Rémi Bernon : ntdll: Set ARENA_FLAG_FREE flag in HEAP_CreateFreeBlock.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 523da9157f7d202da43fed36424651b1ca37e734
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=523da9157f7d202da43fed364...

Author: Rémi Bernon 
Date:   Mon May  2 14:20:56 2022 +0200

ntdll: Set ARENA_FLAG_FREE flag in HEAP_CreateFreeBlock.

Signed-off-by: Rémi Bernon 
Signed-off-by: Alexandre Julliard

---

dlls/ntdll/heap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dlls/ntdll/heap.c b/dlls/ntdll/heap.c
index 8706b0f7774..89c32fe4fa9 100644
--- a/dlls/ntdll/heap.c
+++ b/dlls/ntdll/heap.c
@@ -600,7 +600,6 @@ static inline void HEAP_InsertFreeBlock( HEAP *heap, ARENA_FREE *pArena, BOOL la
         /* insert at head of free list */
         list_add_after( &pEntry->arena.entry, &pArena->entry );
     }
-    pArena->size |= ARENA_FLAG_FREE;
 }

@@ -726,7 +725,7 @@ static void HEAP_CreateFreeBlock( SUBHEAP *subheap, void *ptr, SIZE_T size )

/* Last, insert the new block into the free list */

-    pFree->size = size - sizeof(*pFree);
+    pFree->size = (size - sizeof(*pFree)) | ARENA_FLAG_FREE;
     HEAP_InsertFreeBlock( subheap->heap, pFree, last );
 }