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kvm: x86: fix kvm_apic_has_events to check for NULL pointer
authorPaolo Bonzini <pbonzini@redhat.com>
Sat, 30 May 2015 12:31:24 +0000 (14:31 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 17 Aug 2015 03:51:43 +0000 (20:51 -0700)
commitd7a681b77df62857104797f0ebfb47eb6fdc37c6
tree2890d0ba39943c0ba5ddeaab814f8e1fde2d26ectree | snapshot
parenta6bb935312e2c20c95af0789ec84af4a6bcd5596commit | diff
kvm: x86: fix kvm_apic_has_events to check for NULL pointer

commit ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009 upstream.

Malicious (or egregiously buggy) userspace can trigger it, but it
should never happen in normal operation.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Wang Kai <morgan.wang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/kvm/lapic.h diff | blob | history
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