https://bugs.kde.org/show_bug.cgi?id=427121
Bug ID: 427121 Summary: kdiff3 crashes with segfault on enabling word wrap on big files Product: kdiff3 Version: 1.8.4 Platform: Fedora RPMs OS: Linux Status: REPORTED Severity: normal Priority: NOR Component: application Assignee: reeves...@gmail.com Reporter: travn...@gmail.com Target Milestone: --- The crash can be reproduced every time. How to reproduce: - have big (~11 MBytes) saved Facebook feed html file (also has very long lines) - make copy of the previous file with small change - call "kdiff3 a.html b.html" - toggle "Diffview" -> "Word Wrap Diff Windows" - observe segfault Application: kdiff3 (1.8.4 (64-bit)) Qt Version: 5.14.2 Frameworks Version: 5.70.0 Operating System: Linux 5.8.11-200.fc32.x86_64 x86_64 Windowing system: X11 Distribution: "Fedora release 32 (Thirty Two)" -- Backtrace: Application: KDiff3 (kdiff3), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7fa62ad34900 (LWP 12484))] Thread 10 (Thread 0x7fa5ec245700 (LWP 12496)): #0 0x00007fa62dda11b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fa62eadbd0a in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt5Core.so.5 #2 0x00007fa62eadbe0b in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5 #3 0x00007fa62ead9f45 in QThreadPoolThread::run() () from /lib64/libQt5Core.so.5 #4 0x00007fa62ead6690 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #5 0x00007fa62dd9a432 in start_thread () from /lib64/libpthread.so.0 #6 0x00007fa62e611913 in clone () from /lib64/libc.so.6 Thread 9 (Thread 0x7fa5f0071700 (LWP 12495)): #0 0x00007fa62dda11b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fa62eadbd0a in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt5Core.so.5 #2 0x00007fa62eadbe0b in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5 #3 0x00007fa62ead9f45 in QThreadPoolThread::run() () from /lib64/libQt5Core.so.5 #4 0x00007fa62ead6690 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #5 0x00007fa62dd9a432 in start_thread () from /lib64/libpthread.so.0 #6 0x00007fa62e611913 in clone () from /lib64/libc.so.6 Thread 8 (Thread 0x7fa609a7b700 (LWP 12491)): #0 0x00007fa62dda0e92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fa61567389b in util_queue_thread_func () from /usr/lib64/dri/r600_dri.so #2 0x00007fa61567336b in impl_thrd_routine () from /usr/lib64/dri/r600_dri.so #3 0x00007fa62dd9a432 in start_thread () from /lib64/libpthread.so.0 #4 0x00007fa62e611913 in clone () from /lib64/libc.so.6 Thread 7 (Thread 0x7fa60a27c700 (LWP 12490)): #0 0x00007fa62dda0e92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fa61567389b in util_queue_thread_func () from /usr/lib64/dri/r600_dri.so #2 0x00007fa61567336b in impl_thrd_routine () from /usr/lib64/dri/r600_dri.so #3 0x00007fa62dd9a432 in start_thread () from /lib64/libpthread.so.0 #4 0x00007fa62e611913 in clone () from /lib64/libc.so.6 Thread 6 (Thread 0x7fa60aa7d700 (LWP 12489)): #0 0x00007fa62dda0e92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fa61567389b in util_queue_thread_func () from /usr/lib64/dri/r600_dri.so #2 0x00007fa61567336b in impl_thrd_routine () from /usr/lib64/dri/r600_dri.so #3 0x00007fa62dd9a432 in start_thread () from /lib64/libpthread.so.0 #4 0x00007fa62e611913 in clone () from /lib64/libc.so.6 Thread 5 (Thread 0x7fa60b27e700 (LWP 12488)): #0 0x00007fa62dda0e92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fa61567389b in util_queue_thread_func () from /usr/lib64/dri/r600_dri.so #2 0x00007fa61567336b in impl_thrd_routine () from /usr/lib64/dri/r600_dri.so #3 0x00007fa62dd9a432 in start_thread () from /lib64/libpthread.so.0 #4 0x00007fa62e611913 in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x7fa6150dd700 (LWP 12487)): #0 0x00007fa62dda0e92 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fa61567389b in util_queue_thread_func () from /usr/lib64/dri/r600_dri.so #2 0x00007fa61567336b in impl_thrd_routine () from /usr/lib64/dri/r600_dri.so #3 0x00007fa62dd9a432 in start_thread () from /lib64/libpthread.so.0 #4 0x00007fa62e611913 in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x7fa617fff700 (LWP 12486)): #0 0x00007fa62e606aaf in poll () from /lib64/libc.so.6 #1 0x00007fa62d2d7aae in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0 #2 0x00007fa62d2d7be3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007fa62ecb6b8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #4 0x00007fa62ec6991b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #5 0x00007fa62ead5427 in QThread::exec() () from /lib64/libQt5Core.so.5 #6 0x00007fa62e08c51b in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5 #7 0x00007fa62ead6690 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #8 0x00007fa62dd9a432 in start_thread () from /lib64/libpthread.so.0 #9 0x00007fa62e611913 in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7fa61da63700 (LWP 12485)): #0 0x00007fa62e606aaf in poll () from /lib64/libc.so.6 #1 0x00007fa62ce2a38a in _xcb_conn_wait () from /lib64/libxcb.so.1 #2 0x00007fa62ce2c71a in xcb_wait_for_event () from /lib64/libxcb.so.1 #3 0x00007fa61dc31c78 in QXcbEventQueue::run() () from /lib64/libQt5XcbQpa.so.5 #4 0x00007fa62ead6690 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #5 0x00007fa62dd9a432 in start_thread () from /lib64/libpthread.so.0 #6 0x00007fa62e611913 in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7fa62ad34900 (LWP 12484)): [KCrash Handler] #4 0x00005624cd5523c9 in DiffTextWindow::convertDiff3LineIdxToLine(int) () #5 0x00005624cd5478f0 in KDiff3App::slotFinishRecalcWordWrap(int) () #6 0x00007fa62ec92b5e in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5 #7 0x00007fa62f6f03b2 in QFrame::event(QEvent*) () from /lib64/libQt5Widgets.so.5 #8 0x00007fa62f606063 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #9 0x00007fa62ec6afc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #10 0x00007fa62ec6dc47 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5 #11 0x00007fa62ecb70a7 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5 #12 0x00007fa62d2d778f in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #13 0x00007fa62d2d7b18 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0 #14 0x00007fa62d2d7be3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #15 0x00007fa62ecb6be0 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #16 0x00005624cd594d1c in ProgressDialog::recalc(bool) () #17 0x00007fa62ec92b5e in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5 #18 0x00007fa62f606063 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #19 0x00007fa62ec6afc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #20 0x00007fa62ec6dc47 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5 #21 0x00007fa62ecb70a7 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5 #22 0x00007fa62d2d778f in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #23 0x00007fa62d2d7b18 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0 #24 0x00007fa62d2d7be3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #25 0x00007fa62ecb6b73 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #26 0x00007fa62ec6991b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #27 0x00007fa62ec715a6 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5 #28 0x00005624cd517dbd in main () [Inferior 1 (process 12484) detached] -- You are receiving this mail because: You are watching all bug changes.