[issue28789] valgrind shows "invalid file descriptor" when calling platform.system() on my machine.

[Stefan Krah]

Stefan Krah <stefan at bytereef.org> added the comment:

More info:

==22845== Warning: invalid file descriptor 1024 in syscall close()
==22845==    at 0x4E493F0: __close_nocancel (syscall-template.S:81)
==22845==    by 0xF0BAA74: _close_open_fds_safe (_posixsubprocess.c:297)
==22845==    by 0xF0BADF6: child_exec (_posixsubprocess.c:494)
==22845==    by 0xF0BB8B9: subprocess_fork_exec (_posixsubprocess.c:691)
==22845==    by 0x46D188: _PyMethodDef_RawFastCallKeywords (call.c:691)
==22845==    by 0x46D2AC: _PyCFunction_FastCallKeywords (call.c:726)
==22845==    by 0x5693CE: call_function (ceval.c:4663)
==22845==    by 0x563DFA: _PyEval_EvalFrameDefault (ceval.c:3149)
==22845==    by 0x5569EB: PyEval_EvalFrameEx (ceval.c:549)
==22845==    by 0x56758D: _PyEval_EvalCodeWithName (ceval.c:4011)
==22845==    by 0x46CA56: _PyFunction_FastCallKeywords (call.c:433)
==22845==    by 0x56979A: call_function (ceval.c:4702)

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<https://bugs.python.org/issue28789>
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