memory leak in _PyJit_TryInitializeTracing #141542
Description
Bug report
Bug description:
import threading
import time
import unittest
class TestCpuModeFiltering(unittest.TestCase):
def idle_worker():
try:
time.sleep(5)
except Exception:
return
def cpu_active_worker():
end = time.time() + 0.1
x = 0
while time.time() < end:
x += 1
cpu_thread = threading.Thread(target=cpu_active_worker, name="cpu_active_worker", daemon=True)
cpu_thread.start()
self.assertIn('idle_worker', wall_mode_output)
if __name__ == "__main__":
unittest.main()=================================================================
==2566930==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 72000 byte(s) in 1 object(s) allocated from:
#0 0x5ceb3b3f4c38 in malloc (/home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/python+0x35fc38) (BuildId: 1f588d55837e5ca248154490b63acc5259fe73cf)
#1 0x5ceb3bc6ac41 in _PyJit_TryInitializeTracing /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Python/optimizer.c:981:70
#2 0x5ceb3b9bd742 in _PyEval_EvalFrameDefault /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Python/generated_cases.c.h:7660:32
#3 0x5ceb3b989f0a in _PyEval_EvalFrame /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Include/internal/pycore_ceval.h:121:16
#4 0x5ceb3b989f0a in _PyEval_Vector /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Python/ceval.c:2111:12
#5 0x5ceb3b6076ef in _PyObject_VectorcallTstate /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Include/internal/pycore_call.h:169:11
#6 0x5ceb3b604b69 in method_vectorcall /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Objects/classobject.c:73:20
#7 0x5ceb3ba57092 in _PyObject_VectorcallTstate /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Include/internal/pycore_call.h:169:11
#8 0x5ceb3ba57092 in context_run /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Python/context.c:728:29
#9 0x5ceb3b627143 in method_vectorcall_FASTCALL_KEYWORDS /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Objects/descrobject.c:421:24
#10 0x5ceb3b5fa6ff in _PyObject_VectorcallTstate /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Include/internal/pycore_call.h:169:11
#11 0x5ceb3b9cd870 in _PyEval_EvalFrameDefault /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Python/generated_cases.c.h:1620:35
#12 0x5ceb3b989f0a in _PyEval_EvalFrame /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Include/internal/pycore_ceval.h:121:16
#13 0x5ceb3b989f0a in _PyEval_Vector /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Python/ceval.c:2111:12
#14 0x5ceb3b6076ef in _PyObject_VectorcallTstate /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Include/internal/pycore_call.h:169:11
#15 0x5ceb3b604b69 in method_vectorcall /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Objects/classobject.c:73:20
#16 0x5ceb3b5fcea9 in _PyVectorcall_Call /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Objects/call.c:273:16
#17 0x5ceb3bed35fa in thread_run /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Modules/_threadmodule.c:387:21
#18 0x5ceb3bd3ba75 in pythread_wrapper /home/fuzz/WorkSpace/flowfusion-cpython/cpython/build/../Python/thread_pthread.h:234:5
#19 0x5ceb3b3f24ba in asan_thread_start(void*) asan_interceptors.cpp.o
SUMMARY: AddressSanitizer: 72000 byte(s) leaked in 1 allocation(s).
CPython versions tested on:
CPython main branch
Operating systems tested on:
Linux