smbd crashed with SIGABRT in strlen()

[Ateeq Ahmed]

It occurs randomly. And this was the second time.

$lsb_release -rd
Description: Ubuntu Xenial Xerus (development branch)
Release: 16.04

$apt-cache policy samba
samba:
  Installed: 2:4.3.3+dfsg-1ubuntu3
  Candidate: 2:4.3.3+dfsg-1ubuntu3
  Version table:
 *** 2:4.3.3+dfsg-1ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: samba 2:4.3.3+dfsg-1ubuntu3
Uname: Linux 4.5.0-040500rc5-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
BothFailedConnect: Yes
Date: Tue Mar 8 10:20:06 2016
ExecutablePath: /usr/sbin/smbd
InstallationDate: Installed on 2015-11-06 (122 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
NmbdLog:
 Packet send failed to 10.0.3.255(138) ERRNO=Invalid argument
   Packet send failed to 10.0.3.255(138) ERRNO=Invalid argument
   Packet send failed to 10.0.3.255(138) ERRNO=Invalid argument
   Packet send failed to 10.0.3.255(138) ERRNO=Invalid argument
   Packet send failed to 10.0.3.255(138) ERRNO=Invalid argument
ProcCmdline: /usr/sbin/smbd -D
ProcEnviron:
 LANGUAGE=en_IN:en
 PATH=(custom, no user)
 LANG=en_IN
SambaServerRegression: Yes
Signal: 6
SmbConfIncluded: Yes
SmbLog: STATUS=daemon 'smbd' finished starting up and ready to serve connectionsFailed to delete pidfile /var/run/samba/smbd.pid. Error was No such file or directory
SourcePackage: samba
StacktraceTop:
 strlen () at ../sysdeps/x86_64/strlen.S:106
 push_ucs2_talloc () from /usr/lib/x86_64-linux-gnu/libsamba-util.so.0
 E_md4hash () from /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0
 create_volume_objectid () from /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0
Title: smbd crashed with SIGABRT in strlen()
UpgradeStatus: Upgraded to xenial on 2016-03-07 (0 days ago)
UserGroups:

[Apport retracing service (apport)]

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 #1514766, 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.