** Changed in: ubuntu-gnome
Status: New => Fix Released
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Title:
devhelp and many other apps crash with SIGSEGV in g_closure_invoke()
due
This bug was fixed in the package overlay-scrollbar -
0.2.16+r359+15.04.20141126-0ubuntu1
---
overlay-scrollbar (0.2.16+r359+15.04.20141126-0ubuntu1) vivid; urgency=low
[ Tim Lunn ]
* Check for null grab_notify handler before hijacking it. This fixes a
crash in GTK+3.14 where
** Branch linked: lp:ubuntu/vivid-proposed/overlay-scrollbar
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Title:
devhelp and many other apps crash with SIGSEGV in g_closure_invoke()
due t
** Changed in: overlay-scrollbar (Ubuntu)
Assignee: Sebastien Bacher (seb128) => (unassigned)
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Title:
devhelp and many other apps crash with
** Also affects: file-roller (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: file-roller (Ubuntu)
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Title:
devhelp and
** Changed in: overlay-scrollbar (Ubuntu)
Status: Confirmed => In Progress
** Changed in: overlay-scrollbar (Ubuntu)
Assignee: Lars Uebernickel (larsu) => Sebastien Bacher (seb128)
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** Changed in: overlay-scrollbar (Ubuntu)
Importance: Undecided => Critical
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Title:
devhelp and many other apps crash with SIGSEGV in g_closur
Fixed for me by the following package upgrades fixed the problem for me:
overlay-scrollbar (0.2.16+r359+14.10.20140625-0ubuntu1 =>
0.2.16+r359+14.10.20140625-0ubuntu2~utopic1)
overlay-scrollbar-gtk2 (0.2.16+r359+14.10.20140625-0ubuntu1 =>
0.2.16+r359+14.10.20140625-0ubuntu2~utopic1)
over
Looks like this is only to call the pre hijacked one if not on os, so
probably OK and similar probably should be done for all of these
hijacked functions. Lars, could you look?
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** Changed in: overlay-scrollbar (Ubuntu)
Assignee: (unassigned) => Lars Uebernickel (larsu)
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Title:
devhelp and many other apps crash with
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: overlay-scrollbar (Ubuntu)
Status: New => Confirmed
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T
** Branch linked: lp:~darkxst/overlay-scrollbar/lp1386255
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Title:
devhelp and many other apps crash with SIGSEGV in g_closure_invoke()
due to o
GtkScrollbar stopped paying attention to grab_notify signals in upstream
commit 26dff0d7830b45b61fb424e4a5c1f98c4091 somewhere in 3.13.x.
You can see it online at
https://github.com/GNOME/gtk/commit/26dff0d7830b45b61fb424e4a5c1f98c4091
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Here's what causes the crash:
- overlay-scrollbar's gtk_module_init() does this:
widget_class = g_type_class_ref (GTK_TYPE_SCROLLBAR)
pre_hijacked_scrollbar_grab_notify = widget_class->grab_notify;
In GTK+ 3.14 widget_class->grab_notify for GTK_TYPE_SCROLLBAR is NULL.
- overl
This patch fixes the crash: https://gist.github.com/84d1545df63a4e0ad981
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Title:
devhelp and many other apps crash with SIGSEGV in g_closure_invo
Details about my GDB session:
- gdb gnome-calculator (easy to trigger the bug: click on the titlebar
dropdown; bonus: doesn't hold a keyboard/mouse grab when it gets frozen by gdb)
- 'run'
- click on the titlebar dropdown, see the window freeze
- gdb shows a segfault at 0x0
- 'bt' shows the stack
For the record, I had overlay scrollbars disabled ('gsettings set
com.canonical.desktop.interface scrollbar-mode normal') when I saw these
segfaults.
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This will need to be fixed for gtk+3.14 to land in vivid
** Also affects: overlay-scrollbar (Ubuntu)
Importance: Undecided
Status: New
** Changed in: ubuntu-gnome
Milestone: None => vivid
** Tags added: ubuntugnome-blocker
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