Feb 19, 2026 · Feb 19, 2026 · Feb 19, 2026 · Feb 19, 2026
diff --git a/Include/internal/pycore_opcode_metadata.h b/Include/internal/pycore_opcode_metadata.h
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-02-19-19-23-12.gh-issue-145008.tHYQv6.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-02-19-19-23-12.gh-issue-145008.tHYQv6.rst
 Fix a bug when calling certain methods at the recursion limit which manifested as a corruption of Python's operand stack. Patch by Ken Jin.
diff --git a/Python/bytecodes.c b/Python/bytecodes.c
 macro(CALL_BOUND_METHOD_GENERAL)=
 unused/1+// Skip over the counter
 _CHECK_PEP_523+
 // gh-145008: We must check recursion before expanding method,
 // otherwise we may leave the stack in an inconsistent state in 3.13.
 _CHECK_RECURSION_REMAINING+
 _CHECK_METHOD_VERSION+
 _EXPAND_METHOD+
 _CHECK_RECURSION_REMAINING+
 _PY_FRAME_GENERAL+
 _SAVE_RETURN_OFFSET+
 _PUSH_FRAME;
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Fix a bug when calling certain methods at the recursion limit which manifested as a corruption of Python's operand stack. Patch by Ken Jin.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -3241,9 +3241,11 @@ dummy_func(
		macro(CALL_BOUND_METHOD_GENERAL)=
		unused/1+// Skip over the counter
		_CHECK_PEP_523+
		// gh-145008: We must check recursion before expanding method,
		// otherwise we may leave the stack in an inconsistent state in 3.13.
		_CHECK_RECURSION_REMAINING+
		_CHECK_METHOD_VERSION+
		_EXPAND_METHOD+
		_CHECK_RECURSION_REMAINING+
		_PY_FRAME_GENERAL+
		_SAVE_RETURN_OFFSET+
		_PUSH_FRAME;
Expand Down