gnome-shell crashed with SIGSEGV in g_hash_table_iter_init() from nm_ip_address_dup() from g_boxed_copy()

[SiggiTron]

https://errors.ubuntu.com/problem/f00ece10287bf9cfb758c3819e2e3f6575704d10

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.0-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME
Date: Sun Apr 8 20:57:53 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2018-02-18 (49 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180204)
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=cs_CZ.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f8db9b994f4 <g_hash_table_iter_init+20>: mov 0x44(%rsi),%eax
 PC (0x7f8db9b994f4) ok
 source "0x44(%rsi)" (0x3838342032313176) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
 g_hash_table_iter_init () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 () at /usr/lib/x86_64-linux-gnu/libnm.so.0
 g_boxed_copy () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 gjs_boxed_from_c_struct () at /usr/lib/libgjs.so.0
 gjs_value_from_g_argument () at /usr/lib/libgjs.so.0
Title: gnome-shell crashed with SIGSEGV in g_hash_table_iter_init()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_hash_table_iter_init (iter=iter@entry=0x7ffc4658f660, hash_table=0x3838342032313132) at ../../../../glib/ghash.c:769
 nm_ip_address_dup (address=<optimized out>) at libnm-core/nm-setting-ip-config.c:388
 g_boxed_copy (boxed_type=94466899797584, src_boxed=src_boxed@entry=0x55eaca1a7c60) at ../../../../gobject/gboxed.c:343
 gjs_boxed_from_c_struct (context=context@entry=0x55eac8284a00, info=info@entry=0x55eaca90da80, gboxed=0x55eaca1a7c60, flags=<optimized out>) at gi/boxed.cpp:1235
 gjs_value_from_g_argument (context=context@entry=0x55eac8284a00, value_p=..., type_info=type_info@entry=0x55eacb36c540, arg=arg@entry=0x7ffc4658fb08, copy_structs=copy_structs@entry=true) at gi/arg.cpp:2909

[Daniel van Vugt (vanvugt)]

I can't find any other reports of this crash right now.

Looks like it might be related to a networking-type shell extension. Maybe:
https://github.com/sgaraud/gnome-extension-show-ip

[Launchpad Janitor (janitor)]

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

[Daniel van Vugt (vanvugt)]

Tracking in: https://errors.ubuntu.com/problem/f00ece10287bf9cfb758c3819e2e3f6575704d10

[Daniel van Vugt (vanvugt)]

Zero crashes after 19.04 so consider it fixed.