lxpanel crashes when window closes

[Janus]

It happens with urxvt, and only when closing a window which is blinking (marked urgent)

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: lxpanel 0.7.2-1ubuntu2
ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
Uname: Linux 3.19.0-21-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
Config_Home_LXDE:
 [Command]
 Logout=lxde-logout
CurrentDesktop: LXDE
Date: Wed Jul 15 18:34:53 2015
SourcePackage: lxpanel
UpgradeStatus: Upgraded to vivid on 2015-04-19 (87 days ago)

[Janus (ysangkok+launchpad)]

** (lxpanel:11359): WARNING **: margin is bigger then edge size 2904 > 1280. Ignoring margin
[New Thread 0x7fffd1c10700 (LWP 11383)]
[New Thread 0x7fffdcc3c700 (LWP 11363)]
[New Thread 0x7fffee5cb700 (LWP 11361)]
[New Thread 0x7fffeedcc700 (LWP 11360)]

Program received signal SIGSEGV, Segmentation fault.
flash_window_update (tk=tk@entry=0x555555cf35e0) at launchtaskbar.c:2276
2276 launchtaskbar.c: No such file or directory.
(gdb) bt
#0 flash_window_update (tk=tk@entry=0x555555cf35e0) at launchtaskbar.c:2276
#1 0x000055555557972f in flash_window_timeout (tk=0x555555cf35e0)
    at launchtaskbar.c:2288
#2 0x00007ffff57aa5e3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007ffff57a9b4d in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007ffff57a9f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007ffff57aa242 in g_main_loop_run ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6 0x00007ffff71bb857 in gtk_main ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#7 0x000055555556736a in main (argc=3, argv=0x7fffffffdb48,
    env=0x7fffffffdb68) at panel.c:1886
(gdb) disass $pc
Dump of assembler code for function flash_window_update:
   0x0000555555579460 <+0>: push %rbx
   0x0000555555579461 <+1>: mov 0x8(%rdi),%rax
   0x0000555555579465 <+5>: mov %rdi,%rbx
=> 0x0000555555579468 <+8>: mov 0xb8(%rax),%eax
   0x000055555557946e <+14>: test %eax,%eax
   0x0000555555579470 <+16>: jne 0x555555579488 <flash_window_update+40>
   0x0000555555579472 <+18>: movzbl 0x74(%rdi),%esi
   0x0000555555579476 <+22>: mov 0x48(%rdi),%rdi
   0x000055555557947a <+26>: shl $0x1c,%esi
   0x000055555557947d <+29>: sar $0x1f,%esi
   0x0000555555579480 <+32>: and $0x3,%esi
   0x0000555555579483 <+35>: callq 0x555555564da0 <gtk_widget_set_state@plt>
   0x0000555555579488 <+40>: mov %rbx,%rdi
   0x000055555557948b <+43>: callq 0x555555579300 <task_draw_label>
   0x0000555555579490 <+48>: movzbl 0x74(%rbx),%eax
   0x0000555555579494 <+52>: mov %eax,%edx
   0x0000555555579496 <+54>: and $0xfffffff7,%eax
   0x0000555555579499 <+57>: not %edx
   0x000055555557949b <+59>: and $0x8,%edx
   0x000055555557949e <+62>: or %edx,%eax
   0x00005555555794a0 <+64>: mov %al,0x74(%rbx)
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) info registers
rax 0x200000093 8589934739
rbx 0x555555cf35e0 93825000224224
rcx 0x7ffff5422340 140737308140352
rdx 0x0 0
rsi 0x1 1
rdi 0x555555cf35e0 93825000224224
rbp 0x555555e26b90 0x555555e26b90
rsp 0x7fffffffd860 0x7fffffffd860
r8 0x6 6
r9 0x7ffff5a6d900 140737314740480
r10 0x70 112
r11 0xe 14
r12 0x5555557c68f0 93824994797808
r13 0x555555808090 93824995066000
r14 0x555555e26b90 93825001483152
r15 0x7ffff57aa5d0 140737311843792
rip 0x555555579468 0x555555579468 <flash_window_update+8>
eflags 0x10246 [ P...

[Launchpad Janitor (janitor)]

This bug was fixed in the package lxpanel - 0.9.1-1ubuntu1

---------------
lxpanel (0.9.1-1ubuntu1) zesty; urgency=medium

  * Merge with Debian unstable. Ubuntu remaining changes:
  * debian/control:
   - Add libindicator-dev build-depends.
   - Add lxpanel-indicator-applet-plugin binary.
   - Add build-depends on libicu-dev for weather plugin.
   - Update Replaces and Breaks on lxpanel-data (LP: #1417244).
  * debian/lxpanel.install:
   - Install all plugins except indicators.
  * debian/lxpanel-indicator-applet-plugin.install:
   - Install indicator plugin.
  * debian/rules:
   - Add --enable-indicator-support flag.
   - Add dh_install --fail-missing.
   - Re-enable dh_makeshlibs, FTBFS with lxpanel-indicator-applet-plugin.
  * debian/patches:
   - 04_disable_gtk3_indicators.patch: Hide incompatible indicators in the
     preference menu (LP: #1165245).

lxpanel (0.9.1-1) unstable; urgency=medium

  [ Andriy Grytsenko ]
  * Merging upstream version 0.9.1 (Closes: #845060).
  * Using aumix-gtk on !linux-any instead of gnome-alsamixer.

  [ Pino Toscano ]
  * Making sure that ALSA is always disabled for non-Linux architectures.

lxpanel (0.9.0-1) unstable; urgency=medium

  * Merging upstream version 0.9.0 (Closes: #831866, LP: #824071, #1445818,
    #1474936, #1490098, #1537334, #1533308, #1539930, #1555649, #1581708,
    #1583833, #1615326).
  * Bump Standards-Version to 3.9.8.
  * Updating debian/lxpanel.lintian-overrides for multiarch.
  * Updating lxpanel.hints.5 manpage.
  * Updating debian/lxpanel.README.Debian removing section about lxpanel-dev.
  * Updating debian/copyright file.

 -- Julien Lavergne <email address hidden> Sat, 26 Nov 2016 11:39:13 +0100