diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 541e17865e63..bd82054664fd 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -693,7 +693,10 @@ bool kvm_irq_delivery_to_apic_fast(struct kvm *kvm, struct kvm_lapic *src, ret = true; if (irq->dest_mode == 0) { /* physical mode */ - dst = &map->phys_map[irq->dest_id & 0xff]; + if (irq->dest_id >= ARRAY_SIZE(map->phys_map)) + goto out; + + dst = &map->phys_map[irq->dest_id]; } else { u32 mda = irq->dest_id << (32 - map->ldr_bits); |