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fix(wayland): reject garbage pointer deltas from libei

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Nick Bolton 2026-09-02 14:09:07 +01:00 committed by Chris Rizzitello
parent 8c426b7885
commit 4b7491472d
1 changed files with 5 additions and 1 deletions
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6
src/lib/platform/EiScreen.cpp
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@ -852,9 +852,13 @@ void EiScreen::onMotionEvent(ei_event *event)
auto dx = ei_event_pointer_get_dx(event); auto dx = ei_event_pointer_get_dx(event);
auto dy = ei_event_pointer_get_dy(event); auto dy = ei_event_pointer_get_dy(event);
if (!std::isfinite(dx) || !std::isfinite(dy)) {
LOG_WARN("dropping pointer motion with non-finite delta: %g,%g", dx, dy);
return;
}
if (m_isOnScreen) { if (m_isOnScreen) {
LOG_DEBUG("event: motion on primary x=%i y=%i)", m_cursorX, m_cursorY); LOG_DEBUG("event: motion on primary x=%i y=%i", m_cursorX, m_cursorY);
sendEvent(EventTypes::PrimaryScreenMotionOnPrimary, MotionInfo::alloc(m_cursorX, m_cursorY)); sendEvent(EventTypes::PrimaryScreenMotionOnPrimary, MotionInfo::alloc(m_cursorX, m_cursorY));
if (m_portalInputCapture->isActive()) { if (m_portalInputCapture->isActive()) {
m_portalInputCapture->release(); m_portalInputCapture->release();