Crash in `test_free_threading.test_monitoring.SetProfileMultiThreaded.test_instrumentation`

[colesbury]

Crash report

The 3.13 refleaks build crashed with the following assertion error:

Python/instrumentation.c:1227: _Py_call_instrumentation_line: Assertion `debug_check_sanity(tstate->interp, code)' failed.
Fatal Python error: Aborted
Thread 0x00007f12c9ffb640 (most recent call first):
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 31 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 40 in python: Python/instrumentation.c:1227: _Py_call_instrumentation_line: Assertion `debug_check_sanity(tstate->interp, code)' failed.
start_work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/threading.py", line 990 in run
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/threading.py", line 1039 in _bootstrap_inner
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/threading.py", line 1010 in _bootstrap
Thread 0x00007f12cb7fe640 (most recent call first):
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 31 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34
1 test failed again:
    test_free_threading

https://buildbot.python.org/all/#/builders/1431/builds/88/steps/5/logs/stdio

Linked PRs

• gh-120158: Fix inconsistent monitoring state when setting events too frequently #141845
• [3.14] gh-120158: Fix inconsistent monitoring state when setting events too frequently (gh-141845) #141879
• [3.13] gh-120158: Fix inconsistent monitoring state when setting events too frequently (gh-141845) #141880

[colesbury]

cc @DinoV

[Fidget-Spinner]

I don't see any crashes anymore related to this test after I submitted the fix. So closing this as fixed.

[colesbury]

Buildbot failure reported by @encukou: https://buildbot.python.org/all/#/builders/1226/builds/2150/steps/5/logs/stdio

[encukou]

Another one here: https://buildbot.python.org/all/#/builders/1610/builds/1822/steps/6/logs/stdio

[encukou]

Another one here: https://buildbot.python.org/all/#/builders/1610/builds/2047/steps/6/logs/stdio