[Bug 1529528] Re: Update the package to version 0.9.9

2018-05-19 Thread yzp15
Updated in newer releases of ubuntu:

 "radare2" versions published in Ubuntu
Cosmic (2.4.0+dfsg-1): universe/devel
Bionic (2.3.0+dfsg-2): universe/devel
Artful (1.6.0+dfsg-1): universe/devel 

** Changed in: radare2 (Ubuntu)
   Status: Confirmed => Fix Released

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Title:
  Update the package to version 0.9.9

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[Bug 1438014] Re: gnome-terminal-server and mate-terminal crash when setting keyboard shortcuts

2018-05-19 Thread yzp15
Reported to gnome's gitlab: https://gitlab.gnome.org/GNOME/gtk/issues/180
Reference: GNOME/gtk#180

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Title:
  gnome-terminal-server and mate-terminal crash when setting keyboard
  shortcuts

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[Bug 1062412] Re: strace crashed with SIGSEGV in __GI_raise()

2018-05-19 Thread yzp15
> Note that the CUPS version which I had run under strace had a segfault
bug, but this should not make strace crash.

Actually, there is a code in strace.c (main -> terminate() ) to raise the 
signal which killed the traced process. Strace does it exactly before exit
https://github.com/strace/strace/blob/1d98b287a4cb6901d369d78126d481508f9e35ef/strace.c#L2655

if (exit_code > 0xff) {
...
/* Child was killed by a signal, mimic that.  */
exit_code &= 0xff;
signal(exit_code, SIG_DFL);
...
raise(exit_code);
...
exit(exit_code);

Code was added in 2008-09-29 commit
https://github.com/strace/strace/commit/a68096576afc07e51d33b49c432d658b27a7f13c
> (main): Exit/kill ourself with straced child's exitcode/signal.

Same for other reports in
https://errors.ubuntu.com/?package=strace=year like Bug #1430741

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Title:
  strace crashed with SIGSEGV in __GI_raise()

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[Bug 1430741] Re: strace crashed with SIGABRT in __GI_raise()

2018-05-19 Thread yzp15
Probably Spotify Linux Client process did crash with SIGABRT. strace
detects that child was killed with the signal and raises same signal for
itself just before exit (like in Bug #1062412)

There is a code in strace.c (main -> terminate() ) to raise the signal which 
killed the traced process. Strace does it exactly before exit
https://github.com/strace/strace/blob/1d98b287a4cb6901d369d78126d481508f9e35ef/strace.c#L2655

if (exit_code > 0xff) {
...
/* Child was killed by a signal, mimic that.  */
exit_code &= 0xff;
signal(exit_code, SIG_DFL);
...
raise(exit_code);
...
exit(exit_code);

Code was added in 2008-09-29 commit
https://github.com/strace/strace/commit/a68096576afc07e51d33b49c432d658b27a7f13c
> (main): Exit/kill ourself with straced child's exitcode/signal.

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  strace crashed with SIGABRT in __GI_raise()

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[Bug 1667227] Re: mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() - while editing Keyboard Shortcuts

2018-04-14 Thread yzp15
*** This bug is a duplicate of bug 1438014 ***
https://bugs.launchpad.net/bugs/1438014

Reposted to gnome's gitlab:
https://gitlab.gnome.org/GNOME/gtk/issues/180

** Bug watch removed: GNOME Bug Tracker #607668
   https://bugzilla.gnome.org/show_bug.cgi?id=607668

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Title:
  mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() -
  while editing Keyboard Shortcuts

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[Bug 1438014] Re: gnome-terminal-server and mate-terminal crash when setting keyboard shortcuts

2018-04-14 Thread yzp15
Hello. I had some debugging with valgrind and gdb for the error with
stacktrace top

 g_type_check_instance_is_a   glib2.0-2.43.92/./gobject/gtype.c:4016
 gtk_widget_get_toplevel   gtk+3.0-3.14.9/./gtk/gtkwidget.c:11382
 window_group_cleanup_grabs  gtk+3.0-3.14.9/./gtk/gtkwindowgroup.c:110
 gtk_window_group_add_window  gtk+3.0-3.14.9/./gtk/gtkwindowgroup.c:169
 gtk_window_set_transient_for gtk+3.0-3.14.9/./gtk/gtkwindow.c:3134

This is use-after-free due to incorrect grab deregistration (gtk_grab_remove 
tries to remove the grab not from the same window_group where it was added by 
gtk_grab_add)
Results were posted to   Bug #1667227 and  Bug #1667232
https://bugs.launchpad.net/ubuntu/+source/mate-terminal/+bug/1667227 and 
https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/1667232

I think that gnome-terminal grab use-after-free after editing keyboard
shortcuts may be not related to the patch
"debian/patches/016_no_offscreen_widgets_grabbing.patch" (it only helps
to report Critical to the log).

Both gtk_grab_add and gtk_grab_remove calls gtk_main_get_window_group
function, but it returns different results for these two calls (more
details at https://bugs.launchpad.net/ubuntu/+source/mate-
terminal/+bug/1667227/comments/8)

static GtkWindowGroup *
gtk_main_get_window_group (GtkWidget *widget)
...
  if (GTK_IS_WINDOW (toplevel))
return gtk_window_get_group (GTK_WINDOW (toplevel));
  else
return gtk_window_get_group (NULL);

At the time of gtk_grab_add (called from gtk_cell_renderer_accel_start_editing 
which is called from gtk_cell_renderer_start_editing) this widget had window = 
0x0 and parent = 0x0
And at time of gtk_grab_remove (called from 
gtk_cell_editable_event_box_key_press_event) same widget had window = 
0x55e507e0 (parent = 0x55e183f0) which leads to incorrect 
deregistration of the grab.

Parent of the widget was changed by
gtk_tree_view_multipress_gesture_pressed -> .. ->
gtk_cell_area_activate_cell -> gtk_cell_area_add_editable -> ..signal..
-> gtk_tree_view_column_add_editable_callback ->
_gtk_tree_view_add_editable -> gtk_tree_view_put ->
gtk_widget_set_parent

So, gtk_cell_area_activate_cell of gtk+3 (3.22.7) has some kind of incorrect 
ordering of actions which broke gtk_grab_add / gtk_grab_remove pair
https://github.com/GNOME/gtk/blob/6cc08d60efeb02afc0d67982c3dc205dfd16d7cd/gtk/gtkcellarea.c#L3388

3428 gtk_cell_renderer_start_editing (renderer,
...
3444 gtk_cell_area_add_editable (area, priv->focus_cell, editable_widget, 
cell_area);

(There was also quick and probably incorrect fix in Bug #1667227 for
this use-after-free with additional removing of grab from
gtk_window_get_group (NULL)
https://launchpadlibrarian.net/308873213/lp1667227_quick_fix_gtk_grab_remove.gtk+3.22.8.patch
)

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Title:
  gnome-terminal-server and mate-terminal crash when setting keyboard
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[Bug 1667232] Re: gnome-terminal-server crashed with SIGSEGV in g_type_check_instance_is_a() while editing shortcuts

2017-02-25 Thread yzp15
*** This bug is a duplicate of bug 1438014 ***
https://bugs.launchpad.net/bugs/1438014


** Patch added: "lp1667227_quick_fix_gtk_grab_remove.gtk+3.22.8.patch"
   
https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/1667232/+attachment/4826657/+files/lp1667227_quick_fix_gtk_grab_remove.gtk+3.22.8.patch

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Title:
  gnome-terminal-server crashed with SIGSEGV in
  g_type_check_instance_is_a() while editing shortcuts

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[Bug 1667227] Re: mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() - while editing Keyboard Shortcuts

2017-02-25 Thread yzp15
** Patch added: "lp1667227_quick_fix_gtk_grab_remove.gtk+3.22.8.patch"
   
https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1667227/+attachment/4826656/+files/lp1667227_quick_fix_gtk_grab_remove.gtk+3.22.8.patch

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Title:
  mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() -
  while editing Keyboard Shortcuts

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[Bug 1667232] Re: gnome-terminal-server crashed with SIGSEGV in g_type_check_instance_is_a() while editing shortcuts

2017-02-25 Thread yzp15
*** This bug is a duplicate of bug 1438014 ***
https://bugs.launchpad.net/bugs/1438014

Seems to be error in  gtk_cell_area_activate_cell: it has incorrect order of 
actions which broke gtk_grab_add / gtk_grab_remove pair
https://github.com/GNOME/gtk/blob/6cc08d60efeb02afc0d67982c3dc205dfd16d7cd/gtk/gtkcellarea.c#L3388

3428 gtk_cell_renderer_start_editing (renderer,
This will call gtk_grab_add to register widget in default window group 
"gtk_window_get_group (NULL);"

Later,
3444 gtk_cell_area_add_editable (area, priv->focus_cell, editable_widget, 
cell_area);

will change widget to other window group (by setting parent
gtk_cell_area_activate_cell -> gtk_cell_area_add_editable -> ..signal..
->  gtk_tree_view_column_add_editable_callback ->
_gtk_tree_view_add_editable -> gtk_tree_view_put ->
gtk_widget_set_parent)

And gtk_grab_remove will be unable to remove link to the widget from the wrong 
window group, creating stale pointer, which will be used after free.
More details at Bug #1667227.

Bug can be detected by "Gtk-CRITICAL **: gtk_widget_get_toplevel: assertion 
'GTK_IS_WIDGET (widget)' failed" messages, when mate-terminal (bug #1667227) or 
gnome-terminal are started from another console (with option --disable-factory) 
and keyboard shortcuts are edited.
I have such messages with gtk+3 (upstream) versions 3.16.7, 3.18.9, 3.20.9, 
3.22.8; valgrind can detect invalid reads (use after free) from 
window_group_cleanup_grabs -> gtk_widget_get_toplevel.

Simple, but potentially incorrect patch corrects this bug (both Gtk-CRITICAL 
messages and valgrind detections/SIGSEGVs) in gnome-terminal and mate-terminal 
(bug #1667227). It is tested with gtk+3 3.16.7, 3.18.9, 3.20.9, 3.22.8.
Just call _gtk_window_group_remove_grab from gtkmain.c:gtk_grab_remove twice, 
additional call with default window group, to clear all possible references to 
the widget from the grabs list:

diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index 3152971256..681cb2bec9 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -2274,6 +2274,9 @@ gtk_grab_remove (GtkWidget *widget)
 
   group = gtk_main_get_window_group (widget);
   _gtk_window_group_remove_grab (group, widget);
+  // quick workaround for lp #1667227, lp #1667232
+  _gtk_window_group_remove_grab (gtk_window_get_group (NULL), widget);
+
   new_grab_widget = gtk_window_group_get_current_grab (group);
 
   gtk_grab_notify (group, NULL, widget, new_grab_widget, FALSE);

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Title:
  gnome-terminal-server crashed with SIGSEGV in
  g_type_check_instance_is_a() while editing shortcuts

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[Bug 1667227] Re: mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() - while editing Keyboard Shortcuts

2017-02-25 Thread yzp15
Bug can be detected by "Gtk-CRITICAL **: gtk_widget_get_toplevel: assertion 
'GTK_IS_WIDGET (widget)' failed" messages, when mate-terminal or gnome-terminal 
are started from another console (with option --disable-factory) and keyboard 
shortcuts are edited.
I have such messages with gtk+3 (upstream) versions 3.16.7, 3.18.9, 3.20.9, 
3.22.8; valgrind can detect invalid reads (use after free) from 
window_group_cleanup_grabs -> gtk_widget_get_toplevel.

Simple, but potentially incorrect patch corrects this bug (both Gtk-CRITICAL 
messages and valgrind detections/SIGSEGVs) in mate-terminal and gnome-terminal 
(bug #1667232). It is tested with gtk+3 3.16.7, 3.18.9, 3.20.9, 3.22.8.
Just call _gtk_window_group_remove_grab from gtkmain.c:gtk_grab_remove twice, 
additional call with default window group, to clear all possible references to 
the widget from the grabs list:

diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index 3152971256..681cb2bec9 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -2274,6 +2274,9 @@ gtk_grab_remove (GtkWidget *widget)
 
   group = gtk_main_get_window_group (widget);
   _gtk_window_group_remove_grab (group, widget);
+  // quick workaround for lp #1667227, lp #1667232
+  _gtk_window_group_remove_grab (gtk_window_get_group (NULL), widget);
+
   new_grab_widget = gtk_window_group_get_current_grab (group);
 
   gtk_grab_notify (group, NULL, widget, new_grab_widget, FALSE);

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Title:
  mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() -
  while editing Keyboard Shortcuts

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[Bug 1667227] Re: mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() - while editing Keyboard Shortcuts

2017-02-25 Thread yzp15
gtk_main_get_window_group function return different results for
gtk_grab_add and gtk_grab_remove, but widget address was same in both
functions:

  if (GTK_IS_WINDOW (toplevel))
return gtk_window_get_group (GTK_WINDOW (toplevel));
  else
return gtk_window_get_group (NULL);

On gtk_grab_add window group is 0x55b0b160 for widget 0x55e50780:
Thread 1 "mate-terminal" hit Breakpoint 3, gtk_main_get_window_group 
(widget=0x55e50780) at ././gtk/gtkmain.c:2
025
2025  if (GTK_IS_WINDOW (toplevel))
$2044 (widget) = 0x55e50780
$2045 (toplevel) = 0x55e50780
$2046 (*widget) = {parent_instance = {g_type_instance = {g_class = 
0x55e5e800}, ref_count = 1, qdata = 0x2}, priv = 0x555
555e50690}
$2047 (*widget.priv) = {..., window = 0x0, registered_windows = 0x0, parent = 
0x0, event_contr
ollers = 0x0, accessible = 0x0}
#0  gtk_main_get_window_group (widget=0x55e50780) at ././gtk/gtkmain.c:2025
#1  0x771f3bb3 in gtk_grab_add (widget=0x55e50780) at 
././gtk/gtkmain.c:2231
#2  0x770ac1d1 in gtk_cell_renderer_accel_start_editing 
(cell=0x55845270, event=0x55d416f0, widget=
0x55e183f0, path=0x55e57720 "2:0", background_area=0x7fffc2e0, 
cell_area=0x7fffc2e0, flags=(unknown
: 0)) at ././gtk/gtkcellrendereraccel.c:497
#3  0x770a92dd in gtk_cell_renderer_start_editing (cell=0x55845270, 
event=0x55d416f0, widget=0x
55e183f0, path=0x55e57720 "2:0", background_area=0x7fffc2e0, 
cell_area=0x7fffc2e0, flags=(unknown: 0)) 
at ././gtk/gtkcellrenderer.c:921
#4  0x7709d47e in gtk_cell_area_activate_cell (area=0x55e0d140, 
widget=0x55e183f0, renderer=0x55845270, event=0x55d416f0, 
cell_area=0x7fffc380, flags=(unknown: 0)) at ././gtk/gtkcellarea.c:3432
#5  0x77096407 in gtk_cell_area_real_event (area=0x55e0d140, 
context=0x55e26850, widget=0x55e183f0, event=0x55d416f0, 
cell_area=0x7fffc570, flags=(unknown: 0)) at ././gtk/gtkcellarea.c:1101


At time of gtk_grab_remove, when event is delivered to widget 0x55e50780 
from gtk_main_do_event, its toplevel was 0x55ddb0d0
Thread 1 "mate-terminal" hit Breakpoint 3, gtk_main_get_window_group 
(widget=0x55e50780) at ././gtk/gtkmain.c:2025
2025  if (GTK_IS_WINDOW (toplevel))
$2092 (widget) = 0x55e50780
$2093 (toplevel) = 0x55ddb0d0
$2094 (*widget) = {parent_instance = {g_type_instance = {g_class = 
0x55e5e800}, ref_count = 7, qdata = 0x55ecf180}, priv = 0x55e50690}
$2095 (*widget.priv) = {, window = 0x55e507e0, registered_windows = 
0x5595
7d00, parent = 0x55e183f0, event_controllers = 0x0, accessible = 
0x55e1d320}
#0  gtk_main_get_window_group (widget=0x55e50780) at ././gtk/gtkmain.c:2025
#1  0x771f3d8c in gtk_grab_remove (widget=0x55e50780) at 
././gtk/gtkmain.c:2286
#2  0x770ac56b in gtk_cell_editable_event_box_key_press_event 
(widget=0x55e50780, event=0x55e473c0)
 at ././gtk/gtkcellrendereraccel.c:645


Parent of the widget was changed by gtk_tree_view_multipress_gesture_pressed -> 
.. -> gtk_cell_area_activate_cell -> gtk_cell_area_add_editable -> ..signal.. 
-> gtk_tree_view_column_add_editable_callback -> _gtk_tree_view_add_editable -> 
gtk_tree_view_put -> gtk_widget_set_parent

So, gtk_cell_area_activate_cell of gtk+3 (3.22.7) has incorrect order of 
actions which broke gtk_grab_add / gtk_grab_remove pair
https://github.com/GNOME/gtk/blob/6cc08d60efeb02afc0d67982c3dc205dfd16d7cd/gtk/gtkcellarea.c#L3388

3428   gtk_cell_renderer_start_editing (renderer,
...
3444   gtk_cell_area_add_editable (area, priv->focus_cell, editable_widget, 
cell_area);

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Title:
  mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() -
  while editing Keyboard Shortcuts

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[Bug 1667227] Re: mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() - while editing Keyboard Shortcuts

2017-02-25 Thread yzp15
** Also affects: gtk+3.0 (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() -
  while editing Keyboard Shortcuts

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[Bug 1667227] Re: mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() - while editing Keyboard Shortcuts

2017-02-25 Thread yzp15
When shortcut is changing, keypress handler 
gtk_cell_editable_event_box_key_press_event calls gtk_grab_remove, but 
_gtk_window_group_remove_grab tries to remove grab from wrong window_group (not 
the group used to add grab in gtk_grab_add -> _gtk_window_group_add_grab).
Grab remove fails and stale pointer is kept in grab lists of original group. 
With valgrind I see errors on access with this stale pointer:

==21822== Invalid read of size 8
==21822==at 0x578DEFF: window_group_cleanup_grabs (gtkwindowgroup.c:111)
==21822==by 0x578E38C: gtk_window_group_add_window (gtkwindowgroup.c:176)
==21822==by 0x577AD36: gtk_window_set_transient_for (gtkwindow.c:3332)
==21822==by 0x56FCD22: gtk_tooltip_set_last_window (gtktooltip.c:808)
==21822==by 0x56FE9C9: gtk_tooltip_handle_event_internal (gtktooltip.c:1432)
==21822==by 0x56FE934: _gtk_tooltip_handle_event (gtktooltip.c:1413)
==21822==by 0x55811E2: gtk_main_do_event (gtkmain.c:1938)
==21822==by 0x5D34548: _gdk_event_emit (gdkevents.c:73)
==21822==by 0x5D7ABD1: gdk_event_source_dispatch (gdkeventsource.c:367)
==21822==by 0x6F65177: g_main_dispatch (gmain.c:3203)
==21822==by 0x6F660BA: g_main_context_dispatch (gmain.c:3856)
==21822==by 0x6F662AE: g_main_context_iterate (gmain.c:3929)
==21822==  Address 0x16279328 is 344 bytes inside a block of size 416 free'd
==21822==at 0x4C2DD5B: free (in 
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==21822==by 0x6F6D990: g_free (gmem.c:189)
==21822==by 0x6F88997: g_slice_free1 (gslice.c:1136)
==21822==by 0x6CEAE5D: g_type_free_instance (gtype.c:1937)
==21822==by 0x6CD4F15: g_object_unref (gobject.c:3196)
==21822==by 0x5784A47: gtk_window_propagate_key_event (gtkwindow.c:8141)
==21822==by 0x5784AA0: gtk_window_key_press_event (gtkwindow.c:8159)
==21822==by 0x5583B9C: _gtk_marshal_BOOLEAN__BOXEDv (gtkmarshalers.c:131)
==21822==by 0x6CC8CC7: g_type_class_meta_marshalv (gclosure.c:1024)
==21822==by 0x6CC8849: _g_closure_invoke_va (gclosure.c:867)
==21822==by 0x6CE40E2: g_signal_emit_valist (gsignal.c:3300)
==21822==by 0x6CE52FE: g_signal_emit (gsignal.c:3447)
==21822==  Block was alloc'd at
==21822==at 0x4C2CB2F: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==21822==by 0x6F6D827: g_malloc (gmem.c:94)
==21822==by 0x6F8875B: g_slice_alloc (gslice.c:1025)
==21822==by 0x6F8879B: g_slice_alloc0 (gslice.c:1051)
==21822==by 0x6CEA95E: g_type_create_instance (gtype.c:1839)
==21822==by 0x6CD135B: g_object_new_internal (gobject.c:1783)
==21822==by 0x6CD20D1: g_object_new_valist (gobject.c:2042)
==21822==by 0x6CD0F44: g_object_new (gobject.c:1626)
==21822==by 0x543ABB9: gtk_cell_editable_event_box_new 
(gtkcellrendereraccel.c:803)


Wrong gtk_grab_remove was called from the gtk_window_propagate_key_event:
==21822==by 0x578EE1B: _gtk_window_group_remove_grab (gtkwindowgroup.c:291)
==21822==by 0x5581ABE: gtk_grab_remove (gtkmain.c:2285)
==21822==by 0x543A56A: gtk_cell_editable_event_box_key_press_event 
(gtkcellrendereraccel.c:645)
==21822==by 0x5583B9C: _gtk_marshal_BOOLEAN__BOXEDv (gtkmarshalers.c:131)
==21822==by 0x6CC8CC7: g_type_class_meta_marshalv (gclosure.c:1024)
==21822==by 0x6CC8849: _g_closure_invoke_va (gclosure.c:867)
==21822==by 0x6CE40E2: g_signal_emit_valist (gsignal.c:3300)
==21822==by 0x6CE52FE: g_signal_emit (gsignal.c:3447)
==21822==by 0x575F9BD: gtk_widget_event_internal (gtkwidget.c:7723)
==21822==by 0x575ED7F: gtk_widget_event (gtkwidget.c:7293)
==21822==by 0x57849C4: gtk_window_propagate_key_event (gtkwindow.c:8126)


** Attachment removed: "ProcMaps.txt"
   
https://bugs.launchpad.net/ubuntu/+source/mate-terminal/+bug/1667227/+attachment/4825038/+files/ProcMaps.txt

** Information type changed from Private to Public

** Also affects: gnome-terminal (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  mate-terminal crashed with SIGSEGV in g_type_check_instance_is_a() -
  while editing Keyboard Shortcuts

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[Bug 1529528] Re: Update the package to version 0.9.9

2017-02-25 Thread yzp15
Sid has 1.1.0 https://packages.debian.org/source/sid/radare2
and there is 1.2.1 for debian at 
https://anonscm.debian.org/cgit/collab-maint/radare2.git

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https://bugs.launchpad.net/bugs/1529528

Title:
  Update the package to version 0.9.9

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