{"id":18932554,"url":"https://github.com/adrianherrera/afl-ngram-pass","last_synced_at":"2026-03-04T16:01:38.552Z","repository":{"id":85069284,"uuid":"211582069","full_name":"adrianherrera/afl-ngram-pass","owner":"adrianherrera","description":"An LLVM-based implementation of n-gram branch coverage for AFL","archived":false,"fork":false,"pushed_at":"2020-05-06T05:49:50.000Z","size":33,"stargazers_count":13,"open_issues_count":1,"forks_count":9,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-06-20T09:06:13.488Z","etag":null,"topics":["afl","fuzzing","llvm"],"latest_commit_sha":null,"homepage":null,"language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/adrianherrera.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2019-09-29T01:15:29.000Z","updated_at":"2024-07-13T01:46:18.000Z","dependencies_parsed_at":"2023-03-03T01:00:29.775Z","dependency_job_id":null,"html_url":"https://github.com/adrianherrera/afl-ngram-pass","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/adrianherrera/afl-ngram-pass","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/adrianherrera%2Fafl-ngram-pass","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/adrianherrera%2Fafl-ngram-pass/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/adrianherrera%2Fafl-ngram-pass/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/adrianherrera%2Fafl-ngram-pass/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/adrianherrera","download_url":"https://codeload.github.com/adrianherrera/afl-ngram-pass/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/adrianherrera%2Fafl-ngram-pass/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":30085801,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-04T15:40:14.053Z","status":"ssl_error","status_checked_at":"2026-03-04T15:40:13.655Z","response_time":59,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["afl","fuzzing","llvm"],"created_at":"2024-11-08T11:49:41.141Z","updated_at":"2026-03-04T16:01:38.530Z","avatar_url":"https://github.com/adrianherrera.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# AFL N-Gram Branch Coverage\n\nThis is an LLVM-based implementation of the n-gram branch coverage proposed in\nthe paper [\"Be Sensitive and Collaborative: Analzying Impact of Coverage Metrics\nin Greybox Fuzzing\"](https://www.usenix.org/system/files/raid2019-wang-jinghan.pdf),\nby Jinghan Wang, et. al.\n\nNote that the original implementation (available\n[here](https://github.com/bitsecurerlab/afl-sensitive)) is built on top of AFL's\nQEMU mode. This is essentially a port that uses LLVM vectorized instructions to\nachieve the same results when compiling source code.\n\n## Usage\n\nSimply copy the source files from **either** `circular-buf` or `vectorized` into\nAFL's `llvm_mode` directory and build `afl-clang-fast` as normal.\n\nThe size of `n` (i.e., the number of branches to remember) is an option that can\nbe specified in the `AFL_NGRAM_SIZE` environment variable.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fadrianherrera%2Fafl-ngram-pass","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fadrianherrera%2Fafl-ngram-pass","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fadrianherrera%2Fafl-ngram-pass/lists"}