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Title: [3.14] gh-136870: fix data races in instrumentation of bytecode (GH-136994) by miss-islington · Pull Request #137082 · python/cpython · GitHub

Open Graph Title: [3.14] gh-136870: fix data races in instrumentation of bytecode (GH-136994) by miss-islington · Pull Request #137082 · python/cpython

X Title: [3.14] gh-136870: fix data races in instrumentation of bytecode (GH-136994) by miss-islington · Pull Request #137082 · python/cpython

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Open Graph Description: De-instrumenting code objects modifies the thread local bytecode for all threads as such, holding the critical section on the code object is not sufficient and leads to data races. Now, the de-inst...

X Description: De-instrumenting code objects modifies the thread local bytecode for all threads as such, holding the critical section on the code object is not sufficient and leads to data races. Now, the de-inst...

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data races in instrumentation when running coverage under TSAN #136870https://github.com/python/cpython/issues/136870
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