[Bug 1756202] Re: nmbd crashed with SIGABRT in dbghdrclass()

[ChristianEhrhardt]

This is a rather generic error in nmbd/smbd as this is just the way it aborts.
>From the stack so far I can't derive any insight yet.
I looked but found no bug being exactly the same, just many others where the SIG_ABRT hit.

Is that issue reproducible?
If so how?

In general attaching the nmbd.log and smbd.log might help (if before the
crash it was able to drop info there).

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https://bugs.launchpad.net/bugs/1756202

Title:
  nmbd crashed with SIGABRT in dbghdrclass()

Status in samba package in Ubuntu:
  Incomplete

Bug description:
  nmbd crashed with SIGABRT in dbghdrclass()

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: samba 2:4.7.4+dfsg-1ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-11.12-generic 4.15.5
  Uname: Linux 4.15.0-11-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CrashCounter: 1
  Date: Sat Mar 10 08:39:53 2018
  ExecutablePath: /usr/sbin/nmbd
  InstallationDate: Installed on 2017-10-12 (154 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
  NmbdLog:
   
  ProcCmdline: /usr/sbin/nmbd --foreground --no-process-group
  ProcEnviron:
   LANG=es_ES.UTF-8
   PATH=(custom, no user)
  SambaServerRegression: Yes
  Signal: 6
  SmbConfIncluded: No
  SmbLog:
   
  SourcePackage: samba
  StacktraceTop:
   dbghdrclass () from /usr/lib/x86_64-linux-gnu/samba/libsamba-debug.so.0
   send_packet () from /usr/lib/x86_64-linux-gnu/samba/libgse.so.0
   send_mailslot ()
   ?? ()
   ?? ()
  TestparmExitCode: 0
  Title: nmbd crashed with SIGABRT in dbghdrclass()
  UpgradeStatus: Upgraded to bionic on 2018-02-18 (25 days ago)
  UserGroups:
   
  WindowsFailedConnect: Yes

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