diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 319ed873a111..257fba652aa5 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -589,6 +589,9 @@ int kvm_pv_send_ipi(struct kvm *kvm, unsigned long ipi_bitmap_low, if (min > map->max_apic_id) goto out; + + min = array_index_nospec(min, map->max_apic_id + 1); + /* Bits above cluster_size are masked in the caller. */ for_each_set_bit(i, &ipi_bitmap_low, min((u32)BITS_PER_LONG, (map->max_apic_id - min + 1))) { diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 07154cae7a15..b50d0da06b59 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7506,8 +7506,11 @@ static void kvm_sched_yield(struct kvm *kvm, unsigned long dest_id) rcu_read_lock(); map = rcu_dereference(kvm->arch.apic_map); - if (likely(map) && dest_id <= map->max_apic_id && map->phys_map[dest_id]) - target = map->phys_map[dest_id]->vcpu; + if (likely(map) && dest_id <= map->max_apic_id) { + dest_id = array_index_nospec(dest_id, map->max_apic_id + 1); + if (map->phys_map[dest_id]) + target = map->phys_map[dest_id]->vcpu; + } rcu_read_unlock();