Re: [PATCH 0/5] MR2352: uiautomationcore: Miscellaneous COM API patches.

[Esme Povirk (＠madewokherd)]

Esme Povirk (@madewokherd) commented about dlls/uiautomationcore/uia_com_client.c:
> +    *out_length = element_arr->elements_count;
> +
> +    return S_OK;
> +}
> +
> +static HRESULT WINAPI uia_element_array_GetElement(IUIAutomationElementArray *iface, int idx,
> +        IUIAutomationElement **out_elem)
> +{
> +    struct uia_element_array *element_arr = impl_from_IUIAutomationElementArray(iface);
> +
> +    TRACE("%p, %p\n", iface, out_elem);
> +
> +    if (!out_elem)
> +        return E_POINTER;
> +
> +    if (idx >= element_arr->elements_count)
> idx is signed so it should be checked for negative values too.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/2352#note_26655