gelegentlicher Absturz VDR beim Aufruf "was läuft jetzt" (epgsearch)

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/vdr'.
Program terminated with signal SIGABRT, Aborted.
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
51      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
[Current thread is 1 (Thread 0x7fdc8124a680 (LWP 814))]
(gdb) bt
#0  0x00007fdc7f145e97 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007fdc7f1478db in __GI_abort () at abort.c:100
#2  0x00007fdc5ea12261 in  () at /usr/lib/libGraphicsMagick-Q16.so.3
#3  0x00007fdc80bd8890 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fdc7f1b8646 in __strlen_sse2 () at ../sysdeps/x86_64/multiarch/../strlen.S:120
#5  0x00007fdc7f1a49ae in __GI___strdup (s=0x0) at strdup.c:41
#6  0x00007fdc67887e96 in cMenuMyScheduleItem::Update(cTimers const*, bool) ()
    at /usr/lib/vdr/plugins/libvdr-epgsearch.so.2.4.0
#7  0x00007fdc67889638 in cMenuMyScheduleItem::cMenuMyScheduleItem(cTimers const*, cEvent const*, cChannel const*, showMode, cMenuTemplate*) () at /usr/lib/vdr/plugins/libvdr-epgsearch.so.2.4.0
#8  0x00007fdc67889c29 in cMenuWhatsOnSearch::LoadSchedules() () at /usr/lib/vdr/plugins/libvdr-epgsearch.so.2.4.0
#9  0x00007fdc6788a1aa in cMenuWhatsOnSearch::cMenuWhatsOnSearch(int) () at /usr/lib/vdr/plugins/libvdr-epgsearch.so.2.4.0
#10 0x00007fdc678694ea in cMenuSearchMain::ProcessKey(eKeys) () at /usr/lib/vdr/plugins/libvdr-epgsearch.so.2.4.0
#11 0x00005593346ed25c in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at vdr.c:1424

vdr (2.4.0/2.4.0) - The Video Disk Recorder
bgprocess (0.1.0) - Collects and lists background processes and their status
calc (0.1.0) - VDR mini calculator
conflictcheckonly (0.0.1) - Direct access to epgsearch's conflict check menu
cpumon (0.0.6a) - CPU Monitor
devstatus (0.4.1) - Status of dvb devices
dummydevice (2.0.0) - Output device that does nothing
dynamite (0.3.0) - attach/detach devices on the fly
epgsearch (2.4.0) - search the EPG for repeats and more
epgsearchonly (0.0.1) - Direct access to epgsearch's search menu
externalplayer (0.3.3) - launch external players
extrecmenung (2.0.3) - Extended recordings menu
femon (2.4.0) - DVB Signal Information Monitor (OSD)
filebrowser (0.2.1) - Plugin to browse through files and execute actions on them
freecell (0.0.2) - The well-known card game
fritzbox (1.5.3) - Fritz Plugin for AVM Fritz!Box
graphlcd (1.0.1) - Output to graphic LCD
imonlcd (1.0.2) - Control a iMON LCD
iptv (2.4.0) - Experience the IPTV
lcdproc (0.0.10-jw9) - LCDproc output
live (2.3.1) - Live Interactive VDR Environment
markad (0.1.6) - Mark advertisements
menuorg (0.5.2) - Reorganizes the main menu
neutrinoepg (0.3.6) - View the EPG like neutrino does
osdserver (0.1.3) - Server for remote OSD clients
osdteletext (0.9.7) - Displays teletext on the OSD
quickepgsearch (0.0.1) - Quick search for broadcasts
radio (1.1.0) - Radio Background-Image/RDS-Text
remote (0.7.0) - Remote control
satip (2.4.0) - SAT>IP Devices
scheduler (0.1.6) - Job scheduler and manager
screenshot (0.0.16) - Takes screenshots
skindesigner (1.2.8) - Skin Designer
skinenigmang (0.1.3-git) - EnigmaNG skin
sleeptimer (0.8.3-201301261156dev) - Sleeptimer for VDR
softhdcuvid (0.6.1rc1) - A software and GPU emulated HD device
softhddevice (0.7.0) - A software and GPU emulated HD device
solitaire (0.0.2) - The well-known card game
streamdev-client (0.6.1-git) - VTP Streaming Client
streamdev-server (0.6.1-git) - VDR Streaming Server
systeminfo (0.1.4) - Display various system informations
text2skin (1.3.4+git) - Loader for text-based skins
trayopenng (1.0.1) - Open and close tray of CDROM
tvguide (1.2.11) - A fancy 2d EPG Viewer
tvguideng (0.3.1) - TV Guide for Skindesigner Skins
undelete (2.3.1-pre1) - Undelete recordings
vaapidevice (1.0.0) - VA-API Output Device
vdrmanager (0.14) - VDR-Manager plugin
vnsiserver (1.8.0) - VDR-Network-Streaming-Interface (VNSI) Server
xine (0.9.4) - Software based playback using xine
xineliboutput (2.1.0) - X11/xine-lib output plugin
xmltv2vdr (0.2.1) - Imports xmltv epg into vdr

Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/vdr'.
Program terminated with signal SIGABRT, Aborted.
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
51      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
[Current thread is 1 (Thread 0x7f06736fe680 (LWP 27802))]
(gdb) bt
#0  0x00007f06715f9e97 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007f06715fb8db in __GI_abort () at abort.c:100
#2  0x00007f0650d2f261 in  () at /usr/lib/libGraphicsMagick-Q16.so.3
#3  0x00007f067308c890 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f06715f9e97 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#5  0x00007f06715fb801 in __GI_abort () at abort.c:79
#6  0x00007f0671644897 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f0671771988 "*** %s ***: %s terminated\n") at ../sysdeps/posix/libc_fatal.c:181
#7  0x00007f06716efcd1 in __GI___fortify_fail_abort (need_backtrace=need_backtrace@entry=false, msg=msg@entry=0x7f0671771966 "stack smashing detected") at fortify_fail.c:33
#8  0x00007f06716efc92 in __stack_chk_fail () at stack_chk_fail.c:29
#9  0x00007f0658e5a030 in cIptvProtocolHttp::Connect() () at /usr/lib/vdr/plugins/libvdr-iptv.so.2.4.0
#10 0x00007f0658e5a177 in cIptvProtocolHttp::Connect() () at /usr/lib/vdr/plugins/libvdr-iptv.so.2.4.0
#11 0x00007f0658e5a2cd in cIptvProtocolHttp::SetSource(char const*, int, int) () at /usr/lib/vdr/plugins/libvdr-iptv.so.2.4.0
#12 0x00007f0658e62517 in cIptvStreamer::SetSource(char const*, int, int, cIptvProtocolIf*) () at /usr/lib/vdr/plugins/libvdr-iptv.so.2.4.0
#13 0x00007f0658e5228b in cIptvDevice::SetChannelDevice(cChannel const*, bool) () at /usr/lib/vdr/plugins/libvdr-iptv.so.2.4.0
#14 0x000055fc9817eb93 in cDevice::SetChannel(cChannel const*, bool) (this=this@entry=0x55fc99846640, Channel=Channel@entry=0x55fc9949ae80, LiveView=LiveView@entry=false) at device.c:945
#15 0x000055fc9817ec6e in cDevice::SetChannel(cChannel const*, bool) (this=this@entry=0x55fc9984aa60, Channel=Channel@entry=0x55fc9949ae80, LiveView=LiveView@entry=true) at device.c:926
#16 0x000055fc9817ef06 in cDevice::SwitchChannel(cChannel const*, bool) (this=0x55fc9984aa60, Channel=0x55fc9949ae80, LiveView=LiveView@entry=true) at device.c:848
#17 0x000055fc9816329b in cChannels::SwitchTo(int) const (this=this@entry=0x55fc9849f2c0 <cChannels::channels>, Number=<optimized out>) at channels.c:1040
#18 0x000055fc981b94b8 in cDisplayChannel::ProcessKey(eKeys) (this=this@entry=0x55fca346be80, Key=Key@entry=kDown) at menu.c:5146
#19 0x000055fc981b9dce in cDisplayChannel::cDisplayChannel(eKeys) (this=0x55fca346be80, FirstKey=kDown) at menu.c:4917
#20 0x000055fc9815d42b in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at vdr.c:1506