[haiku-commits] r34556 - haiku/trunk/src/system/kernel/vm
- From: axeld@xxxxxxxxxxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Tue, 8 Dec 2009 16:28:44 +0100 (CET)
Author: axeld
Date: 2009-12-08 16:28:44 +0100 (Tue, 08 Dec 2009)
New Revision: 34556
Changeset: http://dev.haiku-os.org/changeset/34556/haiku
Modified:
haiku/trunk/src/system/kernel/vm/vm.cpp
Log:
* Enforce that the caller of transfer_area() owns the area - this fixes some
mean crashes with the media_server version I just checked in.
Modified: haiku/trunk/src/system/kernel/vm/vm.cpp
===================================================================
--- haiku/trunk/src/system/kernel/vm/vm.cpp 2009-12-08 14:55:14 UTC (rev
34555)
+++ haiku/trunk/src/system/kernel/vm/vm.cpp 2009-12-08 15:28:44 UTC (rev
34556)
@@ -4731,7 +4731,7 @@
/*! Transfers the specified area to a new team. The caller must be the owner
- of the area (not yet enforced but probably should be).
+ of the area.
*/
area_id
transfer_area(area_id id, void** _address, uint32 addressSpec, team_id target,
@@ -4742,6 +4742,9 @@
if (status != B_OK)
return status;
+ if (info.team != thread_get_current_thread()->team->id)
+ return B_PERMISSION_DENIED;
+
area_id clonedArea = vm_clone_area(target, info.name, _address,
addressSpec, info.protection, REGION_NO_PRIVATE_MAP, id,
kernel);
if (clonedArea < 0)
Other related posts:
- » [haiku-commits] r34556 - haiku/trunk/src/system/kernel/vm - axeld
