Rémi Bernon : kernelbase: Workaround Local(Alloc|Free) invalid access warnings.
Alexandre Julliard
julliard at winehq.org
Mon May 23 15:51:52 CDT 2022
Module: wine
Branch: master
Commit: 1e110562565bca8fc1c5d351b96f3cd9a148d030
URL: https://source.winehq.org/git/wine.git/?a=commit;h=1e110562565bca8fc1c5d351b96f3cd9a148d030
Author: Rémi Bernon <rbernon at codeweavers.com>
Date: Fri May 20 22:54:03 2022 +0200
kernelbase: Workaround Local(Alloc|Free) invalid access warnings.
Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---
dlls/kernelbase/memory.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/dlls/kernelbase/memory.c b/dlls/kernelbase/memory.c
index 416d7b52a16..b89ab04a38f 100644
--- a/dlls/kernelbase/memory.c
+++ b/dlls/kernelbase/memory.c
@@ -712,7 +712,7 @@ static struct kernelbase_global_data global_data = {0};
static inline struct mem_entry *unsafe_mem_from_HLOCAL( HLOCAL handle )
{
- struct mem_entry *mem = CONTAINING_RECORD( handle, struct mem_entry, ptr );
+ struct mem_entry *mem = CONTAINING_RECORD( *(volatile HANDLE *)&handle, struct mem_entry, ptr );
struct kernelbase_global_data *data = &global_data;
if (((UINT_PTR)handle & ((sizeof(void *) << 1) - 1)) != sizeof(void *)) return NULL;
if (mem < data->mem_entries || mem >= data->mem_entries_end) return NULL;
@@ -831,7 +831,7 @@ HLOCAL WINAPI DECLSPEC_HOTPATCH LocalAlloc( UINT flags, SIZE_T size )
return handle;
failed:
- if (mem) LocalFree( handle );
+ if (mem) LocalFree( *(volatile HANDLE *)&handle );
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return 0;
}
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