| { |
| "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, |
| }, |
