[3.14] gh-136870: fix data race in PyThreadState_Clear on sys_tracing_threads (GH-136951)
#136953
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…ng_threads` (pythonGH-136951) In free-threading, multiple threads can be cleared concurrently as such the modifications on `sys_tracing_threads` should be done while holding the profile lock, otherwise it can race with other threads setting up profiling. (cherry picked from commit f183996) Co-authored-by: Kumar Aditya <kumaraditya@python.org>
This was referenced Jul 21, 2025
kumaraditya303
approved these changes
Jul 21, 2025
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In free-threading, multiple threads can be cleared concurrently as such the modifications on
sys_tracing_threadsshould be done while holding the profile lock, otherwise it can race with other threads setting up profiling.(cherry picked from commit f183996)
Co-authored-by: Kumar Aditya kumaraditya@python.org