[Bug 1707530] Re: systemd-resolved crashed with SIGSEGV in internal_hashmap_iterate()

[Apport retracing service]

*** This bug is a duplicate of bug 1664886 ***
    https://bugs.launchpad.net/bugs/1664886

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 #1664886, 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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** Attachment removed: "ThreadStacktrace.txt"
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** This bug has been marked a duplicate of private bug 1664886

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1707530

Title:
  systemd-resolved crashed with SIGSEGV in internal_hashmap_iterate()

Status in systemd package in Ubuntu:
  New

Bug description:
  possibly happened when user disconnected from VPN (openconnect)

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: systemd 234-2ubuntu1
  ProcVersionSignature: Ubuntu 4.11.0-10.15-generic 4.11.8
  Uname: Linux 4.11.0-10-generic x86_64
  ApportVersion: 2.20.6-0ubuntu4
  Architecture: amd64
  Date: Sun Jul 30 20:53:58 2017
  ExecutablePath: /lib/systemd/systemd-resolved
  InstallationDate: Installed on 2015-07-21 (740 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: LENOVO 20AQ007TMS
  ProcCmdline: /lib/systemd/systemd-resolved
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.11.0-10-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7f86f1c932da:	movzbl 0x2f(%rdi),%eax
   PC (0x7f86f1c932da) ok
   source "0x2f(%rdi)" (0x00000067) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: systemd
  StacktraceTop:
   ?? () from /lib/systemd/libsystemd-shared-234.so
   internal_hashmap_iterate () from /lib/systemd/libsystemd-shared-234.so
   ?? ()
   ?? ()
   ?? ()
  Title: systemd-resolved crashed with SIGSEGV in internal_hashmap_iterate()
  UpgradeStatus: Upgraded to artful on 2017-07-04 (26 days ago)
  UserGroups:
   
  dmi.bios.date: 09/03/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GJET79WW (2.29 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20AQ007TMS
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGJET79WW(2.29):bd09/03/2014:svnLENOVO:pn20AQ007TMS:pvrThinkPadT440s:rvnLENOVO:rn20AQ007TMS:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20AQ007TMS
  dmi.product.version: ThinkPad T440s
  dmi.sys.vendor: LENOVO

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