[Bug 1561621] Re: mosh-server crashed with SIGSEGV in execute_helper()

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: glibc (Ubuntu)
       Status: New => Confirmed

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to glibc in Ubuntu.
https://bugs.launchpad.net/bugs/1561621

Title:
  mosh-server crashed with SIGSEGV in execute_helper()

Status in GLibC:
  Unknown
Status in glibc package in Ubuntu:
  Confirmed
Status in mosh package in Ubuntu:
  Confirmed
Status in mosh package in Debian:
  Fix Released

Bug description:
  mosh-server in Xenial crashes immediately on startup.  This is a glibc
  bug, but a Mosh workaround was committed upstream. See

  https://github.com/mobile-shell/mosh/issues/727
  https://bugs.debian.org/817929
  https://sourceware.org/ml/libc-help/2016-03/msg00004.html
  https://sourceware.org/bugzilla/show_bug.cgi?id=19861

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: mosh 1.2.5-1.1build1
  ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
  Uname: Linux 4.4.0-15-generic x86_64
  NonfreeKernelModules: openafs
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Thu Mar 24 12:22:08 2016
  Disassembly: => 0x0:	Cannot access memory at address 0x0
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/mosh-server
  InstallationDate: Installed on 2016-02-19 (34 days ago)
  InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160218)
  ProcCmdline: mosh-server
  SegvAnalysis:
   Segfault happened at: 0x0:	Cannot access memory at address 0x0
   PC (0x00000000) not located in a known VMA region (needed executable region)!
  SegvReason: executing NULL VMA
  Signal: 11
  SourcePackage: mosh
  StacktraceTop:
   ?? ()
   ?? () from /usr/lib/x86_64-linux-gnu/libutempter.so.0
   utempter_add_record () from /usr/lib/x86_64-linux-gnu/libutempter.so.0
   ?? ()
   __libc_start_main (main=0x564683ff2000, argc=1, argv=0x7fff22b44308, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff22b442f8) at ../csu/libc-start.c:291
  Title: mosh-server crashed with SIGSEGV in utempter_add_record()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm bumblebee cdrom dip libvirtd lpadmin plugdev sambashare sbuild sudo wireshark

To manage notifications about this bug go to:
https://bugs.launchpad.net/glibc/+bug/1561621/+subscriptions