{
        "valid 1,2,4,8-byte reads from bpf_sk_lookup",
        .insns = {
                /* 1-byte read from family field */
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, family)),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, family) + 1),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, family) + 2),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, family) + 3),
                /* 2-byte read from family field */
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, family)),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, family) + 2),
                /* 4-byte read from family field */
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, family)),

                /* 1-byte read from protocol field */
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, protocol)),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, protocol) + 1),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, protocol) + 2),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, protocol) + 3),
                /* 2-byte read from protocol field */
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, protocol)),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, protocol) + 2),
                /* 4-byte read from protocol field */
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, protocol)),

                /* 1-byte read from remote_ip4 field */
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip4)),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip4) + 1),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip4) + 2),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip4) + 3),
                /* 2-byte read from remote_ip4 field */
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip4)),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip4) + 2),
                /* 4-byte read from remote_ip4 field */
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip4)),

                /* 1-byte read from remote_ip6 field */
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6)),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 1),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 2),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 3),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 4),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 5),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 6),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 7),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 8),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 9),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 10),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 11),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 12),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 13),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 14),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 15),
                /* 2-byte read from remote_ip6 field */
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6)),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 2),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 4),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 6),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 8),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 10),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 12),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 14),
                /* 4-byte read from remote_ip6 field */
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6)),
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 4),
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 8),
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6) + 12),

                /* 1-byte read from remote_port field */
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_port)),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_port) + 1),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_port) + 2),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_port) + 3),
                /* 2-byte read from remote_port field */
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_port)),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_port) + 2),
                /* 4-byte read from remote_port field */
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_port)),

                /* 1-byte read from local_ip4 field */
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip4)),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip4) + 1),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip4) + 2),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip4) + 3),
                /* 2-byte read from local_ip4 field */
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip4)),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip4) + 2),
                /* 4-byte read from local_ip4 field */
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip4)),

                /* 1-byte read from local_ip6 field */
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6)),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 1),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 2),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 3),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 4),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 5),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 6),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 7),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 8),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 9),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 10),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 11),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 12),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 13),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 14),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 15),
                /* 2-byte read from local_ip6 field */
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6)),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 2),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 4),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 6),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 8),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 10),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 12),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 14),
                /* 4-byte read from local_ip6 field */
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6)),
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 4),
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 8),
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6) + 12),

                /* 1-byte read from local_port field */
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_port)),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_port) + 1),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_port) + 2),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_port) + 3),
                /* 2-byte read from local_port field */
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_port)),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_port) + 2),
                /* 4-byte read from local_port field */
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_port)),

                /* 1-byte read from ingress_ifindex field */
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, ingress_ifindex)),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, ingress_ifindex) + 1),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, ingress_ifindex) + 2),
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, ingress_ifindex) + 3),
                /* 2-byte read from ingress_ifindex field */
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, ingress_ifindex)),
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, ingress_ifindex) + 2),
                /* 4-byte read from ingress_ifindex field */
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, ingress_ifindex)),

                /* 8-byte read from sk field */
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, sk)),

                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .result = ACCEPT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
        .runs = -1,
},
/* invalid 8-byte reads from a 4-byte fields in bpf_sk_lookup */
{
        "invalid 8-byte read from bpf_sk_lookup family field",
        .insns = {
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, family)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 8-byte read from bpf_sk_lookup protocol field",
        .insns = {
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, protocol)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
        .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
        "invalid 8-byte read from bpf_sk_lookup remote_ip4 field",
        .insns = {
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip4)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 8-byte read from bpf_sk_lookup remote_ip6 field",
        .insns = {
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_ip6)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
        .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
        "invalid 8-byte read from bpf_sk_lookup remote_port field",
        .insns = {
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, remote_port)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
        .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
        "invalid 8-byte read from bpf_sk_lookup local_ip4 field",
        .insns = {
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip4)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 8-byte read from bpf_sk_lookup local_ip6 field",
        .insns = {
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_ip6)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
        .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
        "invalid 8-byte read from bpf_sk_lookup local_port field",
        .insns = {
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, local_port)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
        .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
        "invalid 8-byte read from bpf_sk_lookup ingress_ifindex field",
        .insns = {
                BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, ingress_ifindex)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
        .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
/* invalid 1,2,4-byte reads from 8-byte fields in bpf_sk_lookup */
{
        "invalid 4-byte read from bpf_sk_lookup sk field",
        .insns = {
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, sk)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 2-byte read from bpf_sk_lookup sk field",
        .insns = {
                BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, sk)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 1-byte read from bpf_sk_lookup sk field",
        .insns = {
                BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
                            offsetof(struct bpf_sk_lookup, sk)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
/* out of bounds and unaligned reads from bpf_sk_lookup */
{
        "invalid 4-byte read past end of bpf_sk_lookup",
        .insns = {
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
                            sizeof(struct bpf_sk_lookup)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 4-byte unaligned read from bpf_sk_lookup at odd offset",
        .insns = {
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 1),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
        .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
        "invalid 4-byte unaligned read from bpf_sk_lookup at even offset",
        .insns = {
                BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 2),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
        .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
/* in-bound and out-of-bound writes to bpf_sk_lookup */
{
        "invalid 8-byte write to bpf_sk_lookup",
        .insns = {
                BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
                BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 4-byte write to bpf_sk_lookup",
        .insns = {
                BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
                BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 2-byte write to bpf_sk_lookup",
        .insns = {
                BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
                BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, 0),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 1-byte write to bpf_sk_lookup",
        .insns = {
                BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
                BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},
{
        "invalid 4-byte write past end of bpf_sk_lookup",
        .insns = {
                BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
                BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
                            sizeof(struct bpf_sk_lookup)),
                BPF_MOV32_IMM(BPF_REG_0, 0),
                BPF_EXIT_INSN(),
        },
        .errstr = "invalid bpf_context access",
        .result = REJECT,
        .prog_type = BPF_PROG_TYPE_SK_LOOKUP,
        .expected_attach_type = BPF_SK_LOOKUP,
},