File u_mesa-CVE-2023-45913.patch of Package Mesa.39642

 src/glx/dri2_glx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
Index: mesa-21.2.4/src/glx/dri2_glx.c
===================================================================
--- mesa-21.2.4.orig/src/glx/dri2_glx.c
+++ mesa-21.2.4/src/glx/dri2_glx.c
@@ -1371,7 +1371,7 @@ dri2GetGlxDrawableFromXDrawableId(Displa
    struct dri2_display *pdp = (struct dri2_display *) d->dri2Display;
    __GLXDRIdrawable *pdraw;
 
-   if (__glxHashLookup(pdp->dri2Hash, id, (void *) &pdraw) == 0)
+   if (pdp && __glxHashLookup(pdp->dri2Hash, id, (void *) &pdraw) == 0)
       return pdraw;
 
    return NULL;