| { | |
| "d_path accept", | |
| .insns = { | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, 0), | |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
| BPF_MOV64_IMM(BPF_REG_6, 0), | |
| BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0), | |
| BPF_LD_IMM64(BPF_REG_3, 8), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_d_path), | |
| BPF_MOV64_IMM(BPF_REG_0, 0), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .result = ACCEPT, | |
| .prog_type = BPF_PROG_TYPE_TRACING, | |
| .expected_attach_type = BPF_TRACE_FENTRY, | |
| .kfunc = "dentry_open", | |
| }, | |
| { | |
| "d_path reject", | |
| .insns = { | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, 0), | |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
| BPF_MOV64_IMM(BPF_REG_6, 0), | |
| BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0), | |
| BPF_LD_IMM64(BPF_REG_3, 8), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_d_path), | |
| BPF_MOV64_IMM(BPF_REG_0, 0), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .errstr = "helper call is not allowed in probe", | |
| .result = REJECT, | |
| .prog_type = BPF_PROG_TYPE_TRACING, | |
| .expected_attach_type = BPF_TRACE_FENTRY, | |
| .kfunc = "d_path", | |
| }, |