[Bug 1760216] Re: zsh crashed with SIGSEGV in pattryrefs()

[Apport retracing service]

*** This bug is a duplicate of bug 1751103 ***
    https://bugs.launchpad.net/bugs/1751103

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1751103, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

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** This bug has been marked a duplicate of private bug 1751103

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1760216

Title:
  zsh crashed with SIGSEGV in pattryrefs()

Status in zsh package in Ubuntu:
  New

Bug description:
  No idea what happened.

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: zsh 5.2-5ubuntu1.2
  ProcVersionSignature: Ubuntu 4.13.0-37.42-generic 4.13.13
  Uname: Linux 4.13.0-37-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 30 16:11:08 2018
  EcryptfsInUse: Yes
  ExecutablePath: /bin/zsh
  ProcCmdline: -/bin/zsh
  SegvAnalysis:
   Segfault happened at: 0x556bc8db5f65:	cmpb   $0x0,(%rax)
   PC (0x556bc8db5f65) ok
   source "$0x0" ok
   destination "(%rax)" (0x7fa928d7731b) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: zsh
  StacktraceTop:
   ?? ()
   ?? ()
   pattryrefs ()
   pattry ()
   execcase ()
  Title: zsh crashed with SIGSEGV in pattryrefs()
  UpgradeStatus: Upgraded to artful on 2017-10-24 (157 days ago)
  UserGroups: adm cdrom dip docker lp lpadmin plugdev sambashare staff sudo video whoopsie wireshark www-data

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