From: Matthias Clasen <mclasen@redhat.com>
Date: Wed, 10 Aug 2022 17:25:17 +0000 (-0400)
Subject: jpeg loader: Limit memory consumption
X-Git-Tag: archive/raspbian/4.8.3+ds-2+rpi1~3^2~20^2~4^2~2^2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=59f6c50df8d4d9;p=gtk4.git

jpeg loader: Limit memory consumption

This will prevent stupid oom situations with pathological
jpeg files, without affecting our ability to load reasonable
images.
---

diff --git a/gdk/loaders/gdkjpeg.c b/gdk/loaders/gdkjpeg.c
index 8f7e422f0c..a2467cc286 100644
--- a/gdk/loaders/gdkjpeg.c
+++ b/gdk/loaders/gdkjpeg.c
@@ -161,6 +161,8 @@ gdk_load_jpeg (GBytes  *input_bytes,
 
   jpeg_create_decompress (&info);
 
+  info.mem->max_memory_to_use = 100 * 1024 * 1024;
+
   jpeg_mem_src (&info,
                 g_bytes_get_data (input_bytes, NULL),
                 g_bytes_get_size (input_bytes));
@@ -272,6 +274,7 @@ gdk_save_jpeg (GdkTexture *texture)
 
   info.err = jpeg_std_error (&err);
   jpeg_create_compress (&info);
+
   info.image_width = width;
   info.image_height = height;
   info.input_components = 3;
@@ -280,6 +283,8 @@ gdk_save_jpeg (GdkTexture *texture)
   jpeg_set_defaults (&info);
   jpeg_set_quality (&info, 75, TRUE);
 
+  info.mem->max_memory_to_use = 100 * 1024 * 1024;
+
   jpeg_mem_dest (&info, &data, &size);
 
   memtex = gdk_memory_texture_from_texture (texture,