062317},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.2547999918460846},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.24660000205039978},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.24240000545978546},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.24060000479221344},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.23350000381469727}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/date69613.2026.11539115","is_oa":false,"landing_page_url":"https://doi.org/10.23919/date69613.2026.11539115","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 Design, Automation &amp;amp; Test in Europe Conference (DATE)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5381168127059937,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2106072155","https://openalex.org/W2899727632","https://openalex.org/W2964241064","https://openalex.org/W3154674654","https://openalex.org/W3213773220","https://openalex.org/W4308083752","https://openalex.org/W4308632293","https://openalex.org/W4321381226","https://openalex.org/W4378192144","https://openalex.org/W4384302804","https://openalex.org/W4399486331","https://openalex.org/W4399487208","https://openalex.org/W4401568309","https://openalex.org/W4404133543"],"related_works":[],"abstract_inverted_index":{"The":[0],"Instruction":[1],"Set":[2],"Architecture":[3],"(ISA)":[4],"defines":[5],"processor":[6,26,128],"operations":[7],"and":[8,15,28,91,93,119,166,168,192,197,200,235],"serves":[9],"as":[10,40],"the":[11,23,127,137,190,221],"interface":[12],"between":[13],"hardware":[14],"software.":[16],"As":[17],"an":[18],"open":[19],"ISA,":[20],"RISC-V":[21,162,233],"lowers":[22],"barriers":[24],"to":[25,36,73,124,203,216],"design":[27],"encourages":[29],"widespread":[30],"adoption,":[31],"but":[32],"also":[33],"exposes":[34],"processors":[35,234],"security":[37,229],"risks":[38],"such":[39],"functional":[41,241],"bugs.":[42,53],"Processor":[43],"fuzzing":[44,56,107],"is":[45],"a":[46,106,111],"powerful":[47],"technique":[48],"for":[49,239],"automatically":[50],"detecting":[51],"these":[52,101],"However,":[54],"existing":[55],"methods":[57],"suffer":[58],"from":[59,115],"two":[60],"main":[61],"limitations.":[62],"First,":[63],"their":[64],"emphasis":[65],"on":[66,83,151,157,220],"redundant":[67],"test":[68],"case":[69],"generation":[70],"causes":[71],"them":[72],"overlook":[74],"cross-processor":[75],"corner":[76],"cases.":[77],"Second,":[78],"they":[79],"rely":[80],"too":[81],"heavily":[82],"coverage":[84,87,97,152,219],"guidance.":[85],"Current":[86],"metrics":[88],"are":[89],"biased":[90],"inefficient,":[92],"become":[94],"ineffective":[95],"once":[96],"growth":[98],"plateaus.To":[99],"overcome":[100],"limitations,":[102],"we":[103],"propose":[104],"SimFuzz,":[105],"framework":[108],"that":[109,212],"constructs":[110],"high-quality":[112,222],"seed":[113,223],"corpus":[114],"historical":[116],"bug-triggering":[117],"inputs":[118],"employs":[120],"similarity-guided,":[121],"block-level":[122],"mutation":[123],"efficiently":[125],"explore":[126],"input":[129,138],"space.":[130],"By":[131],"introducing":[132],"instruction":[133,196],"similarity,":[134],"SimFuzz":[135,156,213],"expands":[136],"space":[139],"around":[140],"seeds":[141],"while":[142],"preserving":[143],"control-flow":[144],"structure,":[145],"enabling":[146],"deeper":[147],"exploration":[148],"without":[149],"relying":[150],"feedback.":[153],"We":[154],"evaluate":[155],"three":[158],"widely":[159],"used":[160],"open-source":[161],"processors:":[163],"Rocket,":[164],"BOOM,":[165],"XiangShan,":[167],"discover":[169],"17":[170],"bugs":[171,188,230],"in":[172,231],"total,":[173],"including":[174],"14":[175],"previously":[176],"unknown":[177],"issues,":[178],"7":[179],"of":[180],"which":[181],"have":[182],"been":[183],"assigned":[184],"CVE":[185],"identifiers.":[186],"These":[187],"affect":[189],"decode":[191],"memory":[193],"units,":[194],"cause":[195],"data":[198],"errors,":[199],"can":[201],"lead":[202],"kernel":[204],"instability":[205],"or":[206],"system":[207],"crashes.":[208],"Experimental":[209],"results":[210],"show":[211],"achieves":[214],"up":[215],"73.22%":[217],"multiplexer":[218],"corpus.":[224],"Our":[225],"findings":[226],"highlight":[227],"critical":[228],"mainstream":[232],"offer":[236],"actionable":[237],"insights":[238],"improving":[240],"verification.":[242]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2026-06-05T00:00:00"}
