# # requires: arch=amd64 -threaded # r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0) r2 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil) # L2 payload: uexit(1), uexit(2) # L1 logic: launch (runs 1st uexit), resume (runs 2nd uexit) # r3 = syz_kvm_add_vcpu$x86(r2, &AUTO={0x0, &AUTO=[@enable_nested={AUTO, AUTO, 0x0}, @nested_create_vm={AUTO, AUTO, 0x0}, @nested_load_syzos={AUTO, AUTO, {0x0, 0x10, [@uexit={AUTO, AUTO, 0x1}, @uexit={AUTO, AUTO, 0x2}]}}, @nested_vmlaunch={AUTO, AUTO, 0x0}, @nested_vmresume={AUTO, AUTO, 0x0}], AUTO}) r4 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, AUTO) r5 = mmap$KVM_VCPU(&(0x7f0000009000/0x1000)=nil, r4, 0x3, 0x1, r3, 0x0) # L2 Exit 1 # ioctl$KVM_RUN(r3, AUTO, 0x0) syz_kvm_assert_syzos_uexit$x86(r3, r5, 0x0100000000000001) # L2 Exit 2 (via VMRESUME) # ioctl$KVM_RUN(r3, AUTO, 0x0) syz_kvm_assert_syzos_uexit$x86(r3, r5, 0x0100000000000002) ioctl$KVM_RUN(r3, AUTO, 0x0) syz_kvm_assert_syzos_uexit$x86(r3, r5, 0xffffffffffffffff)