This occurs when running the GC and then calling the finalization of an IO object, which temporarily resurrects the object to call its close() method:
#0 0x00007fc20bc1609b in raise () from /lib64/libpthread.so.0
#1 0x00000000005328e7 in faulthandler_fatal_error (signum=11) at ./Modules/faulthandler.c:299
#2 <signal handler called>
#3 0x00000000004190c7 in _PyObject_GenericGetAttrWithDict (obj=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>,
name='close', dict=0x0) at Objects/object.c:982
#4 0x0000000000419581 in PyObject_GenericGetAttr (obj=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>, name=
'close') at Objects/object.c:1046
#5 0x0000000000418a38 in PyObject_GetAttr (v=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>, name='close')
at Objects/object.c:831
#6 0x00000000004818b4 in PyEval_EvalFrameEx (f=
Frame 0x7fc2065ee9e8, for file /home/antoine/cpython/default/Lib/http/client.py, line 451, in close (self=<HTTPResponse(fp=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>, status='UNKNOWN', will_close='UNKNOWN', chunk_left='UNKNOWN', length='UNKNOWN', headers=None, reason='UNKNOWN', version='UNKNOWN', debuglevel=0, msg=None, chunked='UNKNOWN', _method='GET') at remote 0x7fc20688a220>), throwflag=0) at Python/ceval.c:2268
#7 0x0000000000487a2f in PyEval_EvalCodeEx (_co=<code at remote 0x7fc206992d30>, globals=
{'BadStatusLine': <type at remote 0x1b21a80>, '__cached__': '/home/antoine/cpython/default/Lib/http/__pycache__/client.cpython-32.pyc', '_UNKNOWN': 'UNKNOWN', 'SWITCHING_PROTOCOLS': 101, 'urlsplit': <function at remote 0x7fc2069d66d8>, 'InvalidURL': <type at remote 0x1b1d490>, 'collections': <module at remote 0x7fc20bef58d0>, 'SERVICE_UNAVAILABLE': 503, 'CREATED': 201, '__file__': '/home/antoine/cpython/default/Lib/http/client.py', 'PROCESSING': 102, 'PRECONDITION_FAILED': 412, 'ssl': <module at remote 0x7fc2068588d0>, 'NOT_ACCEPTABLE': 406, 'HTTPConnection': <type at remote 0x1b01f90>, 'NotConnected': <type at remote 0x1b1c5d0>, 'MULTI_STATUS': 207, 'OK': 200, 'UnknownProtocol': <type at remote 0x1b1d830>, '_CS_REQ_STARTED': 'Request-started', 'email': <module at remote 0x7fc20698c858>, 'NOT_IMPLEMENTED': 501, 'CannotSendRequest': <type at remote 0x1aff730>, 'BAD_GATEWAY': 502, 'CannotSendHeader': <type at remote 0x1affad0>, 'LENGTH_REQUIRED': 411, 'parse_headers': <function at remote 0x7fc20692dec0>, 'HTTP_...(truncated), locals=0x0, args=0x7fc20688a868, argcount=1, kws=0x0, kwcount=0, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0)
at Python/ceval.c:3301
#8 0x0000000000576a36 in function_call (func=<function at remote 0x7fc2068c9900>, arg=
(<HTTPResponse(fp=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>, status='UNKNOWN', will_close='UNKNOWN', chunk_left='UNKNOWN', length='UNKNOWN', headers=None, reason='UNKNOWN', version='UNKNOWN', debuglevel=0, msg=None, chunked='UNKNOWN', _method='GET') at remote 0x7fc20688a220>,), kw=0x0) at Objects/funcobject.c:629
#9 0x000000000053f975 in PyObject_Call (func=<function at remote 0x7fc2068c9900>, arg=
(<HTTPResponse(fp=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>, status='UNKNOWN', will_close='UNKNOWN', chunk_left='UNKNOWN', length='UNKNOWN', headers=None, reason='UNKNOWN', version='UNKNOWN', debuglevel=0, msg=None, chunked='UNKNOWN', _method='GET') at remote 0x7fc20688a220>,), kw=0x0) at Objects/abstract.c:2149
#10 0x000000000055c1a1 in method_call (func=<function at remote 0x7fc2068c9900>, arg=
(<HTTPResponse(fp=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>, status='UNKNOWN', will_close='UNKNOWN', chunk_left='UNKNOWN', length='UNKNOWN', headers=None, reason='UNKNOWN', version='UNKNOWN', debuglevel=0, msg=None, chunked='UNKNOWN', _method='GET') at remote 0x7fc20688a220>,), kw=0x0) at Objects/classobject.c:319
#11 0x000000000053f975 in PyObject_Call (func=<method at remote 0x7fc20686aba0>, arg=(), kw=0x0)
at Objects/abstract.c:2149
#12 0x000000000054054c in PyObject_CallMethodObjArgs (callable=<method at remote 0x7fc20686aba0>, name='close')
at Objects/abstract.c:2350
#13 0x0000000000514f2f in _PyIOBase_finalize (self=
<HTTPResponse(fp=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>, status='UNKNOWN', will_close='UNKNOWN', chunk_left='UNKNOWN', length='UNKNOWN', headers=None, reason='UNKNOWN', version='UNKNOWN', debuglevel=0, msg=None, chunked='UNKNOWN', _method='GET') at remote 0x7fc20688a220>) at ./Modules/_io/iobase.c:222
#14 0x0000000000515143 in iobase_dealloc (self=0x7fc20688a220) at ./Modules/_io/iobase.c:285
#15 0x000000000042fc54 in subtype_dealloc (self=
<HTTPResponse(fp=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>, status='UNKNOWN', will_close='UNKNOWN', chunk_left='UNKNOWN', length='UNKNOWN', headers=None, reason='UNKNOWN', version='UNKNOWN', debuglevel=0, msg=None, chunked='UNKNOWN', _method='GET') at remote 0x7fc20688a220>) at Objects/typeobject.c:968
#16 0x000000000041acb1 in _Py_Dealloc (op=
<HTTPResponse(fp=<FakeSocket(io_refs=1) at remote 0x7fc2069d8190>, status='UNKNOWN', will_close='UNKNOWN', chunk_left='UNKNOWN', length='UNKNOWN', headers=None, reason='UNKNOWN', version='UNKNOWN', debuglevel=0, msg=None, chunked='UNKNOWN', _method='GET') at remote 0x7fc20688a220>) at Objects/object.c:1693
#17 0x0000000000572b04 in frame_dealloc (f=
Frame 0x1b6b890, for file /home/antoine/cpython/default/Lib/http/client.py, line 1046, in getresponse ())
#18 0x000000000041acb1 in _Py_Dealloc (op=
Frame 0x1b6b890, for file /home/antoine/cpython/default/Lib/http/client.py, line 1046, in getresponse ())
at Objects/object.c:1693
#19 0x00000000004cb7a6 in tb_dealloc (tb=0x7fc2068693a8) at Python/traceback.c:50
#20 0x000000000041acb1 in _Py_Dealloc (op=<traceback at remote 0x7fc2068693a8>) at Objects/object.c:1693
#21 0x00000000004cb72d in tb_dealloc (tb=0x7fc2068691c8) at Python/traceback.c:49
#22 0x000000000041acb1 in _Py_Dealloc (op=<traceback at remote 0x7fc2068691c8>) at Objects/object.c:1693
#23 0x00000000005650af in BaseException_clear (self=0x7fc2069ee960) at Objects/exceptions.c:59
#24 0x000000000056524f in BaseException_dealloc (self=0x7fc2069ee960) at Objects/exceptions.c:69
#25 0x000000000042fc54 in subtype_dealloc (self=<BadStatusLine at remote 0x7fc2069ee960>)
at Objects/typeobject.c:968
#26 0x000000000041acb1 in _Py_Dealloc (op=<BadStatusLine at remote 0x7fc2069ee960>) at Objects/object.c:1693
#27 0x00000000005651c1 in BaseException_clear (self=0x7fc2069f5990) at Objects/exceptions.c:61
#28 0x00000000005666fa in EnvironmentError_clear (self=0x7fc2069f5990) at Objects/exceptions.c:617
#29 0x0000000000566783 in EnvironmentError_dealloc (self=0x7fc2069f5990) at Objects/exceptions.c:624
#30 0x000000000042fc54 in subtype_dealloc (self=<URLError at remote 0x7fc2069f5990>) at Objects/typeobject.c:968
#31 0x000000000041acb1 in _Py_Dealloc (op=<URLError at remote 0x7fc2069f5990>) at Objects/object.c:1693
#32 0x000000000058e04e in PyDict_Clear (op={}) at Objects/dictobject.c:926
#33 0x0000000000591042 in dict_tp_clear (op={}) at Objects/dictobject.c:1928
#34 0x00000000004da4da in delete_garbage (collectable=0x7fff7ccb0060, old=0x83f680) at Modules/gcmodule.c:739
#35 0x00000000004daa0c in collect (generation=2) at Modules/gcmodule.c:897
#36 0x00000000004dad54 in gc_collect (self=<module at remote 0x7fc20891d510>, args=(), kws=0x0)
at Modules/gcmodule.c:1034 |
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