Check axis number in the received joystick messages.

Closes #15313.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74460 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/unix/joystick.cpp b/src/unix/joystick.cpp
index f9f2ba9d41dd2cafc77c695d0da5ed79d4816c7f..4bf9168ea0190697b6a70a9be608639cf518a7ba 100644 (file)
--- a/src/unix/joystick.cpp
+++ b/src/unix/joystick.cpp
@@ -136,6 +136,14 @@ void* wxJoystickThread::Entry()
 
             if ((j_evt.type & JS_EVENT_AXIS) && (j_evt.number < wxJS_MAX_AXES))
             {
 
             if ((j_evt.type & JS_EVENT_AXIS) && (j_evt.number < wxJS_MAX_AXES))
             {

+                // Ignore invalid axis.
+                if ( j_evt.number >= wxJS_MAX_AXES )
+                {
+                    wxLogDebug(wxS("Invalid axis index %d in joystick message."),
+                               j_evt.number);
+                    continue;
+                }
+

                 if (   (m_axe[j_evt.number] + m_threshold < j_evt.value)
                     || (m_axe[j_evt.number] - m_threshold > j_evt.value) )
             {
                 if (   (m_axe[j_evt.number] + m_threshold < j_evt.value)
                     || (m_axe[j_evt.number] - m_threshold > j_evt.value) )
             {