python3.6 crashed with SIGSEGV in PyUnicode_AsUTF8AndSize()

[Daya Shanker Prasad]

not sure how it is occurred.

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: python3.6-minimal 3.6.3-1ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 25 00:03:15 2017
ExecutablePath: /usr/bin/python3.6
InstallationDate: Installed on 2017-10-23 (1 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
ProcCmdline: python3 startTest.py --config=testconfig.xml --test=testcase.xml
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
SegvAnalysis:
 Segfault happened at: 0x504e24 <PyUnicode_AsUTF8+4>: mov 0x8(%rdi),%rax
 PC (0x00504e24) ok
 source "0x8(%rdi)" (0x00000008) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: python3.6
StacktraceTop:
 PyUnicode_AsUTF8 ()
 ?? ()
 _PyCFunction_FastCallDict ()
 ?? ()
 _PyObject_CallMethodId_SizeT ()
Title: python3.6 crashed with SIGSEGV in PyUnicode_AsUTF8()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 PyUnicode_AsUTF8AndSize (psize=0x0, unicode=0x0) at ../Objects/unicodeobject.c:4009
 PyUnicode_AsUTF8 (unicode=0x0) at ../Objects/unicodeobject.c:4042
 _enter_buffered_busy (self=0x7f0333e949e8) at ../Modules/_io/bufferedio.c:308
 buffered_flush (self=0x7f0333e949e8, args=<optimized out>) at ../Modules/_io/bufferedio.c:852
 _PyCFunction_FastCallDict (func_obj=func_obj@entry=0x7f0331c2bd80, args=args@entry=0x0, nargs=nargs@entry=0, kwargs=kwargs@entry=0x0) at ../Objects/methodobject.c:192

[Matthias Klose (doko)]

please attach your script

[Launchpad Janitor (janitor)]

[Expired for python3.6 (Ubuntu) because there has been no activity for 60 days.]