| { |
| "valid access family in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, family)), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
| { |
| "valid access remote_ip4 in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, remote_ip4)), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
| { |
| "valid access local_ip4 in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, local_ip4)), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
| { |
| "valid access remote_port in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, remote_port)), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
| { |
| "valid access local_port in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, local_port)), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
| { |
| "valid access remote_ip6 in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, remote_ip6[0])), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, remote_ip6[1])), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, remote_ip6[2])), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, remote_ip6[3])), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_SKB, |
| }, |
| { |
| "valid access local_ip6 in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, local_ip6[0])), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, local_ip6[1])), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, local_ip6[2])), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, local_ip6[3])), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_SKB, |
| }, |
| { |
| "valid access size in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
| offsetof(struct sk_msg_md, size)), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
| { |
| "invalid 64B read of size in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, |
| offsetof(struct sk_msg_md, size)), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "invalid bpf_context access", |
| .result = REJECT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
| }, |
| { |
| "invalid read past end of SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, |
| offsetof(struct sk_msg_md, size) + 4), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "invalid bpf_context access", |
| .result = REJECT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
| { |
| "invalid read offset in SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, |
| offsetof(struct sk_msg_md, family) + 1), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "invalid bpf_context access", |
| .result = REJECT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
| }, |
| { |
| "direct packet read for SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, |
| offsetof(struct sk_msg_md, data)), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, |
| offsetof(struct sk_msg_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 = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
| { |
| "direct packet write for SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, |
| offsetof(struct sk_msg_md, data)), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, |
| offsetof(struct sk_msg_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_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
| { |
| "overlapping checks for direct packet access SK_MSG", |
| .insns = { |
| BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, |
| offsetof(struct sk_msg_md, data)), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, |
| offsetof(struct sk_msg_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, 4), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), |
| BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_SK_MSG, |
| }, |
