[gimp] plug-ins: handle memory allocation failure in JXL import

[Daniel Novomeský <dnovomesky src gnome org>]

commit 422d5fec8fa4f944a922523508f7ac8b465cd059
Author: Daniel Novomesky <dnovomesky gmail com>
Date:   Thu Oct 21 12:25:21 2021 +0200

    plug-ins: handle memory allocation failure in JXL import

 plug-ins/common/file-jpegxl.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)
---
diff --git a/plug-ins/common/file-jpegxl.c b/plug-ins/common/file-jpegxl.c
index 16300607c3..91711b5e86 100644
--- a/plug-ins/common/file-jpegxl.c
+++ b/plug-ins/common/file-jpegxl.c
@@ -497,7 +497,20 @@ load_image (GFile        *file,
       return NULL;
     }
 
-  picture_buffer = g_malloc (result_size);
+  picture_buffer = g_try_malloc (result_size);
+  if (!picture_buffer)
+    {
+      g_set_error (error, G_FILE_ERROR, 0, "Memory could not be allocated.");
+      if (profile)
+        {
+          g_object_unref (profile);
+        }
+      JxlThreadParallelRunnerDestroy (runner);
+      JxlDecoderDestroy (decoder);
+      g_free (memory);
+      return NULL;
+    }
+
   if (JxlDecoderSetImageOutBuffer (decoder, &pixel_format, picture_buffer, result_size) != JXL_DEC_SUCCESS)
     {
       g_set_error (error, G_FILE_ERROR, 0,