# triggering program# based on test.test_faulthandler.FaultHandlerTests.test_dump_traceback_threadsimportfaulthandlerfromthreadingimportThread,EventclassWaiter(Thread):def__init__(self):Thread.__init__(self)self.running=Event()self.stop=Event()defrun(self):self.running.set()self.stop.wait()defmain():foriinrange(100):waiter=Waiter()waiter.start()waiter.running.wait()faulthandler.dump_traceback(all_threads=True)waiter.stop.set()waiter.join()if__name__=='__main__':main()

Thread 1 "python" received signal SIGSEGV, Segmentation fault._PyFrame_GetCode (f=f@entry=0x7ffff7fb32d8) at ./Include/internal/pycore_frame.h:8383    assert(PyCode_Check(executable));(gdb) p executable $7 = 0x0(gdb) bt#0  _PyFrame_GetCode (f=f@entry=0x7ffff7fb32d8) at ./Include/internal/pycore_frame.h:83#1  PyUnstable_InterpreterFrame_GetLine (frame=frame@entry=0x7ffff7fb32d8) at Python/frame.c:149#2  0x000055555590e9eb in dump_frame (fd=2, frame=0x7ffff7fb32d8) at Python/traceback.c:905#3  dump_traceback (fd=fd@entry=2, tstate=tstate@entry=0x555555cef140, write_header=write_header@entry=0) at Python/traceback.c:974#4  0x000055555590ed1c in _Py_DumpTracebackThreads (fd=2, interp=<optimized out>, interp@entry=0x0, current_tstate=0x555555c5dea8 <_PyRuntime+359528>) at Python/traceback.c:1090#5  0x0000555555924489 in faulthandler_dump_traceback_py (self=<optimized out>, args=<optimized out>, kwargs=<optimized out>) at ./Modules/faulthandler.c:240#6  0x00005555556feae1 in cfunction_call (func=func@entry=<built-in method dump_traceback of module object at remote 0x20000778900>, args=args@entry=(), kwargs=kwargs@entry={'all_threads': True})[...]