gnome-software crashed with SIGSEGV in g_string_truncate()

[Daniel P. Clark]

Steps that produced this:

Install roseguarden
jackd2 setup comes up with a check box
don't check it and click next
jackd2 setup application froze

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-software 3.28.0-0ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
ApportVersion: 2.20.9-0ubuntu2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 1 13:06:40 2018
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gnome-software
InstallationDate: Installed on 2016-12-21 (466 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
InstalledPlugins:
 gnome-software-plugin-flatpak N/A
 gnome-software-plugin-limba N/A
 gnome-software-plugin-snap 3.28.0-0ubuntu7
ProcCmdline: /usr/bin/gnome-software --gapplication-service
ProcEnviron:
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f446078e028 <g_string_truncate+24>: movb $0x0,(%rdx,%rsi,1)
 PC (0x7f446078e028) ok
 source "$0x0" ok
 destination "(%rdx,%rsi,1)" (0x68006e6f74747562) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: gnome-software
StacktraceTop:
 g_string_truncate () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_io_channel_shutdown () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 () at /usr/lib/x86_64-linux-gnu/libpackagekit-glib2.so.18
 g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: gnome-software crashed with SIGSEGV in g_string_truncate()
UpgradeStatus: Upgraded to bionic on 2018-03-29 (3 days ago)
UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_string_truncate (string=0x55e982c2df49, len=len@entry=0) at ../../../../glib/gstring.c:371
 g_io_channel_shutdown (channel=0x55e984e0fbc0, flush=flush@entry=0, err=err@entry=0x7ffda5b43558) at ../../../../glib/giochannel.c:511
 pk_client_helper_copy_stdout_cb (source=<optimized out>, condition=<optimized out>, client_helper=<optimized out>) at pk-client-helper.c:173
 g_main_dispatch (context=0x55e982c82100) at ../../../../glib/gmain.c:3177
 g_main_context_dispatch (context=context@entry=0x55e982c82100) at ../../../../glib/gmain.c:3830