Bug 700625 – gnome-shell-3.8.2 crashes when pressing Alt+PrintScreen and no window is opened

After an evaluation, GNOME has moved from Bugzilla to GitLab. Learn more about GitLab.
No new issues can be reported in GNOME Bugzilla anymore.
To report an issue in a GNOME project, go to GNOME GitLab.
Do not go to GNOME Gitlab for: Bluefish, Doxygen, GnuCash, GStreamer, java-gnome, LDTP, NetworkManager, Tomboy.

Bug 700625 - gnome-shell-3.8.2 crashes when pressing Alt+PrintScreen and no window is opened


Summary:	gnome-shell-3.8.2 crashes when pressing Alt+PrintScreen and no window is opened


Status:	RESOLVED FIXED

Product:	gnome-shell
Classification:	Core
Component:	general
Version:	3.8.x
Hardware:	Other Linux

Importance:	Normal normal
Target Milestone:	---
Assigned To:	gnome-shell-maint
QA Contact:	gnome-shell-maint

URL:
Whiteboard:

Depends on:
Blocks:

Reported:	2013-05-19 09:57 UTC by Pacho Ramos
Modified:	2013-05-19 13:32 UTC

See Also:
GNOME target:	---
GNOME version:	---

Attachments
screenshot: Check for NULL window in screenshot_window() (1.33 KB, patch) 2013-05-19 10:32 UTC, Florian Müllner	committed	Details \| Review

Description Pacho Ramos 2013-05-19 09:57:51 UTC

With this backtrace:
[New LWP 29184]
[New LWP 29187]
[New LWP 29189]
[New LWP 29188]
[New LWP 29190]
[New LWP 29313]
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/bin/gnome-shell'.
Program terminated with signal 11, Segmentation fault.

+ Trace 231968

Thread 1 (Thread 0x7f492d109900 (LWP 29184))

#0 meta_window_get_outer_rect
at core/window.c line 5825
#1 shell_screenshot_screenshot_window
at shell-screenshot.c line 500
#2 ffi_call_unix64
from /usr/lib64/libffi.so.6
#3 ffi_call
from /usr/lib64/libffi.so.6
#4 ??
from /usr/lib64/libgjs.so.0
#5 ??
from /usr/lib64/libgjs.so.0
#6 ??
from /usr/lib64/libmozjs185.so.1.0
#7 ??
from /usr/lib64/libmozjs185.so.1.0
#8 ??
from /usr/lib64/libmozjs185.so.1.0
#9 ??
from /usr/lib64/libmozjs185.so.1.0
#10 ??
from /usr/lib64/libmozjs185.so.1.0
#11 ??
from /usr/lib64/libmozjs185.so.1.0
#12 ??
from /usr/lib64/libmozjs185.so.1.0
#13 ??
from /usr/lib64/libmozjs185.so.1.0
#14 ??
from /usr/lib64/libmozjs185.so.1.0
#15 ??
from /usr/lib64/libmozjs185.so.1.0
#16 ??
from /usr/lib64/libmozjs185.so.1.0
#17 ??
from /usr/lib64/libmozjs185.so.1.0
#18 ??
from /usr/lib64/libmozjs185.so.1.0
#19 JS_CallFunctionValue
from /usr/lib64/libmozjs185.so.1.0
#20 gjs_call_function_value
from /usr/lib64/libgjs.so.0
#21 gjs_closure_invoke
from /usr/lib64/libgjs.so.0
#22 ??
from /usr/lib64/libgjs.so.0
#23 g_closure_invoke
at gclosure.c line 777
#24 signal_emit_unlocked_R
at gsignal.c line 3584
#25 g_signal_emit_valist
at gsignal.c line 3328
#26 g_signal_emit
at gsignal.c line 3384
#27 g_dbus_interface_method_dispatch_helper
at gdbusinterfaceskeleton.c line 610
#28 skeleton_intercept_handle_method_call
at gdbusinterfaceskeleton.c line 651
#29 call_in_idle_cb
at gdbusconnection.c line 4737
#30 g_main_dispatch
at gmain.c line 3054
#31 g_main_context_dispatch
at gmain.c line 3630
#32 g_main_context_iterate
at gmain.c line 3701
#33 g_main_context_iterate
at gmain.c line 3638
#34 g_main_loop_run
at gmain.c line 3895
#35 meta_run
at core/main.c line 556
#36 main
at main.c line 430

Comment 1 Florian Müllner 2013-05-19 10:32:34 UTC

Created attachment 244699 [details] [review]
screenshot: Check for NULL window in screenshot_window()

screenshot_window() currently assumes a focus window, which will
result in a crash if that's not the case.

Comment 2 Jasper St. Pierre (not reading bugmail) 2013-05-19 13:27:46 UTC

Review of attachment 244699 [details] [review]:

OK.

Comment 3 Florian Müllner 2013-05-19 13:32:35 UTC

Attachment 244699 [details] pushed as c68ccbf - screenshot: Check for NULL window in screenshot_window()