[Pal/Linux-SGX] Fix unaligned access in protected files

Signed-off-by: Paweł Marczewski <pawel@invisiblethingslab.com>
gramineproject · Aug 30, 2021 · c18469c · c18469c
1 parent 44393dc
commit c18469c
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/Pal/src/host/Linux-SGX/protected-files/protected_files.c b/Pal/src/host/Linux-SGX/protected-files/protected_files.c
@@ -1006,11 +1006,14 @@ static file_node_t* ipf_append_data_node(pf_context_t* pf) {
         return NULL;
     }
 
+    uint64_t node_number, physical_node_number;
+    get_node_numbers(pf->offset, NULL, &node_number, NULL, &physical_node_number);
+
     new_file_data_node->type = FILE_DATA_NODE_TYPE;
     new_file_data_node->new_node = true;
     new_file_data_node->parent = file_mht_node;
-    get_node_numbers(pf->offset, NULL, &new_file_data_node->node_number, NULL,
-                     &new_file_data_node->physical_node_number);
+    new_file_data_node->node_number = node_number;
+    new_file_data_node->physical_node_number = physical_node_number;
 
     if (!lruc_add(pf->cache, new_file_data_node->physical_node_number, new_file_data_node)) {
         free(new_file_data_node);