Re: [PATCH 3/3] xenbus/cache: spill slabs on CacheFill failure to prevent pool leak

[Tu Dinh <ngoc-tu.dinh@xxxxxxxxxx>]

On 10/09/2026 18:13, david ambu wrote:
> Call CacheSpill on the fail path in CacheFill to release any slabs
> already allocated before the failure, preventing a NonPagedPool leak.
> 
> Assisted-by: ClaudeCode:claude-sonnet-4-6
> Signed-off-by: david ambu <david.preetham@xxxxxxxxxx>
> ---
>   src/xenbus/cache.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/src/xenbus/cache.c b/src/xenbus/cache.c
> index 90aea08..363bd29 100644
> --- a/src/xenbus/cache.c
> +++ b/src/xenbus/cache.c
> @@ -906,6 +906,8 @@ fail5:
>   fail4:
>       Error("fail4\n");
>   
> +    CacheSpill(*Cache, 0);
> +

The CacheSpill in fail5 might need to be deleted to avoid a duplicate 
CacheSpill?

>   fail3:
>       Error("fail3\n");
>   



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Ngoc Tu Dinh | Vates XCP-ng Developer

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