Vivarium
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      // REPRODUCTIONS · GALLERY

      Real bugs, real runtimes, in your browser.

      Each card is a real bug from a real upstream project, reproduced in your browser via a WebAssembly language runtime. The verdict appears at the top once the runtime finishes loading.

      // CATALOGUE · FACETED

      Layer
      Language
      Severity
      showing 15 of 15
      L1 · WASMcpython-137205

      cpython#137205

      python/cpython#137205

      lang pythonseverity spec-violationsymptom fk-pragma-silently-dropped
      sqlite3pragmaforeign-keysautocommit
      Open ↗Source
      L1 · WASMdateutil-1478

      dateutil#1478

      dateutil/dateutil#1478

      lang pythonseverity bugsymptom inverted-utc-offset-sign
      python-dateutilparsertimezoneiso8601utc-offset
      Open ↗Source
      L1 · WASMlark-1585

      lark#1585

      lark-parser/lark#1585

      lang pythonseverity bugsymptom lalr-construction-infinite-loop
      larklalrcykgrammar-priorityinfinite-loop
      Open ↗Source
      L1 · WASMnumpy-28287

      numpy#28287

      numpy/numpy#28287

      lang pythonseverity bugsymptom ordering-non-transitive
      timedelta64comparisondatetime-units
      Open ↗Source
      L1 · WASMpandas-56679

      pandas#56679

      pandas-dev/pandas#56679

      lang pythonseverity regressionsymptom dtype-mismatch
      empty-seriesempty-dataframetype-inference
      Open ↗Source
      L1 · WASMphp-12167

      php#12167

      php/php-src#12167

      lang phpseverity bugsymptom json-encode-recursion
      json_encoderecursion-depth
      Open ↗Source
      L1 · WASMregex-779

      regex#779

      rust-lang/regex#779

      lang rustseverity bugsymptom regex-engine-edge-case
      regexwasm32-wasip1
      Open ↗Source
      L1 · WASMruby-21709

      ruby#21709

      ruby/ruby#21709

      lang rubyseverity bugsymptom unicode-normalize-nfd
      stringunicodecombining-diacritics
      Open ↗Source
      L1 · WASMsympy-29413

      sympy#29413

      sympy/sympy#29413

      lang pythonseverity spec-violationsymptom assumption-blind-spot-at-infinity
      sympyaskQ.extended_realcore.relationalinfinity
      Open ↗Source
      L2 · Dockerbash-local-shadows-exit

      bash

      bash `local` shadows command-substitution exit code

      lang shellseverity footgunsymptom local-shadows-exit-status
      bashcommand-substitutionexit-code
      Open ↗Source
      L2 · Dockerfind-xargs-whitespace

      find

      `find … | xargs cmd` is unsafe for whitespace in filenames

      lang shellseverity footgunsymptom whitespace-unsafe-pipeline
      findxargswhitespacefilenames
      Open ↗Source
      L2 · Dockerflock-is-advisory

      flock

      `flock(2)` is advisory only

      lang shellseverity spec-violationsymptom advisory-lock-bypass
      flockfilesystemconcurrency
      Open ↗Source
      L2 · Dockernode-63041

      node#63041

      Node.js `Intl.DateTimeFormat` drops month with `calendar: 'iso8601'`

      lang javascriptseverity regressionsymptom intl-month-dropped
      intldatetimeformatiso8601-calendaricu
      Open ↗Source
      L2 · Dockerpostgres-lost-update

      postgres

      PostgreSQL lost update under READ COMMITTED

      lang sqlseverity dataracesymptom lost-update-read-committed
      postgresqlisolation-levelconcurrency
      Open ↗Source
      L3 · Record-replaylost-update

      pthread

      pthread lost-update data race (canonical)

      lang cseverity dataracesymptom lost-update-data-race
      pthreadrr-replaydeterministic
      Open ↗Source

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