Sebastian Lackner : ntdll: Ignore higher bits in selector for ThreadDescriptorTableEntry info query.
Alexandre Julliard
julliard at wine.codeweavers.com
Fri Sep 25 15:22:02 CDT 2015
Module: wine
Branch: master
Commit: 6d9cf4910329c01032662ca6ce87a3138ba3e0eb
URL: http://source.winehq.org/git/wine.git/?a=commit;h=6d9cf4910329c01032662ca6ce87a3138ba3e0eb
Author: Sebastian Lackner <sebastian at fds-team.de>
Date: Wed Sep 23 20:19:52 2015 +0200
ntdll: Ignore higher bits in selector for ThreadDescriptorTableEntry info query.
Fixes a random test failure in kernel32/thread tests caused by the
uninitialized HIWORD.
Signed-off-by: Sebastian Lackner <sebastian at fds-team.de>
---
dlls/ntdll/thread.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/dlls/ntdll/thread.c b/dlls/ntdll/thread.c
index 0a8a7b9..b8109e1 100644
--- a/dlls/ntdll/thread.c
+++ b/dlls/ntdll/thread.c
@@ -1014,7 +1014,7 @@ NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
status = STATUS_INFO_LENGTH_MISMATCH;
else if (!(tdi->Selector & 4)) /* GDT selector */
{
- unsigned sel = tdi->Selector & ~3; /* ignore RPL */
+ unsigned sel = LOWORD(tdi->Selector) & ~3; /* ignore RPL */
status = STATUS_SUCCESS;
if (!sel) /* null selector */
memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
@@ -1045,7 +1045,7 @@ NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
SERVER_START_REQ( get_selector_entry )
{
req->handle = wine_server_obj_handle( handle );
- req->entry = tdi->Selector >> 3;
+ req->entry = LOWORD(tdi->Selector) >> 3;
status = wine_server_call( req );
if (!status)
{
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