=====================================================
BUG: KMSAN: uninit-value in em_ret_far+0x332/0x340 arch/x86/kvm/emulate.c:2258
 em_ret_far+0x332/0x340 arch/x86/kvm/emulate.c:2258
 x86_emulate_insn+0x1d81/0x5800 arch/x86/kvm/emulate.c:5289
 x86_emulate_instruction+0x13c5/0x3090 arch/x86/kvm/x86.c:9101
 kvm_emulate_instruction arch/x86/kvm/x86.c:9181 [inline]
 complete_emulated_io arch/x86/kvm/x86.c:11132 [inline]
 complete_emulated_mmio+0x70a/0x8b0 arch/x86/kvm/x86.c:11192
 kvm_arch_vcpu_ioctl_run+0x18e2/0xc680 arch/x86/kvm/x86.c:11304
 kvm_vcpu_ioctl+0xbfc/0x1770 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4155
 kvm_vcpu_compat_ioctl+0x2a9/0x4d0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4355
 __do_compat_sys_ioctl fs/ioctl.c:972 [inline]
 __se_compat_sys_ioctl+0x79b/0xfe0 fs/ioctl.c:914
 __ia32_compat_sys_ioctl+0x93/0xd0 fs/ioctl.c:914
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb3/0x110 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:346
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

Local variable eip created at:
 em_ret_far+0x3a/0x340 arch/x86/kvm/emulate.c:2243
 x86_emulate_insn+0x1d81/0x5800 arch/x86/kvm/emulate.c:5289

CPU: 0 PID: 5468 Comm: syz-executor.3 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
=====================================================