2026-01-16 11:37.00: New job: test ocurrent/bun https://github.com/ocurrent/bun.git#refs/heads/primary (edb099ddce28a538412a62564b419879c278c403) (linux-x86_64:debian-12-4.14_opam-2.5)Base: ocaml/opam:debian-12-ocaml-4.14@sha256:a53df5177072d740150fd7867bf57ab82a04bbcdb53a31eb989e5210feb6a8feOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocurrent/bun.git" -b "primary" && cd "bun" && git reset --hard edb099ddcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-12-ocaml-4.14@sha256:a53df5177072d740150fd7867bf57ab82a04bbcdb53a31eb989e5210feb6a8fe# debian-12-4.14_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 bun.opam ./RUN opam pin add -yn bun.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="afl.2.52b afl-persistent.1.4 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bos.0.2.1 cmdliner.2.1.0 cppo.1.8.0 crowbar.0.2.2 csexp.1.5.2 dune.3.21.0 dune-configurator.3.21.0 fmt.0.11.0 fpath.0.7.3 logs.0.10.0 lwt.6.0.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 rresult.0.7.0 topkg.1.1.1"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y bun.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-01-16 11:37.00: Using cache hint "ocurrent/bun-ocaml/opam:debian-12-ocaml-4.14@sha256:a53df5177072d740150fd7867bf57ab82a04bbcdb53a31eb989e5210feb6a8fe-debian-12-4.14_opam-2.5-ea96a1d6ff66001b24ea88807bbcc281"2026-01-16 11:37.00: Using OBuilder spec:((from ocaml/opam:debian-12-ocaml-4.14@sha256:a53df5177072d740150fd7867bf57ab82a04bbcdb53a31eb989e5210feb6a8fe)(comment debian-12-4.14_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(workdir /src)(run (shell "sudo chown opam /src"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src bun.opam) (dst ./))(run (network host)(shell "opam pin add -yn bun.dev './'"))(run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "afl.2.52b afl-persistent.1.4 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bos.0.2.1 cmdliner.2.1.0 cppo.1.8.0 crowbar.0.2.2 csexp.1.5.2 dune.3.21.0 dune-configurator.3.21.0 fmt.0.11.0 fpath.0.7.3 logs.0.10.0 lwt.6.0.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 rresult.0.7.0 topkg.1.1.1")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y bun.dev $DEPS"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst /src))(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-01-16 11:37.00: Waiting for resource in pool OCluster2026-01-16 12:24.21: Waiting for worker…2026-01-16 12:28.14: Got resource from pool OClusterBuilding on cleteAll commits already cachedHEAD is now at edb099d Merge pull request #32 from ocurrent/revert-31-patch-1(from ocaml/opam:debian-12-ocaml-4.14@sha256:a53df5177072d740150fd7867bf57ab82a04bbcdb53a31eb989e5210feb6a8fe)Unable to find image 'ocaml/opam:debian-12-ocaml-4.14@sha256:a53df5177072d740150fd7867bf57ab82a04bbcdb53a31eb989e5210feb6a8fe' locallydocker.io/ocaml/opam@sha256:a53df5177072d740150fd7867bf57ab82a04bbcdb53a31eb989e5210feb6a8fe: Pulling from ocaml/opamc8443a297fa4: Already exists3117594fcbaa: Already exists85ca0e82a234: Already exists1c1f02d52226: Already existsfe9d3c2e10e2: Already exists2217026faa73: Already exists1fef585d5a09: Already exists0d0070c18c6d: Already existsc51172af0160: Already existsdf8875cc93ac: Already exists67847aef0407: Already exists36beb7078293: Already exists191136a5f5c0: Already exists714757d72e7f: Already exists68234c5c011d: Already exists8df6961c36fa: Already existsafa495f7821e: Already exists5f9643dc0d5e: Already existsc5cd204c27b0: Already exists7a188148750f: Already exists0c4a275107e2: Already exists3ce9f77add31: Already exists4f4fb700ef54: Already exists9b27f4cec1f5: Already existsf13f8b8a6ebe: Already exists7347d8d6169e: Already existsd0faf52955c3: Already exists02b89d433f3e: Already exists1f88f6e46b0c: Already exists345b324af9bd: Already existsa95711b9c003: Already existsf874b80e803a: Already exists82c952ade8b1: Already exists8c8b9ca5e561: Already existsb34ef319e463: Already exists888dc0bf1f1f: Already exists083ae27b8914: Already exists529d05c22b93: Already exists0b92011566a7: Already exists3e1d10060b32: Already existsee8d3043c790: Already existse3a60f552012: Already exists653f55382a5b: Already exists8d14638d4c9a: Already existsff60b4d2cd24: Already existsDigest: sha256:a53df5177072d740150fd7867bf57ab82a04bbcdb53a31eb989e5210feb6a8feStatus: Downloaded newer image for ocaml/opam@sha256:a53df5177072d740150fd7867bf57ab82a04bbcdb53a31eb989e5210feb6a8fe2026-01-16 12:28.15 ---> using "ec68c8b6664fb3aba59d0ad783bcdc1eb1d65a5507850508cc1bdde5936f87fd" from cache/: (comment debian-12-4.14_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-01-16 12:28.15 ---> using "6904a47df833707962bb1f36157d861a2ead392496ef0d0eb6787eeedecbbedd" from cache/src: (run (shell "opam init --reinit -ni"))Configuring from /home/opam/.opamrc and then from built-in defaults.Checking for available remotes: rsync and local, git.- you won't be able to use mercurial repositories unless you install the hg command on your system.- you won't be able to use darcs repositories unless you install the darcs command on your system.This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] y[NOTE] The 'jobs' option was reset, its value was 255 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:opam option jobs=255 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-01-16 12:28.15 ---> using "c852358e5bf202a887a7bff52fbe86206e84fb8c9381d24636bfecbb2f5a38b8" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-90-genericThe OCaml toplevel, version 4.14.22.5.02026-01-16 12:28.15 ---> using "e3798ce077c0b3785b77b0e9576de88e82d7972ac1b256e30b4db0081d95f814" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-16 12:28.15 ---> using "5aceebb8c1931d493d24a245f4c6006ab690dfb69f3082dd7fbf55b83092d8ff" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD235b964523..873cb18c37 master -> origin/master873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.4.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-01-16 12:28.15 ---> using "7e4d6a064071eea8b0eb60fb25b03dcf9803a57fab4899483e5e2630c2eaef33" from cache/src: (copy (src bun.opam) (dst ./))2026-01-16 12:28.15 ---> using "7109981607631149903c3dd04a9d643bae6faa9a4c920dd8ce1cca6520e41cf8" from cache/src: (run (network host)(shell "opam pin add -yn bun.dev './'"))[bun.dev] synchronised (file:///src)bun is now pinned to file:///src (version dev)2026-01-16 12:28.15 ---> using "02d9107bb76528638eec1bb901d4095329b3619c4d2dfecc73882eec2d6feebe" from cache/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-16 12:28.15 ---> using "cc26e72cb020c8fbd2bc968827ebcb6ab1f7e5cf4afc979c8dc7c5a3ae8365cc" from cache/src: (env DEPS "afl.2.52b afl-persistent.1.4 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bos.0.2.1 cmdliner.2.1.0 cppo.1.8.0 crowbar.0.2.2 csexp.1.5.2 dune.3.21.0 dune-configurator.3.21.0 fmt.0.11.0 fpath.0.7.3 logs.0.10.0 lwt.6.0.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 rresult.0.7.0 topkg.1.1.1")/src: (env CI true)/src: (env OCAMLCI true)/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y bun.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Get:1 http://deb.debian.org/debian bookworm InRelease [151 kB]- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]- Get:4 http://deb.debian.org/debian bookworm/main amd64 Packages [8792 kB]- Get:5 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [291 kB]- Fetched 9337 kB in 3s (3623 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[bun.dev] synchronised (file:///src)[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).# To update the current shell environment, run: eval $(opam env)2026-01-16 12:28.15 ---> using "d10079e0ffa93c9e0a957018c885fb3699c70cbe2b5dd14ca5abb135d8480324" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).The following actions will be performed:=== install 20 packages- install afl 2.52b- install afl-persistent 1.4- install astring 0.8.5- install base-bytes base- install bos 0.2.1- install cmdliner 2.1.0- install cppo 1.8.0- install crowbar 0.2.2- install csexp 1.5.2- install dune 3.21.0- install dune-configurator 3.21.0- install fmt 0.11.0- install fpath 0.7.3- install logs 0.10.0- install lwt 6.0.0- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install rresult 0.7.0- install topkg 1.1.1<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved afl.2.52b (cached)-> retrieved afl-persistent.1.4 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved bos.0.2.1 (cached)-> retrieved crowbar.0.2.2 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved fpath.0.7.3 (cached)-> retrieved logs.0.10.0 (cached)-> retrieved lwt.6.0.0 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved rresult.0.7.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved dune.3.21.0, dune-configurator.3.21.0 (cached)-> installed cmdliner.2.1.0-> installed ocamlbuild.0.16.1-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed afl.2.52b-> installed topkg.1.1.1-> installed rresult.0.7.0-> installed fmt.0.11.0-> installed astring.0.8.5-> installed fpath.0.7.3-> installed dune.3.21.0-> installed afl-persistent.1.4-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed crowbar.0.2.2-> installed ocplib-endian.1.2-> installed dune-configurator.3.21.0-> installed lwt.6.0.0-> installed logs.0.10.0-> installed bos.0.2.1Done.<><> afl-persistent.1.4 installed successfully ><><><><><><><><><><><><><><><><>=> afl-persistent is installed, but since the current OCaml compiler doesnot enable AFL instrumentation by default, most packages will not beinstrumented and fuzzing with afl-fuzz may not be effective.To globally enable AFL instrumentation, create an OCaml switch like:opam switch create 4.14.2+afl ocaml-variants.4.14.2+options ocaml-option-afl# To update the current shell environment, run: eval $(opam env)2026-01-16 12:29.54 ---> saved as "14c0256150133c206eccd940b03e5d1316a588af4e74354e33876a6f4851af09"/src: (copy (src .) (dst /src))2026-01-16 12:29.54 ---> saved as "5780f940f75c0001c0b3722bf70f2589265b7ff536685664f49d6d54741742d6"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/test && /usr/bin/bash -e -u -o pipefail -c '! timeout 30s ../src/bun.exe -vv --max-cores=2 ./short.exe') > _build/default/test/shorttest-output12:29.56:[EXEC:55]['afl-gotcpu']12:29.56:[EXEC:56]['grep' 'more processes on ']12:29.57:[DEBUG]cores line: 2 to 6 cores. <<<12:29.57:[INFO]2 available cores detected!12:29.57:[INFO]Executing /home/opam/.opam/4.14/bin/afl-fuzz -m 200 -i input -o output -M 1 -- ./short.exe @@12:29.57:[INFO]/home/opam/.opam/4.14/bin/afl-fuzz launched: PID 12912:29.57:[INFO]Executing /home/opam/.opam/4.14/bin/afl-fuzz -m 200 -i input -o output -S 2 -- ./short.exe @@12:29.57:[INFO]/home/opam/.opam/4.14/bin/afl-fuzz launched: PID 13012:29.58:[EXEC:138]['base64' '-w' '0''output/2/crashes/id:000000,sig:06,src:000000,op:havoc,rep:64']12:29.58:[INFO]Terminating fuzzer 1 (pid=129)12:29.58:[INFO]Fuzzer 1 (pid=129) shut down, as requestedbun: All fuzzers finished, but some crashes were found!(cd _build/default/test && /usr/bin/bash -e -u -o pipefail -c 'grep '\''Crashes found!'\'' shorttest-output || (cat shorttest-output; echo FAILED; exit 1)')Crashes found! Take a look; copy/paste to save for reproduction:12:29.57:Fuzzers launched: [1 (pid=129); 2 (pid=130)].afl-fuzz 2.52b by <lcamtuf@google.com>[+] Disabling the UI because AFL_NO_UI is set.[+] You have 72 CPU cores and 142 runnable tasks (utilization: 197%).[!] WARNING: System under apparent load, performance may be spotty.[!] WARNING: Not binding to a CPU core (AFL_NO_AFFINITY set).[*] Checking core_pattern...[*] Setting up output directories...[*] Scanning 'input'...[+] No auto-generated dictionary tokens to reuse.[*] Creating hard links for all input files...[*] Validating target binary...[+] Persistent mode binary detected.[*] Attempting dry run with 'id:000000,orig:bun_autogenerated_seed'...[*] Spinning up the fork server...[+] All right - fork server is up.len = 396, map size = 1, exec speed = 284 us[+] All test cases processed.[+] Here are some useful stats:Test case count : 1 favored, 0 variable, 1 totalBitmap range : 1 to 1 bits (average: 1.00 bits)Exec timing : 284 to 284 us (average: 284 us)[*] No -t option specified, so I'll use exec timeout of 20 ms.[+] All set and ready to roll![*] Entering queue cycle 1.[*] Fuzzing test case #0 (1 total, 0 uniq crashes found)...afl-fuzz 2.52b by <lcamtuf@google.com>[+] Disabling the UI because AFL_NO_UI is set.[+] You have 72 CPU cores and 142 runnable tasks (utilization: 197%).[!] WARNING: System under apparent load, performance may be spotty.[!] WARNING: Not binding to a CPU core (AFL_NO_AFFINITY set).[*] Checking core_pattern...[*] Setting up output directories...[*] Scanning 'input'...[+] No auto-generated dictionary tokens to reuse.[*] Creating hard links for all input files...[*] Validating target binary...[+] Persistent mode binary detected.[*] Attempting dry run with 'id:000000,orig:bun_autogenerated_seed'...[*] Spinning up the fork server...[+] All right - fork server is up.len = 396, map size = 1, exec speed = 303 us[+] All test cases processed.[+] Here are some useful stats:Test case count : 1 favored, 0 variable, 1 totalBitmap range : 1 to 1 bits (average: 1.00 bits)Exec timing : 303 to 303 us (average: 303 us)[*] No -t option specified, so I'll use exec timeout of 20 ms.[+] All set and ready to roll![*] Entering queue cycle 1.[*] Fuzzing test case #0 (1 total, 0 uniq crashes found)...[*] Entering queue cycle 2.[*] Fuzzing test case #0 (1 total, 1 uniq crashes found)...[*] Entering queue cycle 3.[*] Fuzzing test case #0 (1 total, 1 uniq crashes found)...+++ Testing aborted programmatically +++[+] We're done here. Have a nice day!12:29.58:Fuzzer 2 (pid=130) finishedCrashes found! Take a look; copy/paste to save for reproduction:echo AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAALkAAAAAAAAAAAAAAAAAAAAAAAAAAAA= | base64 -d > crash_0.$(date -u +%s)2026-01-16 12:29.58 ---> saved as "c02d67c63c0394fba6a218a7f28cd1f2875245a8608710ba78dbf02a46189517"Job succeeded2026-01-16 12:29.58: Job succeeded