Stefan Krah added the comment: It could still be a stack overflow, but on the surface it does not look like one. It's definitely related to the aforementioned revision:
==3442== Invalid read of size 8 ==3442== at 0x49DBD8: _PyDict_Pop (dictobject.c:1743) ==3442== by 0x4A0BE2: dict_pop (dictobject.c:2732) ==3442== by 0x4AA5F8: _PyCFunction_FastCallDict (methodobject.c:229) ==3442== by 0x4AA70B: _PyCFunction_FastCallKeywords (methodobject.c:267) ==3442== by 0x55FE63: call_function (ceval.c:4794) ==3442== by 0x55AA82: _PyEval_EvalFrameDefault (ceval.c:3267) ==3442== by 0x54D9CC: PyEval_EvalFrameEx (ceval.c:718) ==3442== by 0x560123: _PyFunction_FastCall (ceval.c:4876) ==3442== by 0x56023B: fast_function (ceval.c:4906) ==3442== by 0x55FF91: call_function (ceval.c:4815) ==3442== by 0x55AA82: _PyEval_EvalFrameDefault (ceval.c:3267) ==3442== by 0x54D9CC: PyEval_EvalFrameEx (ceval.c:718) ==3442== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==3442== ==3442== ==3442== Process terminating with default action of signal 11 (SIGSEGV) ==3442== Access not within mapped region at address 0x0 ==3442== at 0x49DBD8: _PyDict_Pop (dictobject.c:1743) ==3442== by 0x4A0BE2: dict_pop (dictobject.c:2732) ==3442== by 0x4AA5F8: _PyCFunction_FastCallDict (methodobject.c:229) ==3442== by 0x4AA70B: _PyCFunction_FastCallKeywords (methodobject.c:267) ==3442== by 0x55FE63: call_function (ceval.c:4794) ==3442== by 0x55AA82: _PyEval_EvalFrameDefault (ceval.c:3267) ==3442== by 0x54D9CC: PyEval_EvalFrameEx (ceval.c:718) ==3442== by 0x560123: _PyFunction_FastCall (ceval.c:4876) ==3442== by 0x56023B: fast_function (ceval.c:4906) ==3442== by 0x55FF91: call_function (ceval.c:4815) ==3442== by 0x55AA82: _PyEval_EvalFrameDefault (ceval.c:3267) ==3442== by 0x54D9CC: PyEval_EvalFrameEx (ceval.c:718) ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue28040> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com