File U_xkb-Fix-buffer-overflow-in-_XkbSetCompatMap.patch of Package xwayland.39024

@@ -, +, @@ 
---
 xkb/xkb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
Index: xwayland-24.1.1/xkb/xkb.c
===================================================================
--- xwayland-24.1.1.orig/xkb/xkb.c
+++ xwayland-24.1.1/xkb/xkb.c
@@ -2990,13 +2990,13 @@ _XkbSetCompatMap(ClientPtr client, Devic
         XkbSymInterpretPtr sym;
         unsigned int skipped = 0;
 
-        if ((unsigned) (req->firstSI + req->nSI) > compat->num_si) {
-            compat->num_si = req->firstSI + req->nSI;
+        if ((unsigned) (req->firstSI + req->nSI) > compat->size_si) {
+            compat->num_si = compat->size_si = req->firstSI + req->nSI;
             compat->sym_interpret = reallocarray(compat->sym_interpret,
-                                                 compat->num_si,
+                                                 compat->size_si,
                                                  sizeof(XkbSymInterpretRec));
             if (!compat->sym_interpret) {
-                compat->num_si = 0;
+                compat->num_si = compat->size_si = 0;
                 return BadAlloc;
             }
         }