# triggering program
# based on test.test_faulthandler.FaultHandlerTests.test_dump_traceback_threads
import faulthandler
from threading import Thread, Event
class Waiter(Thread):
    def __init__(self):
        Thread.__init__(self)
        self.running = Event()
        self.stop = Event()
    def run(self):
        self.running.set()
        self.stop.wait()
def main():
    for i in range(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:83
83	    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})
[...]