Package: kradio4 Version: 4.0.8+git20160618-1 Severity: important Dear Maintainer, kradio4 crashes after reading the lirc configuration.
In my opinion the crash happens because the current stretch package was built against liblircclient-dev (0.9.0~pre1-1.2). [1] [2] Now the interface changed between 0.9.0~pre1-1.2 and 0.9.4c-4. At least the struct lirc_config and lirc_config_entry in lirc_client.h have different sizes. (See attached gdb session.) Using a package built against 0.9.4c-4 did not show the crash. Therefore I assume just rebuilding the stretch package kradio4 should resolve the issue. Kind regards, Bernhard PS.: Is there any debian facility that should have catched that? Or should this be reported against liblircclient0 as at least the packages in [3] are probably affected too (due to the latest build log). [1] https://buildd.debian.org/status/package.php?p=kradio4&suite=unstable [2] https://buildd.debian.org/status/fetch.php?pkg=kradio4&arch=amd64&ver=4.0.8%2Bgit20160618-1&stamp=1466289377 [3] apt-cache rdepends liblirc-client0 audacious-plugins bino fbtv geeqie gxine kradio4 lcdproc-extra-drivers lxmms2 python-pylirc rhythmbox-plugins rosegarden totem-plugins xawtv xine-console xine-ui zapping (shows more packages, but these got build against 0.9.4c-4) -- System Information: Debian Release: stretch/sid APT prefers testing-debug APT policy: (500, 'testing-debug'), (500, 'testing') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.8.0-1-amd64 (SMP w/2 CPU cores) Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages kradio4 depends on: pn kde-runtime <none> ii libasound2 1.1.2-1 ii libavcodec57 7:3.2-2 ii libavformat57 7:3.2-2 ii libavresample3 7:3.2-2 ii libc6 2.24-5 ii libgcc1 1:6.2.0-10 ii libkdecore5 4:4.14.25-1 ii libkdeui5 4:4.14.25-1 ii libkio5 4:4.14.25-1 ii liblircclient0 0.9.4c-4 ii libmms0 0.6.4-2 ii libmp3lame0 3.99.5+repack1-9+b1 ii libogg0 1.3.2-1 ii libqt4-dbus 4:4.8.7+dfsg-11 ii libqt4-network 4:4.8.7+dfsg-11 ii libqt4-svg 4:4.8.7+dfsg-11 ii libqt4-xml 4:4.8.7+dfsg-11 ii libqtcore4 4:4.8.7+dfsg-11 ii libqtgui4 4:4.8.7+dfsg-11 ii libsndfile1 1.0.27-1 ii libstdc++6 6.2.0-10 ii libswresample2 7:3.2-2 ii libvorbis0a 1.3.5-3 ii libvorbisenc2 1.3.5-3 ii libvorbisfile3 1.3.5-3 kradio4 recommends no packages. kradio4 suggests no packages.
apt-get install kradio4-dbgsym liblirc-client0-dbgsym:amd64 bernhard@rechner:~$ gdb -q --args kradio4 Reading symbols from kradio4...Reading symbols from /usr/lib/debug/.build-id/03/2caf5309786c6cac447609f6c9ae040c53ce59.debug...done. done. (gdb) directory /home/bernhard/data/entwicklung/2016/debian/kradio4/2016-11-15/liblirc-client0/lirc-0.9.4c/lib Source directories searched: /home/bernhard/data/entwicklung/2016/debian/kradio4/2016-11-15/liblirc-client0/lirc-0.9.4c/lib:$cdir:$cwd (gdb) directory /home/bernhard/data/entwicklung/2016/debian/kradio4/2016-11-15/kradio4/kradio4-4.0.8+git20160618/plugins/lirc Source directories searched: /home/bernhard/data/entwicklung/2016/debian/kradio4/2016-11-15/kradio4/kradio4-4.0.8+git20160618/plugins/lirc:/home/bernhard/data/entwicklung/2016/debian/kradio4/2016-11-15/liblirc-client0/lirc-0.9.4c/lib:$cdir:$cwd (gdb) b lirc_client.c:1446 No source file named lirc_client.c. Make breakpoint pending on future shared library load? (y or [n]) y Breakpoint 1 (lirc_client.c:1446) pending. (gdb) run Starting program: /usr/bin/kradio4 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffd3dc8700 (LWP 13180)] [Thread 0x7fffd3dc8700 (LWP 13180) exited] initialisiere das Plugin für die LIRC Fernsteuerung Warnungen/Fehlermeldungen über nicht vorhandene Unix-Sockets sind kein Problem - üblicherweise ist der LIRC-Dienst in diesen Fällen nicht gestartet. Die Initialisierung des LIRC Plugins war erfolgreich [New Thread 0x7fffd3dc8700 (LWP 13181)] [New Thread 0x7fffd766d700 (LWP 13186)] [Thread 0x7fffd766d700 (LWP 13186) exited] [New Thread 0x7fffd766d700 (LWP 13187)] [Thread 0x7fffd766d700 (LWP 13187) exited] Warning: bad shebang (ignored) Thread 1 "kradio4" hit Breakpoint 1, lirc_readconfig (file=<optimized out>, config=config@entry=0xde4b80, check=check@entry=0x0) at lirc_client.c:1446 1446 if ((*config)->lircrc_class == NULL) (gdb) print config $1 = (struct lirc_config **) 0xde4b80 (gdb) print *config $2 = (struct lirc_config *) 0xb2eab0 (gdb) print **config $3 = {lircrc_class = 0x0, current_mode = 0x0, next = 0xadabf0, first = 0xadabf0, sockfd = -1} (gdb) print sizeof(struct lirc_config) $4 = 40 (gdb) print (**config).first $5 = (struct lirc_config_entry *) 0xadabf0 (gdb) print *(**config).first $6 = {prog = 0x157b900 "kradio", code = 0x15abf10, rep_delay = 0, ign_first_events = 0, rep = 1, config = 0x15ad2c0, change_mode = 0x0, flags = 0, mode = 0x0, next_config = 0x15ad2c0, next_code = 0x15abf10, next = 0x0} (gdb) print sizeof(struct lirc_config_entry) $7 = 88 (gdb) print (*(**config).first).next $8 = (struct lirc_config_entry *) 0x0 (gdb) (gdb) (gdb) (gdb) (gdb) (gdb) b lircsupport.cpp:131 Breakpoint 2 at 0x7fffe644eaf8: file /build/kradio4-FRDR46/kradio4-4.0.8+git20160618/plugins/lirc/lircsupport.cpp, line 131. (gdb) cont Continuing. Thread 1 "kradio4" hit Breakpoint 2, LircSupport::LIRC_init_config (this=this@entry=0xde4a30) at /build/kradio4-FRDR46/kradio4-4.0.8+git20160618/plugins/lirc/lircsupport.cpp:131 131 for (lirc_config_entry *e = m_lircConfig ? m_lircConfig->first : NULL; e; e = e->next) { (gdb) print m_lircConfig $9 = (lirc_config *) 0xb2eab0 (gdb) print *m_lircConfig $10 = {current_mode = 0x0, next = 0x0, first = 0xadabf0, sockfd = 11381744} (gdb) print sizeof(lirc_config) $11 = 32 (gdb) print (*m_lircConfig).first $12 = (lirc_config_entry *) 0xadabf0 (gdb) print *(*m_lircConfig).first $13 = {prog = 0x157b900 "kradio", code = 0x15abf10, rep_delay = 0, rep = 0, config = 0x1, change_mode = 0x15ad2c0 "p\312", <incomplete sequence \303>, flags = 0, mode = 0x0, next_config = 0x0, next_code = 0x15ad2c0, next = 0x15abf10} (gdb) print sizeof(lirc_config_entry) $14 = 80 (gdb) print (*(*m_lircConfig).first).next $15 = (lirc_config_entry *) 0x15abf10 (gdb) print *(*(*m_lircConfig).first).next $16 = {prog = 0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, code = 0xffffffffffffffff, rep_delay = 0, rep = 0, config = 0x31, change_mode = 0x300000001 <error: Cannot access memory at address 0x300000001>, flags = 1, mode = 0x15abf48 "0", next_config = 0x6c006900660030, next_code = 0x65, next = 0x31} (gdb) cont Continuing. Thread 1 "kradio4" received signal SIGSEGV, Segmentation fault. 0x00007ffff51d4ecb in QString::fromLatin1_helper (str=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, size=-1) at tools/qstring.cpp:3821 3821 tools/qstring.cpp: Datei oder Verzeichnis nicht gefunden. (gdb) bt #0 0x00007ffff51d4ecb in QString::fromLatin1_helper (str=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, size=-1) at tools/qstring.cpp:3821 #1 0x00007ffff51d84e5 in QString::fromAscii_helper (str=<optimized out>, size=size@entry=-1) at tools/qstring.cpp:3887 #2 0x00007fffe644eb5e in QString::QString (ch=<optimized out>, this=0x7fffffffdc30) at /usr/include/qt4/QtCore/qstring.h:419 #3 LircSupport::LIRC_init_config (this=this@entry=0xde4a30) at /build/kradio4-FRDR46/kradio4-4.0.8+git20160618/plugins/lirc/lircsupport.cpp:132 #4 0x00007fffe644f052 in LircSupport::LIRC_init_config (this=0xde4a30) at /build/kradio4-FRDR46/kradio4-4.0.8+git20160618/plugins/lirc/lircsupport.cpp:123 #5 LircSupport::startPlugin (this=0xde4a30) at /build/kradio4-FRDR46/kradio4-4.0.8+git20160618/plugins/lirc/lircsupport.cpp:742 #6 0x000000000047917c in PluginManager::startPlugins (this=0xad9430) at /build/kradio4-FRDR46/kradio4-4.0.8+git20160618/src/pluginmanager.cpp:656 #7 0x0000000000483eba in InstanceManager::startPlugins (this=this@entry=0x7fffffffdde0) at /build/kradio4-FRDR46/kradio4-4.0.8+git20160618/src/instancemanager.cpp:318 #8 0x0000000000430ca6 in main (argc=1, argv=0x7fffffffdf38) at /build/kradio4-FRDR46/kradio4-4.0.8+git20160618/src/main.cpp:67 (gdb) up #1 0x00007ffff51d84e5 in QString::fromAscii_helper (str=<optimized out>, size=size@entry=-1) at tools/qstring.cpp:3887 3887 in tools/qstring.cpp (gdb) #2 0x00007fffe644eb5e in QString::QString (ch=<optimized out>, this=0x7fffffffdc30) at /usr/include/qt4/QtCore/qstring.h:419 419 /usr/include/qt4/QtCore/qstring.h: Datei oder Verzeichnis nicht gefunden. (gdb) #3 LircSupport::LIRC_init_config (this=this@entry=0xde4a30) at /build/kradio4-FRDR46/kradio4-4.0.8+git20160618/plugins/lirc/lircsupport.cpp:132 132 if (QString(e->prog) == LIRCPROG) { (gdb) print e $17 = (lirc_config_entry *) 0x15abf10 (gdb) print *e $18 = {prog = 0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, code = 0xffffffffffffffff, rep_delay = 0, rep = 0, config = 0x31, change_mode = 0x300000001 <error: Cannot access memory at address 0x300000001>, flags = 1, mode = 0x15abf48 "0", next_config = 0x6c006900660030, next_code = 0x65, next = 0x31} (gdb) detach Detaching from program: /usr/bin/kradio4, process 13169 KCrash: Application 'kradio4' crashing... KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit KCrash: Connect sock_file=/home/bernhard/.kde/socket-rechner/kdeinit4__0 (gdb) Unable to start Dr. Konqi Not forwarding the crash to Apport. q
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