Paolo Bonzini a9ded882d5 KVM: ioapic: fix assignment of ioapic->rtc_status.pending_eoi (CVE-2014-0155) ... commit 5678de3f15010b9022ee45673f33bcfc71d47b60 upstream. QE reported that they got the BUG_ON in ioapic_service to trigger. I cannot reproduce it, but there are two reasons why this could happen. The less likely but also easiest one, is when kvm_irq_delivery_to_apic does not deliver to any APIC and returns -1. Because irqe.shorthand == 0, the kvm_for_each_vcpu loop in that function is never reached. However, you can target the similar loop in kvm_irq_delivery_to_apic_fast; just program a zero logical destination address into the IOAPIC, or an out-of-range physical destination address. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2014-05-13 13:59:41 +02:00
..
assigned-dev.c
async_pf.c
async_pf.h
coalesced_mmio.c	KVM: return an error code in kvm_vm_ioctl_register_coalesced_mmio()	2014-02-22 12:41:29 -08:00
coalesced_mmio.h
eventfd.c
ioapic.c	KVM: ioapic: fix assignment of ioapic->rtc_status.pending_eoi (CVE-2014-0155)	2014-05-13 13:59:41 +02:00
ioapic.h
iodev.h
iommu.c
irq_comm.c
irqchip.c
Kconfig
kvm_main.c	mm: close PageTail race	2014-04-03 12:01:05 -07:00