| { |
| "prevent map lookup in sockmap", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_sockmap = { 3 }, |
| .result = REJECT, |
| .errstr = "cannot pass map_type 15 into func bpf_map_lookup_elem", |
| .prog_type = BPF_PROG_TYPE_SOCK_OPS, |
| }, |
| { |
| "prevent map lookup in sockhash", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_sockhash = { 3 }, |
| .result = REJECT, |
| .errstr = "cannot pass map_type 18 into func bpf_map_lookup_elem", |
| .prog_type = BPF_PROG_TYPE_SOCK_OPS, |
| }, |
| { |
| "prevent map lookup in stack trace", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_stacktrace = { 3 }, |
| .result = REJECT, |
| .errstr = "cannot pass map_type 7 into func bpf_map_lookup_elem", |
| .prog_type = BPF_PROG_TYPE_PERF_EVENT, |
| }, |
| { |
| "prevent map lookup in prog array", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_prog2 = { 3 }, |
| .result = REJECT, |
| .errstr = "cannot pass map_type 3 into func bpf_map_lookup_elem", |
| }, |
