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Repl crash when SharedArrayBuffers are disabled #39717

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#41023
Closed
Repl crash when SharedArrayBuffers are disabled#39717
#41023
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codebytere
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confirmed-bugIssues and PRs for confirmed bugs.replIssues and PRs related to the REPL subsystem.

Description

@codebytere
codebytere
opened on Aug 9, 2021

Version

master

Platform

Darwin Shelleys-MBP.fritz.box 20.6.0 Darwin Kernel Version 20.6.0: Wed Jun 23 00:26:31 PDT 2021; root:xnu-7195.141.2~5/RELEASE_X86_64 x86_64

Subsystem

repl

What steps will reproduce the bug?

  1. Run node --no-harmony-sharedarraybuffer
  2. Try to type an arbitrary command
  3. Observe crash:
electron_node on git:a3d0cc7244 ❯ node --no-harmony-sharedarraybuffer       6:25PM
Welcome to Node.js v16.2.0.
Type ".help" for more information.
> snode:internal/readline/emitKeypressEvents:71
            throw err;
            ^

TypeError: SharedArrayBuffer is not a constructor
    at node:internal/worker:96:32
    at NativeModule.compileForInternalLoader (node:internal/bootstrap/loaders:312:7)
    at nativeModuleRequire (node:internal/bootstrap/loaders:341:14)
    at node:worker_threads:11:5
    at NativeModule.compileForInternalLoader (node:internal/bootstrap/loaders:312:7)
    at nativeModuleRequire (node:internal/bootstrap/loaders:341:14)
    at node:inspector:32:26
    at NativeModule.compileForInternalLoader (node:internal/bootstrap/loaders:312:7)
    at nativeModuleRequire (node:internal/bootstrap/loaders:341:14)
    at sendInspectorCommand (node:internal/util/inspector:14:21)

How often does it reproduce? Is there a required condition?

100%

What is the expected behavior?

The repl does not crash.

What do you see instead?

The repl crashes.

Additional information

No response

Activity

  1. codebytere
    added
    replIssues and PRs related to the REPL subsystem.
    on Aug 9, 2021
  2. codebytere
    self-assigned this
    on Aug 9, 2021
  3. tniessen
    added
    confirmed-bugIssues and PRs for confirmed bugs.
    on Aug 9, 2021
  4. BridgeAR
    added a commit that references this issue on Feb 17, 2023

    lib: do not crash using workers with disabled shared array buffers

    ed3865f
  5. aduh95
    closed this as completedin #41023on Feb 18, 2023
  6. aduh95
    added a commit that references this issue on Feb 18, 2023

    lib: do not crash using workers with disabled shared array buffers

    fbd55a8
  7. MylesBorins
    added 2 commits that reference this issue on Feb 18, 2023

    lib: do not crash using workers with disabled shared array buffers

    3d2988e

    lib: do not crash using workers with disabled shared array buffers

    4aebee6

  8. 13 remaining items

  9. victorgomes
    added a commit that references this issue on Apr 23, 2024

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    dae64ec
  10. victorgomes
    added a commit that references this issue on Jun 3, 2024

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    5901e39
  11. pthier
    added a commit that references this issue on Jul 15, 2024

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    83c41bf
  12. victorgomes
    added a commit that references this issue on Aug 22, 2024

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    3efab1a
  13. pthier
    added a commit that references this issue on Oct 2, 2024

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    44da72c
  14. victorgomes
    added a commit that references this issue on Nov 18, 2024

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    c070278
  15. victorgomes
    added a commit that references this issue on Dec 18, 2024

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    58febf0
  16. victorgomes
    added a commit that references this issue on Jan 20, 2025

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    c4718ec
  17. pthier
    added a commit that references this issue on Mar 17, 2025

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    d004706
  18. pthier
    added a commit that references this issue on Jun 27, 2025

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    bd40a2f
  19. pthier
    added a commit that references this issue on Aug 21, 2025

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    b43090e
  20. victorgomes
    added a commit that references this issue on Sep 26, 2025

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    3ba028f
  21. pthier
    added a commit that references this issue on Nov 21, 2025

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    87dcf91
  22. victorgomes
    added a commit that references this issue on Feb 24, 2026

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    9683c49
  23. pthier
    added a commit that references this issue on Apr 16, 2026

    Skip test depending on always-true removed --harmony-atomics flag (#155)

    26dba89
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