xnu-2782.20.48.tar.gz

[apple/xnu.git] / osfmk / vm / vm_map.c

diff --git a/osfmk/vm/vm_map.c b/osfmk/vm/vm_map.c
index a22b763c17218f25395b275c9bdd1d3d7f1dcf6f..ca11e1bae872bddae4311b2d0dedf3719ecfb5c3 100644 (file)
--- a/osfmk/vm/vm_map.c
+++ b/osfmk/vm/vm_map.c
@@ -6199,6 +6199,7 @@ vm_map_copy_copy(
         */
 
        new_copy = (vm_map_copy_t) zalloc(vm_map_copy_zone);
+       new_copy->c_u.hdr.rb_head_store.rbh_root = (void*)(int)SKIP_RB_TREE;
        *new_copy = *copy;
 
        if (copy->type == VM_MAP_COPY_ENTRY_LIST) {
@@ -6847,6 +6848,7 @@ start_overwrite:
                                /* destroyed after successful copy_overwrite */
                                copy = (vm_map_copy_t) 
                                        zalloc(vm_map_copy_zone);
+                               copy->c_u.hdr.rb_head_store.rbh_root = (void*)(int)SKIP_RB_TREE;
                                vm_map_copy_first_entry(copy) =
                                        vm_map_copy_last_entry(copy) =
                                        vm_map_copy_to_entry(copy);
@@ -7150,6 +7152,7 @@ vm_map_copy_overwrite(
                 * Extract "head_copy" out of "copy".
                 */
                head_copy = (vm_map_copy_t) zalloc(vm_map_copy_zone);
+               head_copy->c_u.hdr.rb_head_store.rbh_root = (void*)(int)SKIP_RB_TREE;
                vm_map_copy_first_entry(head_copy) =
                        vm_map_copy_to_entry(head_copy);
                vm_map_copy_last_entry(head_copy) =
@@ -7191,6 +7194,7 @@ vm_map_copy_overwrite(
                 * Extract "tail_copy" out of "copy".
                 */
                tail_copy = (vm_map_copy_t) zalloc(vm_map_copy_zone);
+               tail_copy->c_u.hdr.rb_head_store.rbh_root = (void*)(int)SKIP_RB_TREE;
                vm_map_copy_first_entry(tail_copy) =
                        vm_map_copy_to_entry(tail_copy);
                vm_map_copy_last_entry(tail_copy) =
@@ -8657,6 +8661,7 @@ vm_map_copyin_common(
         */
 
        copy = (vm_map_copy_t) zalloc(vm_map_copy_zone);
+       copy->c_u.hdr.rb_head_store.rbh_root = (void*)(int)SKIP_RB_TREE;
        vm_map_copy_first_entry(copy) =
                vm_map_copy_last_entry(copy) = vm_map_copy_to_entry(copy);
        copy->type = VM_MAP_COPY_ENTRY_LIST;
@@ -9392,6 +9397,7 @@ vm_map_copy_extract(
         */
 
        copy = (vm_map_copy_t) zalloc(vm_map_copy_zone);
+       copy->c_u.hdr.rb_head_store.rbh_root = (void*)(int)SKIP_RB_TREE;
        vm_map_copy_first_entry(copy) =
                vm_map_copy_last_entry(copy) = vm_map_copy_to_entry(copy);
        copy->type = VM_MAP_COPY_ENTRY_LIST;
@@ -9443,6 +9449,7 @@ vm_map_copyin_object(
         */
 
        copy = (vm_map_copy_t) zalloc(vm_map_copy_zone);
+       copy->c_u.hdr.rb_head_store.rbh_root = (void*)(int)SKIP_RB_TREE;
        copy->type = VM_MAP_COPY_OBJECT;
        copy->cpy_object = object;
        copy->offset = offset;