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authorJoerg Roedel <jroedel@suse.de>2022-05-20 12:26:49 +0200
committerJoerg Roedel <jroedel@suse.de>2022-05-20 12:26:49 +0200
commitb11deb2f250fbf841e578e0f3bea3993fdedd0f7 (patch)
treeda72b24f9948f4d5630529819b546e514a87aa61 /arch/x86/kvm/x86.c
parente3b9bf145cb6a0c0ffa106d5a78029c7c3e94ef7 (diff)
parent42226c989789d8da4af1de0c31070c96726d990c (diff)
Merge tag 'v5.18-rc7' into arm/smmu
Linux 5.18-rc7
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a6ab19afc638..4790f0d7d40b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -10020,12 +10020,14 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
if (kvm_check_request(KVM_REQ_HV_CRASH, vcpu)) {
vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT;
vcpu->run->system_event.type = KVM_SYSTEM_EVENT_CRASH;
+ vcpu->run->system_event.ndata = 0;
r = 0;
goto out;
}
if (kvm_check_request(KVM_REQ_HV_RESET, vcpu)) {
vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT;
vcpu->run->system_event.type = KVM_SYSTEM_EVENT_RESET;
+ vcpu->run->system_event.ndata = 0;
r = 0;
goto out;
}
@@ -12009,8 +12011,12 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
struct kvm_memory_slot *new,
enum kvm_mr_change change)
{
- if (change == KVM_MR_CREATE || change == KVM_MR_MOVE)
+ if (change == KVM_MR_CREATE || change == KVM_MR_MOVE) {
+ if ((new->base_gfn + new->npages - 1) > kvm_mmu_max_gfn())
+ return -EINVAL;
+
return kvm_alloc_memslot_metadata(kvm, new);
+ }
if (change == KVM_MR_FLAGS_ONLY)
memcpy(&new->arch, &old->arch, sizeof(old->arch));