File vte-emulation-resize-request-limits.patch of Package vte.34434

From fd5511f24b7269195a7083f409244e9787c705dc Mon Sep 17 00:00:00 2001
From: Christian Persch <chpe@src.gnome.org>
Date: Sun, 2 Jun 2024 19:13:15 +0200
Subject: [PATCH] emulation: Restrict resize request to sane numbers

Fixes: https://gitlab.gnome.org/GNOME/vte/-/issues/2786
---
 src/vteseq.cc | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff -urp vte-0.44.2.orig/src/vtedefines.hh vte-0.44.2/src/vtedefines.hh
--- vte-0.44.2.orig/src/vtedefines.hh	2016-05-10 10:17:33.000000000 -0500
+++ vte-0.44.2/src/vtedefines.hh	2024-06-12 03:27:13.273424524 -0500
@@ -93,3 +93,6 @@
 
 #define VTE_FONT_SCALE_MIN (.25)
 #define VTE_FONT_SCALE_MAX (4.)
+
+#define VTE_MIN_GRID_WIDTH (2) /* space for one wide character */
+#define VTE_MIN_GRID_HEIGHT (1)
diff -urp vte-0.44.2.orig/src/vteseq.cc vte-0.44.2/src/vteseq.cc
--- vte-0.44.2.orig/src/vteseq.cc	2016-05-10 10:17:33.000000000 -0500
+++ vte-0.44.2/src/vteseq.cc	2024-06-12 03:30:30.083031124 -0500
@@ -198,7 +198,16 @@ void
 VteTerminalPrivate::emit_resize_window(guint columns,
                                        guint rows)
 {
-        _vte_debug_print(VTE_DEBUG_SIGNALS, "Emitting `resize-window'.\n");
+        // Ignore resizes with excessive number of rows or columns,
+        // see https://gitlab.gnome.org/GNOME/vte/-/issues/2786
+        if (columns < VTE_MIN_GRID_WIDTH ||
+            columns > 511 ||
+            rows < VTE_MIN_GRID_HEIGHT ||
+            rows > 511)
+                return;
+
+        _vte_debug_print(VTE_DEBUG_SIGNALS, "Emitting `resize-window' %d columns %d rows.\n",
+                         columns, rows);
         g_signal_emit(m_terminal, signals[SIGNAL_RESIZE_WINDOW], 0, columns, rows);
 }
 
@@ -3098,10 +3107,6 @@ VteTerminalPrivate::seq_window_manipulat
                 break;
         case 8:
                 if ((arg1 != -1) && (arg2 != -1)) {
-                        _vte_debug_print(VTE_DEBUG_PARSE,
-                                         "Resizing window "
-                                         "(to %ld columns, %ld rows).\n",
-                                         arg2, arg1);
                         emit_resize_window(arg2, arg1);
                 }
                 break;
@@ -3210,9 +3215,6 @@ VteTerminalPrivate::seq_window_manipulat
                 break;
         default:
                 if (param >= 24) {
-                        _vte_debug_print(VTE_DEBUG_PARSE,
-                                         "Resizing to %ld rows.\n",
-                                         param);
                         /* Resize to the specified number of
                          * rows. */
                         emit_resize_window(m_column_count,