File 0003-fix_null_deref.patch of Package plymouth.11738

From 99ee02fe20ae53323fe5756416e6a7d96a3baf8a Mon Sep 17 00:00:00 2001
From: Fabian Vogt <fvogt@suse.com>
Date: Thu, 21 Jan 2016 10:39:21 +0100
Subject: [PATCH 1/3] ply-label: Don't crash if label plugin fails

The label plugin's create_control function can return NULL if allocation
failed, for example, but ply-label.c ignores that and uses the NULL control,
causing various SEGVs.

Signed-off-by: Fabian Vogt <fvogt@suse.com>
---
 src/libply-splash-graphics/ply-label.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Index: plymouth-0.9.3+git20180807.7663b0c/src/libply-splash-graphics/ply-label.c
===================================================================
--- plymouth-0.9.3+git20180807.7663b0c.orig/src/libply-splash-graphics/ply-label.c	2018-08-17 19:58:59.703026810 +0200
+++ plymouth-0.9.3+git20180807.7663b0c/src/libply-splash-graphics/ply-label.c	2018-08-17 19:59:33.203397962 +0200
@@ -130,6 +130,15 @@ ply_label_load_plugin (ply_label_t *labe
 
         label->control = label->plugin_interface->create_control ();
 
+        if (label->control == NULL) {
+                ply_save_errno ();
+                label->plugin_interface = NULL;
+                ply_close_module (label->module_handle);
+                label->module_handle = NULL;
+                ply_restore_errno ();
+                return false;
+        }
+
         if (label->text != NULL)
                 label->plugin_interface->set_text_for_control (label->control,
                                                                label->text);