wip: leaked JSGlobalObject in worker threads

[DonIsaac]

What does this PR do?

• Documentation or TypeScript types (it's okay to leave the rest blank in this case)
• Code changes

How did you verify your code works?

[robobun]

^{Updated 3:26 PM PT - Jan 22nd, 2025}

❌ @DonIsaac, your commit 9a1bda8 has 25 failures in #10352:

• test/js/web/fetch/fetch-leak.test.ts - 1 failing on 🪟 2019 x64-baseline
• test/js/node/test/parallel/test-http-chunk-problem.js - code 1 on 🐧 3.20 x64
• test/js/node/test/parallel/test-http-chunk-problem.js - code 1 on 🐧 3.20 x64-baseline
• test/regression/issue/09041.test.ts - 1 failing on 🐧 24.04 aarch64
• test/js/bun/http/serve.test.ts - segmentation fault on 🐧 22.04 aarch64
• test/js/bun/http/serve.test.ts - segmentation fault on 🐧 24.04 aarch64
• test/js/bun/http/serve.test.ts - segmentation fault on 🐧 20.04 x64-baseline
• test/js/bun/http/serve.test.ts - segmentation fault on 🐧 24.04 x64-baseline
• test/js/bun/http/serve.test.ts - segmentation fault on 🐧 12 x64
• test/js/bun/http/serve.test.ts - segmentation fault on 🐧 12 x64-baseline
• test/js/bun/http/serve.test.ts - segmentation fault on 🐧 24.04 x64
• test/js/bun/http/serve.test.ts - segmentation fault on 🐧 3.20 x64
• test/js/third_party/body-parser/express-bun-build-compile.test.ts - integer overflow on 🪟 2019 x64-baseline
• test/js/third_party/body-parser/express-bun-build-compile.test.ts - integer overflow on 🪟 2019 x64
• test/js/third_party/prisma/prisma.test.ts - segmentation fault on 🪟 2019 x64
• test/js/third_party/prisma/prisma.test.ts - segmentation fault on 🪟 2019 x64-baseline
• test/js/node/test/parallel/test-async-hooks-worker-asyncfn-terminate-3.js - segmentation fault on 🐧 12 aarch64
• test/js/node/test/parallel/test-worker-esmodule.js - segmentation fault at address 0x4 on 🪟 2019 x64-baseline
• test/js/node/test/parallel/test-worker-esmodule.js - segmentation fault on 🍎 14 aarch64
• test/js/node/test/parallel/test-worker-esmodule.js - segmentation fault on 🐧 24.04 x64
• test/js/node/test/parallel/test-worker-esmodule.js - segmentation fault on 🐧 22.04 x64
• test/js/node/test/parallel/test-worker-esmodule.js - segmentation fault on 🐧 12 x64
• test/js/node/test/parallel/test-worker-esmodule.js - segmentation fault on 🐧 20.04 x64
• test/js/node/test/parallel/test-worker-esmodule.js - segmentation fault on 🐧 3.20 x64
• test/js/node/test/parallel/test-worker-esmodule.js - segmentation fault on 🐧 3.20 x64-baseline
• test/js/node/test/parallel/test-worker-esmodule.js - segmentation fault on 🍎 13 aarch64
• test/js/node/child_process/child_process.test.ts - internal assertion failure on 🪟 2019 x64-baseline
• test/js/node/child_process/child_process.test.ts - internal assertion failure on 🪟 2019 x64
• test/js/node/test/parallel/test-worker.mjs - segmentation fault at address 0x1cfc334fb80 on 🪟 2019 x64
• test/js/node/test/parallel/test-worker.mjs - segmentation fault on 🍎 14 aarch64
• test/js/node/test/parallel/test-worker.mjs - segmentation fault at address 0x4 on 🪟 2019 x64-baseline
• test/js/node/test/parallel/test-worker.mjs - segmentation fault on 🐧 22.04 x64-baseline
• test/js/node/test/parallel/test-worker.mjs - segmentation fault on 🐧 24.04 x64-baseline
• test/js/node/test/parallel/test-worker.mjs - segmentation fault on 🐧 24.04 x64
• test/js/node/test/parallel/test-worker.mjs - segmentation fault on 🐧 22.04 x64
• test/js/node/test/parallel/test-worker.mjs - segmentation fault on 🐧 20.04 x64
• test/js/node/test/parallel/test-worker.mjs - segmentation fault on 🐧 3.20 x64-baseline
• test/js/node/test/parallel/test-worker.mjs - segmentation fault on 🍎 13 aarch64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🪟 2019 x64-baseline
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 12 aarch64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 20.04 aarch64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 24.04 aarch64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🪟 2019 x64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🍎 14 aarch64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 3.20 aarch64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🍎 14 x64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 22.04 aarch64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🍎 13 x64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 24.04 x64-baseline
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 12 x64-baseline
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 20.04 x64-baseline
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 22.04 x64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 12 x64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 24.04 x64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 20.04 x64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 22.04 x64-baseline
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 3.20 x64
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🐧 3.20 x64-baseline
• test/js/web/broadcastchannel/broadcast-channel.test.ts - segmentation fault on 🍎 13 aarch64
• test/js/node/test/parallel/test-worker-relative-path-double-dot.js - segmentation fault at address 0x4 on 🪟 2019 x64
• test/js/node/test/parallel/test-worker-relative-path-double-dot.js - segmentation fault at address 0x4 on 🪟 2019 x64-baseline
• test/js/node/test/parallel/test-worker-relative-path-double-dot.js - segmentation fault on 🍎 14 aarch64
• test/js/node/test/parallel/test-worker-relative-path-double-dot.js - segmentation fault on 🐧 22.04 aarch64
• test/js/node/test/parallel/test-worker-relative-path-double-dot.js - segmentation fault on 🐧 12 x64-baseline
• test/js/node/test/parallel/test-worker-relative-path-double-dot.js - segmentation fault on 🐧 24.04 x64
• test/js/node/test/parallel/test-worker-relative-path-double-dot.js - segmentation fault on 🐧 12 x64
• test/js/node/test/parallel/test-worker-relative-path-double-dot.js - segmentation fault on 🐧 3.20 x64-baseline
• test/js/node/test/parallel/test-worker-relative-path-double-dot.js - segmentation fault on 🍎 13 aarch64
• test/js/first_party/ws/ws.test.ts - internal assertion failure on 🪟 2019 x64-baseline
• test/js/node/test/parallel/test-worker-cjs-workerdata.js - segmentation fault on 🍎 14 aarch64
• test/js/node/test/parallel/test-worker-cjs-workerdata.js - segmentation fault at address 0x19cf9113710 on 🪟 2019 x64-baseline
• test/js/node/test/parallel/test-worker-cjs-workerdata.js - segmentation fault on 🐧 24.04 x64-baseline
• test/js/node/test/parallel/test-worker-cjs-workerdata.js - segmentation fault on 🐧 24.04 x64
• test/js/node/test/parallel/test-worker-cjs-workerdata.js - segmentation fault on 🐧 20.04 x64
• test/js/node/test/parallel/test-worker-cjs-workerdata.js - segmentation fault on 🐧 22.04 x64-baseline
• test/js/node/test/parallel/test-worker-cjs-workerdata.js - segmentation fault on 🐧 22.04 x64
• test/js/node/test/parallel/test-worker-cjs-workerdata.js - segmentation fault on 🍎 13 aarch64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault at address 0x4 on 🪟 2019 x64-baseline
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault at address 0x25966613210 on 🪟 2019 x64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🍎 14 aarch64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 12 aarch64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 20.04 aarch64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 24.04 aarch64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🍎 14 x64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 3.20 aarch64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🍎 13 x64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 22.04 aarch64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 20.04 x64-baseline
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 22.04 x64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 12 x64-baseline
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 24.04 x64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 12 x64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 24.04 x64-baseline
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 22.04 x64-baseline
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 20.04 x64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 3.20 x64
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🐧 3.20 x64-baseline
• test/js/node/worker_threads/worker_destruction.test.ts - segmentation fault on 🍎 13 aarch64
• test/js/web/websocket/websocket-client.test.ts - internal assertion failure on 🪟 2019 x64
• test/js/web/websocket/websocket-client.test.ts - internal assertion failure on 🪟 2019 x64-baseline
• test/regression/issue/08095.test.ts - internal assertion failure on 🪟 2019 x64-baseline
• test/regression/issue/08095.test.ts - internal assertion failure on 🪟 2019 x64
• test/js/web/fetch/fetch.test.ts - segmentation fault on 🪟 2019 x64-baseline
• test/js/web/fetch/fetch.test.ts - segmentation fault on 🐧 20.04 aarch64
• test/js/web/fetch/fetch.test.ts - segmentation fault on 🐧 24.04 aarch64
• test/js/web/fetch/fetch.test.ts - segmentation fault on 🐧 3.20 aarch64
• test/js/web/fetch/fetch.test.ts - segmentation fault on 🐧 24.04 x64-baseline
• test/js/web/fetch/fetch.test.ts - segmentation fault on 🐧 12 x64-baseline
• test/js/web/fetch/fetch.test.ts - segmentation fault on 🐧 3.20 x64-baseline
• test/js/web/fetch/fetch.test.ts - segmentation fault on 🍎 13 aarch64
• test/js/node/test/parallel/test-worker-mjs-workerdata.js - segmentation fault at address 0x22e638a1800 on 🪟 2019 x64
• test/js/node/test/parallel/test-worker-mjs-workerdata.js - segmentation fault at address 0x259e3f67940 on 🪟 2019 x64-baseline
• test/js/node/test/parallel/test-worker-mjs-workerdata.js - segmentation fault on 🍎 14 aarch64
• test/js/node/test/parallel/test-worker-mjs-workerdata.js - segmentation fault on 🐧 24.04 x64
• test/js/node/test/parallel/test-worker-mjs-workerdata.js - segmentation fault on 🐧 22.04 x64
• test/js/node/test/parallel/test-worker-mjs-workerdata.js - segmentation fault on 🐧 12 x64
• test/js/node/test/parallel/test-worker-mjs-workerdata.js - segmentation fault on 🐧 3.20 x64
• test/js/node/test/parallel/test-worker-mjs-workerdata.js - segmentation fault on 🐧 3.20 x64-baseline
• test/js/node/test/parallel/test-worker-mjs-workerdata.js - segmentation fault on 🍎 13 aarch64
• test/js/bun/http/bun-serve-body-json-async.test.ts - internal assertion failure on 🪟 2019 x64-baseline
• test/js/bun/http/bun-serve-body-json-async.test.ts - internal assertion failure on 🪟 2019 x64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🪟 2019 x64-baseline
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🪟 2019 x64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 12 aarch64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 24.04 aarch64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 22.04 aarch64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 20.04 aarch64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 3.20 aarch64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🍎 14 aarch64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 24.04 x64-baseline
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 12 x64-baseline
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 20.04 x64-baseline
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 20.04 x64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 12 x64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 22.04 x64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 24.04 x64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🍎 13 x64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🍎 14 x64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 3.20 x64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 3.20 x64-baseline
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🍎 13 aarch64
• test/js/web/workers/worker_blob.test.ts - segmentation fault on 🐧 22.04 x64-baseline
• test/regression/issue/10139.test.ts - segmentation fault on 🪟 2019 x64
• test/regression/issue/10139.test.ts - segmentation fault on 🪟 2019 x64-baseline
• test/js/third_party/postgres/postgres.test.ts - code STATUS_STACK_BUFFER_OVERRUN on 🪟 2019 x64
• test/js/third_party/postgres/postgres.test.ts - code STATUS_STACK_BUFFER_OVERRUN on 🪟 2019 x64-baseline
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 20.04 aarch64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 24.04 aarch64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 12 aarch64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 3.20 aarch64
• test/js/third_party/postgres/postgres.test.ts - SIGTRAP on 🍎 14 aarch64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 22.04 aarch64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 12 x64-baseline
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 22.04 x64-baseline
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 24.04 x64-baseline
• test/js/third_party/postgres/postgres.test.ts - SIGTRAP on 🍎 14 x64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 20.04 x64-baseline
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 20.04 x64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 24.04 x64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 22.04 x64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 12 x64
• test/js/third_party/postgres/postgres.test.ts - SIGTRAP on 🍎 13 x64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 3.20 x64
• test/js/third_party/postgres/postgres.test.ts - SIGABRT on 🐧 3.20 x64-baseline
• test/js/third_party/postgres/postgres.test.ts - SIGTRAP on 🍎 13 aarch64

---

🧪   try this PR locally:

bunx bun-pr 16578

[DonIsaac]

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• wip: leaked JSGlobalObject in worker threads #16578 👈 (View in Graphite)
• fix: un-ref'd source map causing memory leak #16577
• fix: free VirtualMachine's mimalloc arena in debug builds #16576
• main

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