{ "meta access, test1", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = ACCEPT, .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test2", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 8), BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8), BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = REJECT, .errstr = "invalid access to packet, off=-8", .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test3", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data_end)), BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = REJECT, .errstr = "invalid access to packet", .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test4", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data_end)), BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_0, BPF_REG_4), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = REJECT, .errstr = "invalid access to packet", .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test5", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_4, 3), BPF_MOV64_IMM(BPF_REG_2, -8), BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_xdp_adjust_meta), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = REJECT, .errstr = "R3 !read_ok", .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test6", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8), BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_0, 1), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = REJECT, .errstr = "invalid access to packet", .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test7", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8), BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = ACCEPT, .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test8", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF), BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = ACCEPT, .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test9", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF), BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1), BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = REJECT, .errstr = "invalid access to packet", .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test10", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, data_end)), BPF_MOV64_IMM(BPF_REG_5, 42), BPF_MOV64_IMM(BPF_REG_6, 24), BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8), BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_6, -8), BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8), BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6), BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_5), BPF_MOV64_REG(BPF_REG_5, BPF_REG_3), BPF_MOV64_REG(BPF_REG_6, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8), BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_5, 1), BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = REJECT, .errstr = "invalid access to packet", .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test11", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_IMM(BPF_REG_5, 42), BPF_MOV64_IMM(BPF_REG_6, 24), BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8), BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_6, -8), BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8), BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6), BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_5), BPF_MOV64_REG(BPF_REG_5, BPF_REG_2), BPF_MOV64_REG(BPF_REG_6, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8), BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_3, 1), BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_5, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = ACCEPT, .prog_type = BPF_PROG_TYPE_XDP, }, { "meta access, test12", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, data_end)), BPF_MOV64_REG(BPF_REG_5, BPF_REG_3), BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16), BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 5), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0), BPF_MOV64_REG(BPF_REG_5, BPF_REG_2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16), BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 1), BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .result = ACCEPT, .prog_type = BPF_PROG_TYPE_XDP, },