[Bug 1882547] Re: systemd-resolved dumps core all the time

[Václav Haisman]

(gdb) frame 0
#0  0x00007f62ef3321fa in hashmap_iterate_entry (h=h at entry=0x706f746b73656465, i=i at entry=0x7fffd2814cc0) at ../src/basic/hashmap.c:706
706	in ../src/basic/hashmap.c
(gdb) p *i
$7 = {idx = 4294967295, next_key = 0x0}
(gdb) p/x *i
$8 = {idx = 0xffffffff, next_key = 0x0}
(gdb) p/x *h
Cannot access memory at address 0x706f746b73656465
(gdb) p $_siginfo._sifields._sigfault.si_addr
$9 = (void *) 0x0

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https://bugs.launchpad.net/bugs/1882547

Title:
  systemd-resolved dumps core all the time

Status in systemd package in Ubuntu:
  New

Bug description:
  It dumps core all the time.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: systemd 245.4-4ubuntu3.1
  ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
  Uname: Linux 5.4.0-33-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.2
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Mon Jun  8 16:51:11 2020
  ExecutablePath: /usr/lib/systemd/systemd-resolved
  InstallationDate: Installed on 2019-09-30 (252 days ago)
  InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  MachineType: Dell Inc. Precision 5530
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-33-generic root=/dev/mapper/kubuntu--vg-root ro quiet splash vt.handoff=7
  SourcePackage: systemd
  SystemdDelta:
   [EXTENDED]   /usr/lib/systemd/system/rc-local.service → /usr/lib/systemd/system/rc-local.service.d/debian.conf
   [EXTENDED]   /usr/lib/systemd/system/user at .service → /usr/lib/systemd/system/user at .service.d/timeout.conf
   
   2 overridden configuration files found.
  UpgradeStatus: Upgraded to focal on 2020-05-28 (11 days ago)
  dmi.bios.date: 08/22/2019
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.13.0
  dmi.board.name: 0FP2W2
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.13.0:bd08/22/2019:svnDellInc.:pnPrecision5530:pvr:rvnDellInc.:rn0FP2W2:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.family: Precision
  dmi.product.name: Precision 5530
  dmi.product.sku: 087D
  dmi.sys.vendor: Dell Inc.
  mtime.conffile..etc.systemd.logind.conf: 2019-11-18T09:50:53.885999
  mtime.conffile..etc.systemd.resolved.conf: 2020-06-04T14:51:08.011600

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