ubuntu-webapps-bugs team mailing list archive

[Olivier Tilloy <olivier.tilloy@xxxxxxxxxxxxx>]

Public bug reported:

This happens with a recent version of oxide built from lp:oxide. When
tested on a device to input text in a text field, the client process
crashes with the following backtrace:

#0  0xb6dda5c6 in QEvent::QEvent(QEvent const&) ()
   from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#1  0xae4241ba in content::NativeWebKeyboardEvent::NativeWebKeyboardEvent(content::NativeWebKeyboardEvent const&) ()
   from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
#2  0xafaca89e in content::InputRouterImpl::SendKeyboardEvent(content::NativeWebKeyboardEvent const&, ui::LatencyInfo const&, bool) ()
   from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
#3  0xafb17c58 in content::RenderWidgetHostImpl::ForwardKeyboardEvent(content::NativeWebKeyboardEvent const&) ()
   from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
#4  0xae425d4c in oxide::qt::sendFakeCompositionKeyEvent(content::RenderWidgetHostImpl*, blink::WebInputEvent::Type) ()
   from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
#5  0xae427678 in oxide::qt::RenderWidgetHostView::HandleInputMethodEvent(QInputMethodEvent*) () from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
#6  0xb661dfde in QQuickItem::event(QEvent*) ()
   from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
#7  0xb616d8a0 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
   from /usr/lib/arm-linux-gnueabihf/libQt5Widgets.so.5
#8  0xb617136e in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/arm-linux-gnueabihf/libQt5Widgets.so.5

The crash is happening in gfx::NativeEvent CopyEvent(gfx::NativeEvent event).
Because os_event is 0, we dereference a null pointer in the copy constructor for NativeWebKeyboardEvent.

** Affects: oxide
     Importance: Critical
     Assignee: Chris Coulson (chrisccoulson)
         Status: New

** Changed in: oxide
     Assignee: (unassigned) => Chris Coulson (chrisccoulson)

** Changed in: oxide
   Importance: Undecided => High

** Changed in: oxide
   Importance: High => Critical

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https://bugs.launchpad.net/bugs/1327241

Title:
  Crash on devices when inputing characters with the OSK

Status in Oxide Webview:
  New

Bug description:
  This happens with a recent version of oxide built from lp:oxide. When
  tested on a device to input text in a text field, the client process
  crashes with the following backtrace:

  #0  0xb6dda5c6 in QEvent::QEvent(QEvent const&) ()
     from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
  #1  0xae4241ba in content::NativeWebKeyboardEvent::NativeWebKeyboardEvent(content::NativeWebKeyboardEvent const&) ()
     from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
  #2  0xafaca89e in content::InputRouterImpl::SendKeyboardEvent(content::NativeWebKeyboardEvent const&, ui::LatencyInfo const&, bool) ()
     from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
  #3  0xafb17c58 in content::RenderWidgetHostImpl::ForwardKeyboardEvent(content::NativeWebKeyboardEvent const&) ()
     from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
  #4  0xae425d4c in oxide::qt::sendFakeCompositionKeyEvent(content::RenderWidgetHostImpl*, blink::WebInputEvent::Type) ()
     from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
  #5  0xae427678 in oxide::qt::RenderWidgetHostView::HandleInputMethodEvent(QInputMethodEvent*) () from /usr/lib/arm-linux-gnueabihf/libOxideQtCore.so.0
  #6  0xb661dfde in QQuickItem::event(QEvent*) ()
     from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
  #7  0xb616d8a0 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
     from /usr/lib/arm-linux-gnueabihf/libQt5Widgets.so.5
  #8  0xb617136e in QApplication::notify(QObject*, QEvent*) ()
     from /usr/lib/arm-linux-gnueabihf/libQt5Widgets.so.5

  The crash is happening in gfx::NativeEvent CopyEvent(gfx::NativeEvent event).
  Because os_event is 0, we dereference a null pointer in the copy constructor for NativeWebKeyboardEvent.

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