From af05e558988ed004a20fc4de7d0f80cfbba663f0 Mon Sep 17 00:00:00 2001 From: "Borislav Petkov (AMD)" Date: Mon, 12 Jan 2026 12:37:49 +0100 Subject: [PATCH] x86/sev: Use kfree_sensitive() when freeing a SNP message descriptor Use the proper helper instead of an open-coded variant. Closes: https://lore.kernel.org/r/202512202235.WHPQkLZu-lkp@intel.com Reported-by: kernel test robot Reported-by: Julia Lawall Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Tom Lendacky Link: https://patch.msgid.link/20260112114147.GBaWTd-8HSy_Xp4S3X@fat_crate.local --- arch/x86/coco/sev/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/coco/sev/core.c b/arch/x86/coco/sev/core.c index a059e004f61bc..1b86f48c7e84a 100644 --- a/arch/x86/coco/sev/core.c +++ b/arch/x86/coco/sev/core.c @@ -1632,8 +1632,7 @@ void snp_msg_free(struct snp_msg_desc *mdesc) free_shared_pages(mdesc->request, sizeof(struct snp_guest_msg)); iounmap((__force void __iomem *)mdesc->secrets); - memset(mdesc, 0, sizeof(*mdesc)); - kfree(mdesc); + kfree_sensitive(mdesc); } EXPORT_SYMBOL_GPL(snp_msg_free); -- 2.47.3