crash in evince and eog when using trusted X forwarding

[Martin Uecker]

eog and evince crash in libgeis1 when started using a un-trusted X connection (ForwardX11Trusted no in .ssh/config)

(gdb) run
Starting program: /usr/bin/eog
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffebc32700 (LWP 29920)]
[New Thread 0x7fffeb225700 (LWP 29921)]
[New Thread 0x7fffeaa24700 (LWP 29923)]
[New Thread 0x7fffe9d58700 (LWP 29924)]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff1d87e10 in ?? () from /usr/lib/x86_64-linux-gnu/libgeis.so.1
(gdb) bt
#0 0x00007ffff1d87e10 in ?? () from /usr/lib/x86_64-linux-gnu/libgeis.so.1
#1 0x00007ffff1d898b6 in geis_filter_new () from /usr/lib/x86_64-linux-gnu/libgeis.so.1
#2 0x00007ffff654741d in ?? () from /usr/lib/x86_64-linux-gnu/libgrip.so.0
#3 0x00007ffff6547927 in ?? () from /usr/lib/x86_64-linux-gnu/libgrip.so.0
#4 0x00007ffff5ffa39c in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#5 0x00007ffff46fc188 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6 0x00007ffff470db1d in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7 0x00007ffff47154f9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8 0x00007ffff4715ae2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9 0x00007ffff611b794 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#10 0x00007ffff5ffa22e in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#11 0x00007ffff5c26fb2 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
#12 0x00007ffff44333b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007ffff4433708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff44337ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007ffff56eda8c in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#16 0x000000000041e530 in main (argc=1, argv=0x7fffffffe658) at main.c:187

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: libgeis1 2.2.16+13.10.20130919.4-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
Date: Sat Jan 4 18:20:39 2014
InstallationDate: Installed on 2012-04-26 (618 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
LsInput: Error: command ['pkexec', 'lsinput'] failed with exit code 127: Cannot run program lsinput: No such file or directory
MachineType: System76, Inc. Lemur Ultra
MarkForUpload: True
MtDevices: SynPS/2 Synaptics TouchPad: /dev/input/event9
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-15-generic root=UUID=96551326-e461-4071-ab9c-0e81ad7015d7 ro quiet splash acpi_os_name=Linux acpi_osi= vt.handoff=7
SourcePackage: geis
UpgradeStatus: Upgraded to saucy on 2014-01-04 (0 days ago)
XInput: Error: command ['xinput', 'input'] failed with exit code 1: X Input extension not available.
Xrandr: Error: command ['xrandr', '--verbose'] failed with exit code 1: RandR extension missing
dmi.bios.date: 06/25/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.5
dmi.board.asset.tag: Tag 12345
dmi.board.name: Lemur Ultra
dmi.board.vendor: System76, Inc.
dmi.board.version: lemu4
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd06/25/2012:svnSystem76,Inc.:pnLemurUltra:pvrlemu4:rvnSystem76,Inc.:rnLemurUltra:rvrlemu4:cvnNoEnclosure:ct10:cvrN/A:
dmi.product.name: Lemur Ultra
dmi.product.version: lemu4
dmi.sys.vendor: System76, Inc.