[PATCH v2] user32/menu: Inside HiliteMenuItem free menu earlier to avoid crash

[Fabian Maurer]

MENU_SelectItem sends a message,
and we must not hold the lock when that happens

Fixes bug 45457.

v2: Don't access menu after releasing it

Signed-off-by: Fabian Maurer <dark.shadow4 at web.de>
---
 dlls/user32/menu.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/dlls/user32/menu.c b/dlls/user32/menu.c
index bae45002b7..3b1e3f25f4 100644
--- a/dlls/user32/menu.c
+++ b/dlls/user32/menu.c
@@ -3859,17 +3859,23 @@ BOOL WINAPI HiliteMenuItem( HWND hWnd, HMENU hMenu, UINT wItemID,
 {
     POPUPMENU *menu;
     UINT pos;
+    HMENU handle_menu;
+    UINT focused_item;
 
     TRACE("(%p, %p, %04x, %04x);\n", hWnd, hMenu, wItemID, wHilite);
 
     if (!(menu = find_menu_item(hMenu, wItemID, wHilite, &pos))) return FALSE;
 
-    if (menu->FocusedItem != pos)
+    handle_menu = menu->obj.handle;
+    focused_item = menu->FocusedItem;
+    release_menu_ptr(menu);
+
+    if (focused_item != pos)
     {
-        MENU_HideSubPopups( hWnd, menu->obj.handle, FALSE, 0 );
-        MENU_SelectItem( hWnd, menu->obj.handle, pos, TRUE, 0 );
+        MENU_HideSubPopups( hWnd, handle_menu, FALSE, 0 );
+        MENU_SelectItem( hWnd, handle_menu, pos, TRUE, 0 );
     }
-    release_menu_ptr(menu);
+
     return TRUE;
 }
 
-- 
2.18.0