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{
    "id": 833133,
    "url": "http://patchwork.ozlabs.org/api/1.2/patches/833133/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/e6a6d7105097854430987a2c596ad20ae73c449e.1509576758.git.daniel@iogearbox.net/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/1.2/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<e6a6d7105097854430987a2c596ad20ae73c449e.1509576758.git.daniel@iogearbox.net>",
    "list_archive_url": null,
    "date": "2017-11-01T22:58:11",
    "name": "[net-next,3/3] bpf: add test cases to bpf selftests to cover all meta tests",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "471fa61af2a0633007cb341ece8da96e894dbfa4",
    "submitter": {
        "id": 65705,
        "url": "http://patchwork.ozlabs.org/api/1.2/people/65705/?format=api",
        "name": "Daniel Borkmann",
        "email": "daniel@iogearbox.net"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/1.2/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/e6a6d7105097854430987a2c596ad20ae73c449e.1509576758.git.daniel@iogearbox.net/mbox/",
    "series": [
        {
            "id": 11406,
            "url": "http://patchwork.ozlabs.org/api/1.2/series/11406/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=11406",
            "date": "2017-11-01T22:58:09",
            "name": "BPF range marking improvements for meta data",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/11406/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/833133/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/833133/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
        "X-Original-To": "patchwork-incoming@ozlabs.org",
        "Delivered-To": "patchwork-incoming@ozlabs.org",
        "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3yS3Y757Qtz9t34\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu,  2 Nov 2017 09:58:35 +1100 (AEDT)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S933594AbdKAW6d (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tWed, 1 Nov 2017 18:58:33 -0400",
            "from www62.your-server.de ([213.133.104.62]:55626 \"EHLO\n\twww62.your-server.de\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S933336AbdKAW62 (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Wed, 1 Nov 2017 18:58:28 -0400",
            "from [194.230.159.142] (helo=localhost)\n\tby www62.your-server.de with esmtpsa\n\t(TLSv1.2:DHE-RSA-AES128-GCM-SHA256:128) (Exim 4.85_2)\n\t(envelope-from <daniel@iogearbox.net>)\n\tid 1eA1xq-0005CI-Nc; Wed, 01 Nov 2017 23:58:26 +0100"
        ],
        "From": "Daniel Borkmann <daniel@iogearbox.net>",
        "To": "davem@davemloft.net",
        "Cc": "alexei.starovoitov@gmail.com, john.r.fastabend@gmail.com,\n\tnetdev@vger.kernel.org, Daniel Borkmann <daniel@iogearbox.net>",
        "Subject": "[PATCH net-next 3/3] bpf: add test cases to bpf selftests to cover\n\tall meta tests",
        "Date": "Wed,  1 Nov 2017 23:58:11 +0100",
        "Message-Id": "<e6a6d7105097854430987a2c596ad20ae73c449e.1509576758.git.daniel@iogearbox.net>",
        "X-Mailer": "git-send-email 1.9.3",
        "In-Reply-To": [
            "<cover.1509576758.git.daniel@iogearbox.net>",
            "<cover.1509576758.git.daniel@iogearbox.net>"
        ],
        "References": [
            "<cover.1509576758.git.daniel@iogearbox.net>",
            "<cover.1509576758.git.daniel@iogearbox.net>"
        ],
        "X-Authenticated-Sender": "daniel@iogearbox.net",
        "X-Virus-Scanned": "Clear (ClamAV 0.99.2/24008/Wed Nov  1 21:07:58 2017)",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "Lets also add test cases to cover all possible data_meta access tests\nfor good/bad access cases so we keep tracking them.\n\nSigned-off-by: Daniel Borkmann <daniel@iogearbox.net>\nAcked-by: Alexei Starovoitov <ast@kernel.org>\nAcked-by: John Fastabend <john.fastabend@gmail.com>\n---\n tools/testing/selftests/bpf/test_verifier.c | 442 ++++++++++++++++++++++++++++\n 1 file changed, 442 insertions(+)",
    "diff": "diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c\nindex 3b38a3d..bb3c4ad 100644\n--- a/tools/testing/selftests/bpf/test_verifier.c\n+++ b/tools/testing/selftests/bpf/test_verifier.c\n@@ -7399,6 +7399,448 @@ struct test_val {\n \t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n \t},\n \t{\n+\t\t\"XDP pkt read, pkt_meta' > pkt_data, good access\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.result = ACCEPT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' > pkt_data, bad access 1\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' > pkt_data, bad access 2\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 0),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data > pkt_meta', good access\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_JMP_IMM(BPF_JA, 0, 0, 1),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.result = ACCEPT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data > pkt_meta', bad access 1\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_JMP_IMM(BPF_JA, 0, 0, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data > pkt_meta', bad access 2\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' < pkt_data, good access\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_JMP_IMM(BPF_JA, 0, 0, 1),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.result = ACCEPT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' < pkt_data, bad access 1\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_JMP_IMM(BPF_JA, 0, 0, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' < pkt_data, bad access 2\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data < pkt_meta', good access\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.result = ACCEPT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data < pkt_meta', bad access 1\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data < pkt_meta', bad access 2\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 0),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' >= pkt_data, good access\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.result = ACCEPT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' >= pkt_data, bad access 1\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' >= pkt_data, bad access 2\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 0),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data >= pkt_meta', good access\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_JMP_IMM(BPF_JA, 0, 0, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.result = ACCEPT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data >= pkt_meta', bad access 1\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_JMP_IMM(BPF_JA, 0, 0, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data >= pkt_meta', bad access 2\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' <= pkt_data, good access\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_JMP_IMM(BPF_JA, 0, 0, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.result = ACCEPT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' <= pkt_data, bad access 1\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_JMP_IMM(BPF_JA, 0, 0, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_meta' <= pkt_data, bad access 2\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data <= pkt_meta', good access\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.result = ACCEPT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data <= pkt_meta', bad access 1\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),\n+\t\t\tBPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t},\n+\t{\n+\t\t\"XDP pkt read, pkt_data <= pkt_meta', bad access 2\",\n+\t\t.insns = {\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data_meta)),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,\n+\t\t\t\t    offsetof(struct xdp_md, data)),\n+\t\t\tBPF_MOV64_REG(BPF_REG_1, BPF_REG_2),\n+\t\t\tBPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),\n+\t\t\tBPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 0),\n+\t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),\n+\t\t\tBPF_MOV64_IMM(BPF_REG_0, 0),\n+\t\t\tBPF_EXIT_INSN(),\n+\t\t},\n+\t\t.errstr = \"R1 offset is outside of the packet\",\n+\t\t.result = REJECT,\n+\t\t.prog_type = BPF_PROG_TYPE_XDP,\n+\t\t.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,\n+\t},\n+\t{\n \t\t\"bpf_exit with invalid return code. test1\",\n \t\t.insns = {\n \t\t\tBPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),\n",
    "prefixes": [
        "net-next",
        "3/3"
    ]
}