Mika Fischer bff6ea49b8 node-api: fix data race and use-after-free in napi_threadsafe_function ...

Other threads can still hold a valid handle to the tsfn after
finalization if finalization was triggered by
- release with napi_tsfn_abort, or
- environment shutdown

Handle this by:
- protecting finalization itself with the mutex
- if necessary, delay deletion after finalization to when thread_count
  drops to 0
- releasing all resources as soon as possible before deletion

Fixes: https://github.com/nodejs/node/issues/55706
PR-URL: https://github.com/nodejs/node/pull/55877
Co-Authored-By: Gabriel Schulhof <gabrielschulhof@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>

2025-11-27 11:30:06 +00:00

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binding.cc

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binding.gyp

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test.js

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