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[3.14] gh-137007: Track executor before any possible deallocations (GH-137016) (GH-142541)

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gh-137007: Track executor before any possible deallocations (GH-137016)
(cherry picked from commit 97e19014dd)

Co-authored-by: Ken Jin <kenjin@python.org>
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Miss Islington (bot) 2025-12-10 23:54:28 +01:00 • committed by GitHub
parent cbec73cf63
commit acd5b97082
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2 changed files with 5 additions and 1 deletions
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1
Misc/NEWS.d/next/Core_and_Builtins/2025-07-22-16-20-06.gh-issue-137007.1oPvvK.rst Normal file
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@ -0,0 +1 @@
Fix a bug during JIT compilation failure which caused garbage collection debug assertions to fail.

5
Python/optimizer.c
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@ -1213,6 +1213,10 @@ make_executor_from_uops(_PyUOpInstruction *buffer, int length, const _PyBloomFil
assert(next_exit == -1);
assert(dest == executor->trace);
assert(dest->opcode == _START_EXECUTOR);
// Note: we MUST track it here before any Py_DECREF(executor) or
// linking of executor. Otherwise, the GC tries to untrack a
// still untracked object during dealloc.
_PyObject_GC_TRACK(executor);
_Py_ExecutorInit(executor, dependencies);
#ifdef Py_DEBUG
char *python_lltrace = Py_GETENV("PYTHON_LLTRACE");
@ -1242,7 +1246,6 @@ make_executor_from_uops(_PyUOpInstruction *buffer, int length, const _PyBloomFil
return NULL;
}
#endif
_PyObject_GC_TRACK(executor);
return executor;
}