New submission from STINNER Victor:
Attached crash.py script does crash Python.
Python traceback on the crash:
(gdb) py-bt
Traceback (most recent call first):
File "/home/haypo/prog/python/default/Lib/tokenize.py", line 431, in open
text = TextIOWrapper(buffer, encoding, line_buffering=True)
File "/home/haypo/prog/python/default/Lib/linecache.py", line 126, in
updatecache
with tokenize.open(fullname) as fp:
File "/home/haypo/prog/python/default/Lib/linecache.py", line 41, in getlines
return updatecache(filename, module_globals)
File "/home/haypo/prog/python/default/Lib/linecache.py", line 15, in getline
lines = getlines(filename, module_globals)
File "/home/haypo/prog/python/default/Lib/traceback.py", line 65, in
_extract_tb_or_stack_iter
line = linecache.getline(filename, lineno, f.f_globals)
File "/home/haypo/prog/python/default/Lib/traceback.py", line 18, in
_format_list_iter
for filename, lineno, name, line in extracted_list:
File "/home/haypo/prog/python/default/Lib/traceback.py", line 153, in
_format_exception_iter
yield from _format_list_iter(_extract_tb_iter(tb, limit=limit))
File "/home/haypo/prog/python/default/Lib/traceback.py", line 181, in
format_exception
return list(_format_exception_iter(etype, value, tb, limit, chain))
File "/home/haypo/prog/python/default/Lib/asyncio/futures.py", line 178, in
__del__
exc.__traceback__)
Garbage-collecting
End of the C traceback:
#46 0x00000000005aa742 in PyEval_CallObjectWithKeywords (func=<method at remote
0x7ffff19e79f8>, arg=(), kw=0x0) at Python/ceval.c:4107
#47 0x00000000004ee268 in slot_tp_finalize (
self=<Future(_state='FINISHED', _exception=ValueError(),
_loop=<_UnixSelectorEventLoop(_selector=<EpollSelector(_epoll=<select.epoll at
remote 0x7ffff0dd3a18>, _fd_to_key={9: <SelectorKey at remote 0x7fffeefaa0e0>},
_map=<_SelectorMapping(_selector=<...>) at remote 0x7ffff18eae90>) at remote
0x7ffff18ea1f8>, _running=False, _signal_handlers={}, _default_executor=None,
_ssock=<socket at remote 0x7fffef7e6e68>, _internal_fds=1, _scheduled=[],
_ready=<collecti---Type <return> to continue, or q <return> to quit---
ons.deque at remote 0x7ffff18c56e0>, _csock=<socket at remote 0x7fffeefb5958>)
at remote 0x7ffff18ea190>, _log_traceback=True, _callbacks=[]) at remote
0x7ffff18ea0c0>) at Objects/typeobject.c:5954
#48 0x000000000043b530 in finalize_garbage (collectable=0x7fffffffdc90,
old=0x8eea20 <generations+64>) at Modules/gcmodule.c:793
#49 0x000000000043bce5 in collect (generation=2, n_collected=0x0,
n_uncollectable=0x0, nofail=1) at Modules/gcmodule.c:1009
#50 0x000000000043cff4 in _PyGC_CollectNoFail () at Modules/gcmodule.c:1625
#51 0x00000000005cd873 in PyImport_Cleanup () at Python/import.c:383
#52 0x000000000041e898 in Py_Finalize () at Python/pythonrun.c:622
#53 0x000000000043a65c in Py_Main (argc=2, argv=0x970020) at Modules/main.c:800
#54 0x000000000041aad9 in main (argc=2, argv=0x7fffffffe0b8) at
./Modules/python.c:69
----------
files: crash.py
messages: 206707
nosy: haypo
priority: normal
severity: normal
status: open
title: Calling traceback.format_exception() during Pyhon shutdown does crash
Python
versions: Python 3.4
Added file: http://bugs.python.org/file33239/crash.py
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue20037>
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