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Commit c65bbfa1 authored by Ben-Ami Yassour's avatar Ben-Ami Yassour Committed by Avi Kivity
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KVM: check injected pic irq within valid pic irqs 



Check that an injected pic irq is between 0 and 15.

Signed-off-by: default avatarBen-Ami Yassour <benami@il.ibm.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 19fdfa0d

arch/x86/kvm/i8259.c

+4 −2
Original line number Diff line number Diff line
@@ -130,9 +130,11 @@ void kvm_pic_set_irq(void *opaque, int irq, int level) 
{

	struct kvm_pic *s = opaque;



	if (irq >= 0 && irq < PIC_NUM_PINS) {

		pic_set_irq1(&s->pics[irq >> 3], irq & 7, level);

		pic_update_irq(s);

	}

}



/*

 * acknowledge interrupt 'irq'

arch/x86/kvm/irq.h

+2 −0
Original line number Diff line number Diff line
@@ -30,6 +30,8 @@ 
#include "ioapic.h"

#include "lapic.h"



#define PIC_NUM_PINS 16



struct kvm;

struct kvm_vcpu;