fix(kvm): copy IO data before calling handle_pv_timer_config

The data slice borrows from the KVM run buffer (self.vcpu_fd), so
calling self.handle_pv_timer_config(data) would create a conflicting
mutable borrow. Copy data to a local Vec before calling the method.

Signed-off-by: danbugs <danilochiarlone@gmail.com>

Author: danbugs

src/hyperlight_host/src/hypervisor/virtual_machine/kvm/x86_64.rs

@@ -220,7 +220,8 @@ impl KvmVm {
                         return Ok(VmExit::Halt());
                     }
                     if port == VmAction::PvTimerConfig as u16 {
-                        self.handle_pv_timer_config(data);
+                        let data_copy = data.to_vec();
+                        self.handle_pv_timer_config(&data_copy);
                         continue;
                     }
                     // PIT ports (0x40-0x43): no in-kernel PIT, so these