Subject: [PATCH] Fix an invalid pointer crash with glib 2.83.2
From: https://github.com/mate-desktop/mate-sensors-applet/commit/9b74dc16d852a40d37f7ce6c236406959fd013e5
Date: Mon, 13 Jan 2025 22:39:13 -0500

The typecast to non-const gchar produced invalid pointer errors on free() with glib 2.83.2
--- a/plugins/udisks2/udisks2-plugin.c
+++ b/plugins/udisks2/udisks2-plugin.c
@@ -304,16 +304,15 @@ syslog(LOG_ERR, "propdict2 type: %s", g_variant_print(propdict2, TRUE));
 #endif
 
             /* get data */
-            gchar *id = NULL;
-            gchar *model = NULL;
+            const gchar *id = NULL;
+            const gchar *model = NULL;
 
             gboolean smartenabled;
             gdouble temp;
 
-            /* NULL, bc we don't care about the length of the string
-             * typecast bc g_variant_get_string() returns const char* */
-            id = (gchar *) g_variant_get_string (g_variant_lookup_value (propdict, "Id", G_VARIANT_TYPE_STRING), NULL);
-            model = (gchar *) g_variant_get_string (g_variant_lookup_value (propdict, "Model", G_VARIANT_TYPE_STRING), NULL);
+            /* NULL, bc we don't care about the length of the string*/
+            id = g_variant_get_string (g_variant_lookup_value (propdict, "Id", G_VARIANT_TYPE_STRING), NULL);
+            model = g_variant_get_string (g_variant_lookup_value (propdict, "Model", G_VARIANT_TYPE_STRING), NULL);
 
             smartenabled = g_variant_get_boolean (g_variant_lookup_value (propdict2, "SmartEnabled", G_VARIANT_TYPE_BOOLEAN));
             temp = g_variant_get_double (g_variant_lookup_value (propdict2, "SmartTemperature", G_VARIANT_TYPE_DOUBLE));
@@ -366,14 +365,6 @@ syslog(LOG_ERR, "No temp data for device: %s\n", key);
 
                 g_debug ("No temp data for device: %s\n", key);
             }
-
-#ifdef UD2PD
-syslog(LOG_ERR, "b4 free1");
-#endif
-
-            g_free (id);
-            g_free (model);
-
         }
 
 #ifdef UD2PD