[Python-bugs-list] [ python-Bugs-443005 ] 2.2a1: crash via posix_do_stat

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Bugs item #443005, was opened at 2001-07-20 01:48
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Category: Python Interpreter Core
>Group: Platform-specific
Status: Open
>Resolution: Works For Me
>Priority: 3
Submitted By: Uwe Zessin (zessin_5)
Assigned to: Nobody/Anonymous (nobody)
Summary: 2.2a1: crash via posix_do_stat

Initial Comment:
I've done a port to OpenVMS.

I get a crash during Python initialization (import
of SITE.PY). A work-around for me is to replace the
format-string for posix_do_stat() of "et" with "s".

Here is the traceback. I have removed the line numbers,
because they apply to the compiler listings.

$ python
%SYSTEM-F-ACCVIO, access violation, ...
%TRACE-F-TRACEBACK, symbolic stack dump follows
  image    module    routine
 PYTHON  GETARGS  convertsimple
 PYTHON  GETARGS  convertitem
 PYTHON  GETARGS  vgetargs1
 PYTHON  GETARGS  PyArg_ParseTuple
 PYTHON  POSIXMODULE  posix_do_stat
 PYTHON  POSIXMODULE  posix_stat
 PYTHON  CEVAL  call_cfunction
 PYTHON  CEVAL  eval_frame
 PYTHON  CEVAL  PyEval_EvalCodeEx
 PYTHON  CEVAL  fast_function
 PYTHON  CEVAL  eval_frame
 PYTHON  CEVAL  PyEval_EvalCodeEx
 PYTHON  CEVAL  PyEval_EvalCode
 PYTHON  IMPORT  PyImport_ExecCodeModuleEx
 PYTHON  IMPORT  load_source_module
 PYTHON  IMPORT  load_module
 PYTHON  IMPORT  import_submodule
 PYTHON  IMPORT  load_next
 PYTHON  IMPORT  import_module_ex
 PYTHON  IMPORT  PyImport_ImportModuleEx
 PYTHON  BLTINMODULE  builtin___import__
 PYTHON  METHODOBJECT  meth_call
 PYTHON  ABSTRACT  PyObject_Call
 PYTHON  CEVAL  PyEval_CallObjectWithKeywords
 PYTHON  ABSTRACT  PyObject_CallObject
 PYTHON  ABSTRACT  PyObject_CallFunction
 PYTHON  IMPORT  PyImport_Import
 PYTHON  IMPORT  PyImport_ImportModule
 PYTHON  PYTHONRUN  initsite
 PYTHON  PYTHONRUN  Py_Initialize
 PYTHON  MAIN  Py_Main
 PYTHON  PYTHON  main
 PYTHON  PYTHON  __main

And here is the failing code in GETARGS.C:

   if ((int)strlen(PyString_AS_STRING(s)) != size)
           return converterr(
                   "(encoded string without NULL b...
                   arg, msgbuf);
-> *buffer = PyMem_NEW(char, size + 1);
   if (*buffer == NULL) {
           Py_DECREF(s);
           return converterr("(memory error)",
                             arg, msgbuf);
   }

-----
I'm sorry, but I can't debug that any better.

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>Comment By: Guido van Rossum (gvanrossum)
Date: 2001-07-20 09:17

Message:
Logged In: YES 
user_id=6380

I'm sorry, but I can't debug that any better either. 
There's nothing suspicious about the indicated line.

Lowering the priority.

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