Bug 288469

Summary: Plasma desktop crashes when downloading with jdownloader [@ KMimeMagicMatch::match]
Product: [Unmaintained] kdelibs Reporter: Guillem <trencacotxes>
Component: kdecoreAssignee: kdelibs bugs <kdelibs-bugs-null>
Status: RESOLVED WORKSFORME    
Severity: crash CC: blagozlatev, faure, myriam
Priority: NOR    
Version First Reported In: 4.7   
Target Milestone: ---   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Guillem 2011-12-08 11:25:23 UTC 
Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2) (Compiled from sources)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I was downloading some movies with jdownloader when plasma KDE are crashed.

-- Backtrace:
Application: Àrea de treball de l'escriptori Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f9c63e867c0 (LWP 1641))]

Thread 3 (Thread 0x7f9c44f1b700 (LWP 1642)):
#0  0x00007f9c609599e1 in QTimerInfoList::repairTimersIfNeeded (this=0x2082f60) at kernel/qeventdispatcher_unix.cpp:394
#1  0x00007f9c60959a51 in QTimerInfoList::timerWait (this=0x2082f60, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#2  0x00007f9c6095844c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f9c44f1ab3c) at kernel/qeventdispatcher_glib.cpp:136
#3  0x00007f9c609584f5 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#4  0x00007f9c57cf0ff2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9c57cf1dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9c57cf2429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f9c60958f3e in QEventDispatcherGlib::processEvents (this=0x2073af0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#8  0x00007f9c6092ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f9c6092cef7 in QEventLoop::exec (this=0x7f9c44f1acd0, flags=...) at kernel/qeventloop.cpp:201
#10 0x00007f9c6084427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#11 0x00007f9c6090fcbf in QInotifyFileSystemWatcherEngine::run (this=0x1fcb300) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x00007f9c60846d05 in QThreadPrivate::start (arg=0x1fcb300) at thread/qthread_unix.cpp:331
#13 0x00007f9c5500b56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#14 0x00007f9c587feefc in start_thread (arg=0x7f9c44f1b700) at pthread_create.c:304
#15 0x00007f9c6377289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#16 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9c37675700 (LWP 1643)):
#0  0x00007f9c57cf1072 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9c57cf1dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9c57cf2429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9c60958f3e in QEventDispatcherGlib::processEvents (this=0x2681a80, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f9c6092ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9c6092cef7 in QEventLoop::exec (this=0x7f9c37674cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f9c6084427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f9c6090fcbf in QInotifyFileSystemWatcherEngine::run (this=0x2680d40) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f9c60846d05 in QThreadPrivate::start (arg=0x2680d40) at thread/qthread_unix.cpp:331
#9  0x00007f9c5500b56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f9c587feefc in start_thread (arg=0x7f9c37675700) at pthread_create.c:304
#11 0x00007f9c6377289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9c63e867c0 (LWP 1641)):
[KCrash Handler]
#6  bm_init_skiptable (skiptable=0x7fff7cd919d0 "\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377"..., len=1024, cc=0x39e203b01 <Address 0x39e203b01 out of bounds>) at tools/qbytearraymatcher.cpp:54
#7  QByteArrayMatcher::QByteArrayMatcher (this=0x7fff7cd919c0, pattern=<optimized out>) at tools/qbytearraymatcher.cpp:149
#8  0x00007f9c6103f3c7 in indexOf (that=..., ba=<optimized out>) at ../../kdecore/services/kmimemagicrule.cpp:72
#9  0x00007f9c6103f6d0 in KMimeMagicMatch::match (this=0x1fd1bf0, device=0x7fff7cd92220, deviceSize=232000, availableData=..., mimeType=...) at ../../kdecore/services/kmimemagicrule.cpp:156
#10 0x00007f9c6103f7fd in testMatches (mimeType=..., matches=..., availableData=..., deviceSize=232000, device=0x7fff7cd92220) at ../../kdecore/services/kmimemagicrule.cpp:50
#11 KMimeMagicRule::match (this=0x3993250, device=0x7fff7cd92220, deviceSize=232000, availableData=...) at ../../kdecore/services/kmimemagicrule.cpp:104
#12 0x00007f9c6104d615 in KMimeTypeRepository::findFromContent (this=0x2cab050, device=0x7fff7cd92220, accuracy=0x7fff7cd921ac, beginning=...) at ../../kdecore/services/kmimetyperepository.cpp:249
#13 0x00007f9c61042a1f in KMimeType::findByUrlHelper (_url=..., mode=<optimized out>, is_local_file=<optimized out>, device=0x7fff7cd92220, accuracy=0x7fff7cd92288) at ../../kdecore/services/kmimetype.cpp:230
#14 0x00007f9c61043881 in KMimeType::findByUrl (url=..., mode=32768, is_local_file=<optimized out>, fast_mode=<optimized out>, accuracy=<optimized out>) at ../../kdecore/services/kmimetype.cpp:323
#15 0x00007f9c62e07d28 in KFileItem::mimeTypePtr (this=0x28f1bb8) at ../../kio/kio/kfileitem.cpp:1414
#16 0x00007f9c62dfd845 in KDirModelPrivate::_k_slotRefreshItems (this=0x33648a0, items=<optimized out>) at ../../kio/kio/kdirmodel.cpp:566
#17 0x00007f9c62e00712 in KDirModel::qt_metacall (this=0x2efdcb0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff7cd92540) at ./kdirmodel.moc:92
#18 0x00007f9c60940eba in QMetaObject::activate (sender=0x285e0f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff7cd92540) at kernel/qobject.cpp:3278
#19 0x00007f9c62de5705 in KDirLister::refreshItems (this=<optimized out>, _t1=<optimized out>) at ./kdirlister.moc:302
#20 0x00007f9c62de5aef in KDirLister::Private::emitItems (this=0x38ec740) at ../../kio/kio/kdirlister.cpp:2487
#21 0x00007f9c62df2a2b in KDirListerCache::processPendingUpdates (this=0x1dc2b60) at ../../kio/kio/kdirlister.cpp:1959
#22 0x00007f9c62df5d5c in KDirListerCache::qt_metacall (this=0x1dc2b60, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff7cd926e0) at ./kdirlister_p.moc:109
#23 0x00007f9c60940eba in QMetaObject::activate (sender=0x1dc2bc0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#24 0x00007f9c60944789 in QObject::event (this=0x1dc2bc0, e=<optimized out>) at kernel/qobject.cpp:1181
#25 0x00007f9c5fcde424 in notify_helper (e=0x7fff7cd92c40, receiver=0x1dc2bc0, this=0x19b7280) at kernel/qapplication.cpp:4486
#26 QApplicationPrivate::notify_helper (this=0x19b7280, receiver=0x1dc2bc0, e=0x7fff7cd92c40) at kernel/qapplication.cpp:4458
#27 0x00007f9c5fce3291 in QApplication::notify (this=0x1995aa0, receiver=0x1dc2bc0, e=0x7fff7cd92c40) at kernel/qapplication.cpp:4365
#28 0x00007f9c615dc126 in KApplication::notify (this=0x1995aa0, receiver=0x1dc2bc0, event=0x7fff7cd92c40) at ../../kdeui/kernel/kapplication.cpp:311
#29 0x00007f9c6092dafc in QCoreApplication::notifyInternal (this=0x1995aa0, receiver=0x1dc2bc0, event=0x7fff7cd92c40) at kernel/qcoreapplication.cpp:787
#30 0x00007f9c6095ad62 in sendEvent (event=0x7fff7cd92c40, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#31 QTimerInfoList::activateTimers (this=0x19b5c30) at kernel/qeventdispatcher_unix.cpp:603
#32 0x00007f9c60958514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#33 0x00007f9c57cf1a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f9c57cf2258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f9c57cf2429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f9c60958ed6 in QEventDispatcherGlib::processEvents (this=0x18f3f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00007f9c5fd8607e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007f9c6092ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x00007f9c6092cef7 in QEventLoop::exec (this=0x7fff7cd92ed0, flags=...) at kernel/qeventloop.cpp:201
#40 0x00007f9c60931789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#41 0x00007f9c63a711a3 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#42 0x00007f9c636b230d in __libc_start_main (main=0x400640, argc=1, ubp_av=0x7fff7cd932b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff7cd932a8) at libc-start.c:226
#43 0x0000000000400671 in _start ()

Reported using DrKonqi
Comment 1 Blagovest Zlatev 2011-12-08 14:08:03 UTC 
Can you give all the information about the crash in English? It's hard for us to understand the bug correctly when it's in other language.
Comment 2 Andrew Crouthamel 2018-10-29 22:44:14 UTC 
Dear Bug Submitter,

This bug has been stagnant for a long time. Could you help us out and re-test if the bug is valid in the latest version? I am setting the status to NEEDSINFO pending your response, please change the Status back to REPORTED when you respond.

Thank you for helping us make KDE software even better for everyone!
Comment 3 Bug Janitor Service 2018-11-13 14:35:49 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 4 Bug Janitor Service 2018-11-29 04:55:02 UTC 
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!