[Bug 1727449] 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: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/1727449/+attachment/4995017/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
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** Attachment removed: "Stacktrace.txt"
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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/1727449

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

Status in systemd package in Ubuntu:
  New

Bug description:
  just started up and logged in

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: systemd 234-2ubuntu12
  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
  Date: Tue Oct 24 19:24:58 2017
  ExecutablePath: /lib/systemd/systemd-resolved
  InstallationDate: Installed on 2016-12-10 (318 days ago)
  InstallationMedia: Xubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
  MachineType: To be filled by O.E.M. To be filled by O.E.M.
  ProcCmdline: /lib/systemd/systemd-resolved
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic root=UUID=a8d6579d-c193-4fff-92fe-f6fa638cd416 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7fbc64f68baa:	movzbl 0x2f(%rdi),%r8d
   PC (0x7fbc64f68baa) ok
   source "0x2f(%rdi)" (0x47f00750134) not located in a known VMA region (needed readable region)!
   destination "%r8d" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: systemd
  StacktraceTop:
   ?? () from /lib/systemd/libsystemd-shared-234.so
   internal_hashmap_iterate () from /lib/systemd/libsystemd-shared-234.so
   ?? ()
   ?? ()
   ?? ()
  SystemdDelta:
   [EXTENDED]   /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf
   [EXTENDED]   /lib/systemd/system/user at .service → /lib/systemd/system/user at .service.d/timeout.conf
   
   2 overridden configuration files found.
  Title: systemd-resolved crashed with SIGSEGV in internal_hashmap_iterate()
  UpgradeStatus: Upgraded to artful on 2017-10-21 (4 days ago)
  UserGroups:
   
  dmi.bios.date: 11/14/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1302
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: SABERTOOTH 990FX R2.0
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1302:bd11/14/2012:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnASUSTeKCOMPUTERINC.:rnSABERTOOTH990FXR2.0:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: To be filled by O.E.M.
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: To be filled by O.E.M.

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