[Bug 1559011] Re: zsh5 crashed with SIGSEGV in pattryrefs()

[Apport retracing service]

*** This bug is a duplicate of bug 1558710 ***
    https://bugs.launchpad.net/bugs/1558710

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 #1558710, 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 1558710

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1559011

Title:
  zsh5 crashed with SIGSEGV in pattryrefs()

Status in zsh package in Ubuntu:
  New

Bug description:
  zsh crashed while doing file completion on a large directory.

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: zsh 5.1.1-1ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-13.29-generic 4.4.5
  Uname: Linux 4.4.0-13-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Mar 18 11:31:56 2016
  EcryptfsInUse: Yes
  ExecutablePath: /bin/zsh5
  InstallationDate: Installed on 2016-03-16 (1 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160307)
  ProcCmdline: -zsh
  SegvAnalysis:
   Segfault happened at: 0x46eb65:	cmpb   $0x0,(%rax)
   PC (0x0046eb65) ok
   source "$0x0" ok
   destination "(%rax)" (0x7f39669f827a) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: zsh
  StacktraceTop:
   ?? ()
   ?? ()
   pattryrefs ()
   pattry ()
   evalcond ()
  Title: zsh5 crashed with SIGSEGV in pattryrefs()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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