520581 2026-05-23 22:01:01 +0000 Crash on Canvas Input -> Rotate Canvas -> Key Combination for Rotate Mode 2026-08-09 16:22:23 +0000 1 1 2 Applications krita Shortcuts and Canvas Input Settings git master (please specify the git hash!) Compiled Sources Linux RESOLVED FIXED NOR crash --- 1 tamtamy.tymona tamtamy.tymona inahomori https://invent.kde.org/graphics/krita/-/commit/e28a2a8dc2e9925f21d9a1a46a827b6663db0143 0 oldest_to_newest 2517984 0 tamtamy.tymona 2026-05-23 22:01:01 +0000 DESCRIPTION Krita crashes on null pointer when trying to get the posF() of the event that apparently doesn't exist. STEPS TO REPRODUCE 1. Go to Canvas Input Settings -> Rotate Canvas 2. Add Key Combination -> Ctrl + R 3. Use it on the canvas OBSERVED RESULT Crash (segfault on null pointer) EXPECTED RESULT No crash SOFTWARE/OS VERSIONS Qt Version: 5.15.7 ADDITIONAL INFORMATION Thread 1 "krita" received signal SIGSEGV, Segmentation fault. KisAbstractInputAction::eventPosF (this=0x555557d645c0, event=0x0) at /home/appimage/persistent/krita/libs/ui/input/kis_abstract_input_action.cpp:217 217 switch (event->type()) { (gdb) bt #0 KisAbstractInputAction::eventPosF (this=0x555557d645c0, event=0x0) at /home/appimage/persistent/krita/libs/ui/input/kis_abstract_input_action.cpp:217 #1 0x00007ffff7ab00a6 in KisRotateCanvasAction::begin (this=0x555557d645c0, shortcut=<optimized out>, event=0x0) at /home/appimage/persistent/krita/libs/ui/input/kis_rotate_canvas_action.cpp:103 #2 0x00007ffff7ac001c in KisShortcutMatcher::tryRunSingleActionShortcutImpl<Qt::Key, QEvent> (this=this@entry=0x555556bf1580, param=param@entry=Qt::Key_R, event=event@entry=0x0, keysState=..., keyboard=keyboard@entry=true) at /home/appimage/persistent/krita/libs/ui/input/kis_shortcut_matcher.cpp:834 #3 0x00007ffff7abe3a8 in KisShortcutMatcher::keyPressed (this=0x555556bf1580, key=key@entry=Qt::Key_R) at /home/appimage/persistent/krita/libs/ui/input/kis_shortcut_matcher.cpp:217 #4 0x00007ffff7a986cb in KisInputManager::eventFilterImpl (this=0x555557d5e998, event=<optimized out>) at /home/appimage/persistent/krita/libs/ui/input/kis_input_manager.cpp:451 #5 0x00007ffff54f1caa in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Core.so.5 #6 0x00007ffff61177d2 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Widgets.so.5 #7 0x00007ffff611f5a6 in QApplication::notify(QObject*, QEvent*) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Widgets.so.5 #8 0x00007ffff7b7cc95 in KisApplication::notify (this=0x7fffffffe730, receiver=0x555557c772b0, event=0x7fffffffdfb0) at /home/appimage/persistent/krita/libs/ui/KisApplication.cpp:920 #9 0x00007ffff54f1f4a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Core.so.5 #10 0x00007ffff6177abf in ?? () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Widgets.so.5 #11 0x00007ffff61177e3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Widgets.so.5 #12 0x00007ffff7b7cc95 in KisApplication::notify (this=0x7fffffffe730, receiver=0x555557df5010, event=0x7fffffffdfb0) at /home/appimage/persistent/krita/libs/ui/KisApplication.cpp:920 #13 0x00007ffff54f1f4a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Core.so.5 #14 0x00007ffff59239aa in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Gui.so.5 #15 0x00007ffff58fbd25 in bool QWindowSystemInterfacePrivate::handleWindowSystemEvent<QWindowSystemInterface::SynchronousDelivery>(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Gui.so.5 #16 0x00007ffff58fece6 in QWindowSystemInterface::handleShortcutEvent(QWindow*, unsigned long, int, QFlags<Qt::KeyboardModifier>, unsigned int, unsigned int, unsigned int, QString const&, bool, unsigned short) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Gui.so.5 #17 0x00007ffff59238cf in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Gui.so.5 #18 0x00007ffff58fb82c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Gui.so.5 #19 0x00007ffff00a53ee in ?? () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5XcbQpa.so.5 #20 0x00007ffff268d17d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #21 0x00007ffff268d400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #22 0x00007ffff268d4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #23 0x00007ffff554ba58 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Core.so.5 #24 0x00007ffff54f085b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Core.so.5 #25 0x00007ffff54f8e14 in QCoreApplication::exec() () from /home/appimage/appimage-workspace/deps/usr/lib/libQt5Core.so.5 #26 0x000055555555e6bd in main (argc=<optimized out>, argv=<optimized out>) at /home/appimage/persistent/krita/krita/main.cc:874 2517988 1 bug-janitor 2026-05-23 22:41:11 +0000 A possibly relevant merge request was started @ https://invent.kde.org/graphics/krita/-/merge_requests/2793 2523194 2 dimula73 2026-06-15 13:43:35 +0000 Git commit afff1cf7c09f8ed14ddeebd629030122d04cbf9e by Dmitry Kazakov, on behalf of Agata Cacko. Committed on 15/06/2026 at 13:42. Pushed by dkazakov into branch 'master'. Fix crash on null event pointer in Abstract Input Action The check in kis_abstract_input_action.cpp is for sure valid because it happens within KisShortcutMatcher::tryRunSingleActionShortcutImpl, and it has a warning that the event can be null. This commit also includes some more sanity checks that might be upgraded into KIS_SAFE_ASSERT if needed. M +4 -0 libs/ui/input/kis_abstract_input_action.cpp M +7 -0 libs/ui/input/kis_pan_action.cpp M +4 -0 libs/ui/input/kis_rotate_canvas_action.cpp M +3 -0 libs/ui/input/kis_zoom_action.cpp https://invent.kde.org/graphics/krita/-/commit/afff1cf7c09f8ed14ddeebd629030122d04cbf9e 2523196 3 dimula73 2026-06-15 13:44:40 +0000 Git commit e28a2a8dc2e9925f21d9a1a46a827b6663db0143 by Dmitry Kazakov, on behalf of Agata Cacko. Committed on 15/06/2026 at 13:44. Pushed by dkazakov into branch 'krita/6.0'. Fix crash on null event pointer in Abstract Input Action The check in kis_abstract_input_action.cpp is for sure valid because it happens within KisShortcutMatcher::tryRunSingleActionShortcutImpl, and it has a warning that the event can be null. This commit also includes some more sanity checks that might be upgraded into KIS_SAFE_ASSERT if needed. M +4 -0 libs/ui/input/kis_abstract_input_action.cpp M +7 -0 libs/ui/input/kis_pan_action.cpp M +4 -0 libs/ui/input/kis_rotate_canvas_action.cpp M +3 -0 libs/ui/input/kis_zoom_action.cpp https://invent.kde.org/graphics/krita/-/commit/e28a2a8dc2e9925f21d9a1a46a827b6663db0143 2537644 4 penguinflyer2222 2026-08-09 16:22:23 +0000 *** Bug 523344 has been marked as a duplicate of this bug. ***