From b68664ab8954fd6aecbc579fc7444aa6e07f5581 Mon Sep 17 00:00:00 2001 From: Andrew Cooper Date: Tue, 22 Mar 2022 13:07:24 +0100 Subject: [PATCH] x86/hvm: Annotate hvm_physdev_op() with cf_check This was missed previously, and would yield a fatal #CP for any HVM domain which issues a physdevop hypercall. Fixes: cdbe2b0a1aec ("x86: Enable CET Indirect Branch Tracking") Reported-by: Juergen Gross Signed-off-by: Andrew Cooper Reviewed-by: Jan Beulich --- xen/arch/x86/hvm/hypercall.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/x86/hvm/hypercall.c b/xen/arch/x86/hvm/hypercall.c index 030243810e..62b5349e7d 100644 --- a/xen/arch/x86/hvm/hypercall.c +++ b/xen/arch/x86/hvm/hypercall.c @@ -78,7 +78,7 @@ static long cf_check hvm_grant_table_op( } #endif -static long hvm_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg) +static long cf_check hvm_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg) { const struct vcpu *curr = current; const struct domain *currd = curr->domain; -- 2.30.2