If KVM_CREATE_IRQCHIP fail due to kvm_setup_default_irq_routing(), ioapic device is not destroyed and kvm->arch.vioapic is not set to NULL, this may cause KVM_GET_IRQCHIP and KVM_SET_IRQCHIP access to unexcepted memory.
Signed-off-by: Wei Yongjun <[email protected]> --- arch/ia64/kvm/kvm-ia64.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 0618898..26e0e08 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -968,7 +968,7 @@ long kvm_arch_vm_ioctl(struct file *filp, goto out; r = kvm_setup_default_irq_routing(kvm); if (r) { - kfree(kvm->arch.vioapic); + kvm_ioapic_destroy(kvm); goto out; } break; -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
