root/tools/testing/selftests/bpf/verifier/junk_insn.c
{
        "junk insn",
        .insns = {
        BPF_RAW_INSN(0, 0, 0, 0, 0),
        BPF_EXIT_INSN(),
        },
        .errstr = "unknown opcode 00",
        .result = REJECT,
},
{
        "junk insn2",
        .insns = {
        BPF_RAW_INSN(1, 0, 0, 0, 0),
        BPF_EXIT_INSN(),
        },
        .errstr = "BPF_LDX uses reserved fields",
        .result = REJECT,
},
{
        "junk insn3",
        .insns = {
        BPF_RAW_INSN(-1, 0, 0, 0, 0),
        BPF_EXIT_INSN(),
        },
        .errstr = "unknown opcode ff",
        .result = REJECT,
},
{
        "junk insn4",
        .insns = {
        BPF_RAW_INSN(-1, -1, -1, -1, -1),
        BPF_EXIT_INSN(),
        },
        .errstr = "unknown opcode ff",
        .result = REJECT,
},
{
        "junk insn5",
        .insns = {
        BPF_RAW_INSN(0x7f, -1, -1, -1, -1),
        BPF_EXIT_INSN(),
        },
        .errstr = "BPF_ALU uses reserved fields",
        .result = REJECT,
},