Re: [PATCH v15 01/13] x86/sev: Carve out and export SNP guest messaging init routines

Francesco Lavra
2025-01-04T19:06:18Z

On 2024-12-03 at 9:00, Nikunj A Dadhania wrote:

> diff --git a/arch/x86/coco/sev/core.c b/arch/x86/coco/sev/core.c
> index c5b0148b8c0a..3cc741eefd06 100644
> --- a/arch/x86/coco/sev/core.c
> +++ b/arch/x86/coco/sev/core.c
...
> +void snp_msg_free(struct snp_msg_desc *mdesc)
> +{
> + if (!mdesc)
> + return;
> +
> + mdesc->vmpck = NULL;
> + mdesc->os_area_msg_seqno = NULL;
> + kfree(mdesc->ctx);
> +
> + free_shared_pages(mdesc->response, sizeof(struct
> snp_guest_msg));
> + free_shared_pages(mdesc->request, sizeof(struct
> snp_guest_msg));
> + iounmap((__force void __iomem *)mdesc->secrets);
> + kfree(mdesc);

This is leaking mdesc->certs_data.