[Bug 178958] New: Open dialog with preview crashes applications

[Michal Sojka]

http://bugs.kde.org/show_bug.cgi?id=178958

           Summary: Open dialog with preview crashes applications
           Product: kde
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: sojkam1 at fel.cvut.cz


Version:            (using Devel)
Compiler:           Debian experimental packages
OS:                Linux
Installed from:    Compiled sources

When open dialog enters a directory with a specific .png file and preview is
switched on, the application crashes. I've tried several applications, below is
backtrace from kwrite.

The .png file is (I try to attach it to the bug report)
gradient.png: PNG image, 1 x 64, 8-bit/color RGB, non-interlaced

Aplikace: KWrite (kwrite), signál SIGABRT

Thread 1 (Thread 0xb7f096c0 (LWP 4370)):
[KCrash Handler]
#6  0xb7f47424 in __kernel_vsyscall ()
#7  0x4c788640 in raise () from /lib/i686/cmov/libc.so.6
#8  0x4c78a018 in abort () from /lib/i686/cmov/libc.so.6
#9  0x4434bd6d in qt_message_output (msgType=<value optimized out>, buf=<value
optimized out>) at global/qglobal.cpp:2102
#10 0x4434be36 in qFatal (msg=<value optimized out>) at global/qglobal.cpp:2303
#11 0x4434bec5 in qt_assert (assertion=) at global/qglobal.cpp:1872
#12 0x456a3df0 in KDirModel::setData (this=) at ../../kio/kio/kdirmodel.cpp:712
#13 0x43f74356 in KFilePreviewGenerator::Private::dispatchPreviewQueue
(this=<value optimized out>) at ../../kfile/kfilepreviewgenerator.cpp:493
#14 0x43f770d6 in KFilePreviewGenerator::qt_metacall (this=<value optimized
out>, _c=<value optimized out>, _id=<value optimized out>, _a=<value optimized
out>) at ./kfilepreviewgenerator.moc:80
#15 0x4445141b in QMetaCallEvent::placeMetaCall (this=) at
kernel/qobject.cpp:529
#16 0x44452f91 in QObject::event (this=<value optimized out>, e=<value
optimized out>) at kernel/qobject.cpp:1155
#17 0x447f0e9c in QApplicationPrivate::notify_helper (this=<value optimized
out>, receiver=<value optimized out>, e=<value optimized out>) at
kernel/qapplication.cpp:3803
#18 0x447f8d1e in QApplication::notify (this=<value optimized out>,
receiver=<value optimized out>, e=<value optimized out>) at
kernel/qapplication.cpp:3393
#19 0x453e0e7d in KApplication::notify (this=<value optimized out>,
receiver=<value optimized out>, event=<value optimized out>) at
../../kdeui/kernel/kapplication.cpp:307
#20 0x44443781 in QCoreApplication::notifyInternal (this=<value optimized out>,
receiver=<value optimized out>, event=<value optimized out>) at
kernel/qcoreapplication.cpp:587
#21 0x44444405 in QCoreApplicationPrivate::sendPostedEvents (receiver=<value
optimized out>, event_type=<value optimized out>, data=<value optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:209
#22 0x444445fd in QCoreApplication::sendPostedEvents (receiver=) at
kernel/qcoreapplication.cpp:1091
#23 0x4446e03f in postEventSourceDispatch (s=) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:214
#24 0x4cd031b8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0x4cd06853 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0x08c97e98 in ?? ()
#27 0x00000000 in ?? ()

Standard output shows the following:

ASSERT: "!icon.isNull()" in file ../../kio/kio/kdirmodel.cpp, line 712
KCrash: Application 'kwrite' crashing...


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