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...citu at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- arch/x86/kvm/x86.c | 13 ++++++++++--- include/linux/kvm_host.h | 2 ++ 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index ff0c12a9322d..d0104adf7906 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8646,8 +8646,15 @@ static void __set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) kvm_rip_write(vcpu, regs->rip); kvm_set_rflags(vcpu, regs->rflags | X86_EFLAGS_FIXED); +} - vcpu->arch.exception.pending = false; +vo...

...#PF, leading to a guest crash. Signed-off-by: Mihai Don?u <mdontu at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- arch/x86/kvm/x86.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d0104adf7906..fee24bb5fa52 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7467,11 +7467,15 @@ static int emulator_fix_hypercall(struct x86_emulate_ctxt *ctxt) struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); char instruction[3]; unsigned long rip = kvm_rip_read(vcpu); + int err; kvm_x86_ops-&...

The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VMs (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place