[Bug 1386255] [NEW] devhelp and many other apps crash with SIGSEGV in g_closure_invoke() due to overlay-scrollbars

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You have been subscribed to a public bug by Tim (darkxst):

With the gnome3-team/gnome3-staging PPA enabled all Gtk+ applications
segfault when I do stuff like

- Press the <Menu> key
- Press the Save button in gedit's headerbar
- Press the hamburger menu button in devhelp's headerbar (the stack trace attached to this bug)
- Press the Add button in gtimelog
- Try to open any of the regular menus in gtimelog

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: devhelp 3.14.0-1~utopic1 [origin: LP-PPA-gnome3-team-gnome3-staging]
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Uname: Linux 3.16.0-23-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
CurrentDesktop: GNOME
Date: Mon Oct 27 17:15:30 2014
Disassembly: => 0x0:	Cannot access memory at address 0x0
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/devhelp
InstallationDate: Installed on 2012-07-25 (824 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
ProcCmdline: devhelp
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: devhelp
StacktraceTop:
 ?? ()
 g_closure_invoke (closure=0x11e4ce0, return_value=0x0, n_param_values=2, param_values=0x7fffd6ed0920, invocation_hint=0x7fffd6ed08c0) at /build/buildd/glib2.0-2.42.0/./gobject/gclosure.c:768
 signal_emit_unlocked_R (node=node at entry=0x11e50b0, detail=detail at entry=0, instance=instance at entry=0x182a510, emission_return=emission_return at entry=0x0, instance_and_params=instance_and_params at entry=0x7fffd6ed0920) at /build/buildd/glib2.0-2.42.0/./gobject/gsignal.c:3483
 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args at entry=0x7fffd6ed0ab0) at /build/buildd/glib2.0-2.42.0/./gobject/gsignal.c:3309
 g_signal_emit (instance=instance at entry=0x182a510, signal_id=<optimized out>, detail=detail at entry=0) at /build/buildd/glib2.0-2.42.0/./gobject/gsignal.c:3365
Title: devhelp crashed with SIGSEGV in g_closure_invoke()
UpgradeStatus: Upgraded to utopic on 2014-10-24 (3 days ago)
UserGroups: adm cdrom dip docker libvirtd lp lpadmin plugdev sambashare shared sudo wireshark

** Affects: overlay-scrollbar
     Importance: Undecided
         Status: New

** Affects: ubuntu-gnome
     Importance: Undecided
         Status: New

** Affects: overlay-scrollbar (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash apport-failed-retrace gnome3-ppa gnome3-staging third-party-packages ubuntugnome-blocker utopic
-- 
devhelp and many other apps crash with SIGSEGV in g_closure_invoke() due to overlay-scrollbars
https://bugs.launchpad.net/bugs/1386255
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