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-rw-r--r--nx-X11/lib/X11/XKBExtDev.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/XKBExtDev.c b/nx-X11/lib/X11/XKBExtDev.c
index de5570337..47b94a3aa 100644
--- a/nx-X11/lib/X11/XKBExtDev.c
+++ b/nx-X11/lib/X11/XKBExtDev.c
@@ -181,6 +181,9 @@ int tmp;
return tmp;
}
if (rep->nBtnsWanted>0) {
+ if (((unsigned short) rep->firstBtnWanted + rep->nBtnsWanted)
+ >= devi->num_btns)
+ goto BAILOUT;
act= &devi->btn_acts[rep->firstBtnWanted];
bzero((char *)act,(rep->nBtnsWanted*sizeof(XkbAction)));
}
@@ -190,6 +193,9 @@ int tmp;
goto BAILOUT;
if (rep->nBtnsRtrn>0) {
int size;
+ if (((unsigned short) rep->firstBtnRtrn + rep->nBtnsRtrn)
+ >= devi->num_btns)
+ goto BAILOUT;
act= &devi->btn_acts[rep->firstBtnRtrn];
size= rep->nBtnsRtrn*SIZEOF(xkbActionWireDesc);
if (!_XkbCopyFromReadBuffer(&buf,(char *)act,size))