https://bugs.kde.org/show_bug.cgi?id=371988
Bug ID: 371988
Summary: Crash when using multibrush and then flipping the
stylus. (GDB backtrace)
Product: krita
Version: git master
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Tile manager
Assignee: krita-bugs-n...@kde.org
Reporter: griffinval...@gmail.com
Target Milestone: ---
I was using the multibrush with a sketchbrush, and then I flipped my stylus for
the eraser end. Krita then crashed with the following backtrace:
I didn't try reproducing.
Thread 1 "krita" received signal SIGSEGV, Segmentation fault.
0x00007ffff6542268 in QWidgetItem::isEmpty() const () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
(gdb) thread apply all backtrace
Thread 3260 (Thread 0x7fff85e1a700 (LWP 31004)):
#0 pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1 0x00007ffff556b738 in QWaitCondition::wait(QMutex*, unsigned long) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#2 0x00007ffff5567467 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#3 0x00007ffff556ac89 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#4 0x00007fffeea8070a in start_thread (arg=0x7fff85e1a700) at
pthread_create.c:333
#5 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3259 (Thread 0x7fff71f4c700 (LWP 31003)):
#0 pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1 0x00007ffff556b738 in QWaitCondition::wait(QMutex*, unsigned long) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#2 0x00007ffff5567467 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#3 0x00007ffff556ac89 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#4 0x00007fffeea8070a in start_thread (arg=0x7fff71f4c700) at
pthread_create.c:333
#5 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3258 (Thread 0x7fff6c98c700 (LWP 31001)):
#0 pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1 0x00007ffff556b738 in QWaitCondition::wait(QMutex*, unsigned long) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#2 0x00007ffff5567467 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#3 0x00007ffff556ac89 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#4 0x00007fffeea8070a in start_thread (arg=0x7fff6c98c700) at
pthread_create.c:333
#5 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3257 (Thread 0x7fff7174b700 (LWP 31000)):
#0 pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1 0x00007ffff556b738 in QWaitCondition::wait(QMutex*, unsigned long) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#2 0x00007ffff5567467 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#3 0x00007ffff556ac89 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#4 0x00007fffeea8070a in start_thread (arg=0x7fff7174b700) at
pthread_create.c:333
#5 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 16 (Thread 0x7fff9957f700 (LWP 25245)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ffff556b7eb in QWaitCondition::wait(QMutex*, unsigned long) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#2 0x00007ffff6741aa2 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#3 0x00007ffff556ac89 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#4 0x00007fffeea8070a in start_thread (arg=0x7fff9957f700) at
pthread_create.c:333
#5 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 14 (Thread 0x7fff99d80700 (LWP 25243)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ffff556b7eb in QWaitCondition::wait(QMutex*, unsigned long) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#2 0x00007ffff5565116 in QSemaphore::tryAcquire(int, int) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#3 0x00007ffff2c43743 in KisTileDataSwapper::waitForWork (this=<optimized
out>) at
/home/krita/kde/src/krita/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:86
#4 0x00007ffff2c4393a in KisTileDataSwapper::run (this=0x7ffff310e920
<(anonymous namespace)::Q_QGS_s_instance::innerFunction()::holder+64>)
at
/home/krita/kde/src/krita/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:92
---Type <return> to continue, or q <return> to quit---
#5 0x00007ffff556ac89 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#6 0x00007fffeea8070a in start_thread (arg=0x7fff99d80700) at
pthread_create.c:333
#7 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 13 (Thread 0x7fff9a581700 (LWP 25242)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ffff556b7eb in QWaitCondition::wait(QMutex*, unsigned long) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#2 0x00007ffff5564e8b in QSemaphore::acquire(int) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#3 0x00007ffff2c29afe in KisTileDataPooler::waitForWork (this=0x7ffff310e8e0
<(anonymous namespace)::Q_QGS_s_instance::innerFunction()::holder>)
at /home/krita/kde/src/krita/libs/image/tiles3/kis_tile_data_pooler.cc:165
#4 0x00007ffff2c2a2ba in KisTileDataPooler::run (this=0x7ffff310e8e0
<(anonymous namespace)::Q_QGS_s_instance::innerFunction()::holder>)
at /home/krita/kde/src/krita/libs/image/tiles3/kis_tile_data_pooler.cc:187
#5 0x00007ffff556ac89 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#6 0x00007fffeea8070a in start_thread (arg=0x7fff9a581700) at
pthread_create.c:333
#7 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 6 (Thread 0x7fffcbfff700 (LWP 25233)):
#0 0x00007ffff4c5ab5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007fffee15539c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fffee1554ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007ffff577c4fc in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#4 0x00007ffff572aefa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#5 0x00007ffff556638c in QThread::exec() () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#6 0x00007fffeecabcd5 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5DBus.so.5
#7 0x00007ffff556ac89 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#8 0x00007fffeea8070a in start_thread (arg=0x7fffcbfff700) at
pthread_create.c:333
#9 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 5 (Thread 0x7fffd903b700 (LWP 25232)):
#0 0x00007ffff4c5ab5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007fffee15539c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fffee155722 in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fffde499916 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4 0x00007fffee17bbc5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fffeea8070a in start_thread (arg=0x7fffd903b700) at
pthread_create.c:333
#6 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 4 (Thread 0x7fffd983c700 (LWP 25231)):
#0 0x00007ffff4c5ab5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007fffee15539c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fffee1554ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fffee1554e9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fffee17bbc5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fffeea8070a in start_thread (arg=0x7fffd983c700) at
pthread_create.c:333
#6 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7fffda03d700 (LWP 25230)):
#0 0x00007ffff4c5ab5d in poll () at ../sysdeps/unix/syscall-template.S:84
---Type <return> to continue, or q <return> to quit---
#1 0x00007fffee15539c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fffee1554ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fffda04528d in ?? () from
/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4 0x00007fffee17bbc5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fffeea8070a in start_thread (arg=0x7fffda03d700) at
pthread_create.c:333
#6 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7fffe48ad700 (LWP 25229)):
#0 0x00007ffff4c5ab5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007ffff336bc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007ffff336d8d7 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007fffe575cdc9 in ?? () from
/home/krita/Qt/5.6/gcc_64/plugins/platforms/../../lib/libQt5XcbQpa.so.5
#4 0x00007ffff556ac89 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#5 0x00007fffeea8070a in start_thread (arg=0x7fffe48ad700) at
pthread_create.c:333
#6 0x00007ffff4c6682d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 1 (Thread 0x7ffff7f0e8c0 (LWP 25225)):
#0 0x00007ffff6542268 in QWidgetItem::isEmpty() const () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#1 0x00007ffff6542d3a in QWidgetItemV2::minimumSize() const () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#2 0x00007ffff653b311 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#3 0x00007ffff653b985 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#4 0x00007ffff653bbdd in QGridLayout::minimumSize() const () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#5 0x00007ffff653ebb5 in QLayout::totalMinimumSize() const () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#6 0x00007ffff6540480 in QLayout::activate() () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#7 0x00007ffff652001a in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#8 0x00007ffff6524488 in QApplication::notify(QObject*, QEvent*) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5
#9 0x00007ffff78c8e87 in KisApplication::notify (this=<optimized out>,
receiver=0xecb3170, event=0x14439270)
at /home/krita/kde/src/krita/libs/ui/KisApplication.cpp:519
#10 0x00007ffff572ce80 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#11 0x00007ffff572f673 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#12 0x00007ffff577c0f3 in ?? () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#13 0x00007fffee1551a7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fffee155400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007fffee1554ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007ffff577c4e7 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#17 0x00007ffff572aefa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#18 0x00007ffff5732d9d in QCoreApplication::exec() () from
/home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5
#19 0x0000000000404dc4 in main (argc=1, argv=<optimized out>) at
/home/krita/kde/src/krita/krita/main.cc:258
(gdb)
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