[PATCH v2 2/5] shell32: Prevent user after free in error case (Coverity)

Fabian Maurer dark.shadow4 at web.de
Tue Apr 26 14:03:19 CDT 2022


Otherwise when hr is not SUCCEEDED we use array and free it again.

Signed-off-by: Fabian Maurer <dark.shadow4 at web.de>
---
 dlls/shell32/shellitem.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/dlls/shell32/shellitem.c b/dlls/shell32/shellitem.c
index 0a3a76cbd6a..8e66c6ab31a 100644
--- a/dlls/shell32/shellitem.c
+++ b/dlls/shell32/shellitem.c
@@ -1402,15 +1402,15 @@ HRESULT WINAPI SHCreateShellItemArrayFromIDLists(UINT cidl,
     if(SUCCEEDED(ret))
     {
         ret = create_shellitemarray(array, cidl, psia);
-        heap_free(array);
-        if(SUCCEEDED(ret))
-            return ret;
     }

-    for(i = 0; i < cidl; i++)
-        if(array[i]) IShellItem_Release(array[i]);
+    if(FAILED(ret))
+    {
+        for(i = 0; i < cidl; i++)
+            if(array[i]) IShellItem_Release(array[i]);
+        *psia = NULL;
+    }
     heap_free(array);
-    *psia = NULL;
     return ret;
 }

--
2.36.0




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