File 0003-fix_null_deref.patch of Package plymouth

Overview Repositories Revisions Requests Users Attributes Meta

File 0003-fix_null_deref.patch of Package plymouth (Revision 0c7832be80b41c9dd55b28236cbc8f4b)

Currently displaying revision 0c7832be80b41c9dd55b28236cbc8f4b , Show latest

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-0.9.2/src/libply-splash-graphics/ply-label.c
===================================================================

diff -Nura plymouth-0.9.5+git20200921+20778f2/src/libply-splash-graphics/ply-label.c plymouth-0.9.5+git20200921+20778f2_new/src/libply-splash-graphics/ply-label.c
--- plymouth-0.9.5+git20200921+20778f2/src/libply-splash-graphics/ply-label.c	2020-10-05 23:11:23.011964608 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/libply-splash-graphics/ply-label.c	2020-10-05 23:17:39.139340680 +0800
@@ -130,6 +130,15 @@
 
         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);

Places

File 0003-fix_null_deref.patch of Package plymouth (Revision 0c7832be80b41c9dd55b28236cbc8f4b)

Places