| From: Andrew Cooper <andrew.cooper3@citrix.com> |
| Subject: x86/msr: Free msr_vcpu_policy during vcpu destruction |
| |
| c/s 4187f79dc7 "x86/msr: introduce struct msr_vcpu_policy" introduced a |
| per-vcpu memory allocation, but failed to free it in the clean vcpu |
| destruction case. |
| |
| This is XSA-253 |
| |
| Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> |
| Reviewed-by: Jan Beulich <jbeulich@suse.com> |
| |
| diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c |
| index b17468c..0ae715d 100644 |
| --- a/xen/arch/x86/domain.c |
| +++ b/xen/arch/x86/domain.c |
| @@ -382,6 +382,9 @@ void vcpu_destroy(struct vcpu *v) |
| |
| vcpu_destroy_fpu(v); |
| |
| + xfree(v->arch.msr); |
| + v->arch.msr = NULL; |
| + |
| if ( !is_idle_domain(v->domain) ) |
| vpmu_destroy(v); |
| |