[PATCH v2 2/5] shell32: Prevent user after free in error case (Coverity)
Fabian Maurer
dark.shadow4 at web.de
Tue Apr 26 14:04:16 CDT 2022
Hello Nikolay,
this is what you meant, correct?
Regards,
Fabian Maurer
On Dienstag, 26. April 2022 21:03:19 CEST you wrote:
> 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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