fromthreadingimportThreadav=memoryview(b"something")av.release()alive= [Thread(target=av.release,args=('/bin/sh')),Thread(target=av.__iter__,args=())]forobjinalive:try:print('START',obj)obj.start()exceptException:pass

Fatal Python error: _Py_CheckFunctionResult: a function returned a result with an exception setPython runtime state: initializedValueError: operation forbidden on released memoryview objectThe above exception was the direct cause of the following exception:SystemError: <method-wrapper '__iter__' of memoryview object at 0x200006a6050> returned a result with an exception setAborted

Exception in thread Thread-1 (release):Fatal Python error: _Py_CheckFunctionResult: a function returned a result with an exception setPython runtime state: initializedValueError: operation forbidden on released memoryview objectThe above exception was the direct cause of the following exception:SystemError: <method-wrapper '__iter__' of memoryview object at 0x200006a6050> returned a result with an exception setCurrent thread 0x00007f750b5d0640 (most recent call first):  File "/home/danzin/projects/mycpython/Lib/threading.py", line 992 in run  File "/home/danzin/projects/mycpython/Lib/threading.py", line 1041 in _bootstrap_inner  File "/home/danzin/projects/mycpython/Lib/threading.py", line 1012 in _bootstrapThread 0x00007f750bdd5640 (most recent call first):  File "<frozen importlib._bootstrap_external>", line 142 in _path_splitPython/traceback.c:979:18: runtime error: member access within misaligned address 0x000000000001 for type 'struct _PyInterpreterFrame', which requires 8 byte alignment0x000000000001: note: pointer points here<memory cannot be printed>Segmentation fault

0x00005555564d6e71 in _PyFrame_GetCode (f=0x7ffff6bbcca8)    at ./Include/internal/pycore_frame.h:83#1  PyUnstable_InterpreterFrame_GetLine (    frame=frame@entry=0x7ffff6bbcca8) at Python/frame.c:146#2  0x00005555565ffb1e in dump_frame (fd=fd@entry=2,    frame=frame@entry=0x7ffff6bbcca8) at Python/traceback.c:905#3  0x00005555565fffcc in dump_traceback (fd=fd@entry=2,    tstate=tstate@entry=0x555557130d20,    write_header=write_header@entry=0)    at Python/traceback.c:974#4  0x00005555566001e0 in _Py_DumpTracebackThreads (    fd=fd@entry=2, interp=<optimized out>,    interp@entry=0x555557052280 <_PyRuntime+129152>,    current_tstate=current_tstate@entry=0x5555571351d0)    at Python/traceback.c:1090#5  0x00005555565888f1 in _Py_FatalError_DumpTracebacks (    fd=fd@entry=2,    interp=interp@entry=0x555557052280 <_PyRuntime+129152>,    tstate=tstate@entry=0x5555571351d0)    at Python/pylifecycle.c:2937#6  0x000055555659b12b in fatal_error (fd=2,    header=header@entry=1,    prefix=prefix@entry=0x555556811220 <__func__.23>"_Py_CheckFunctionResult",    msg=msg@entry=0x555556810c80"a function returned a result with an exception set", status=status@entry=-1)    at Python/pylifecycle.c:3245#7  0x000055555659b2ca in _Py_FatalErrorFunc (    func=func@entry=0x555556811220 <__func__.23>"_Py_CheckFunctionResult",    msg=msg@entry=0x555556810c80"a function returned a result with an exception set") at Python/pylifecycle.c:3286#8  0x0000555555ee822c in _Py_CheckFunctionResult (    tstate=tstate@entry=0x5555571351d0,result=result@entry=0x20004040130, where=where@entry=0x0)    at Objects/call.c:65