1{ 2 "d_path accept", 3 .insns = { 4 BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, 0), 5 BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), 6 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), 7 BPF_MOV64_IMM(BPF_REG_6, 0), 8 BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0), 9 BPF_LD_IMM64(BPF_REG_3, 8), 10 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_d_path), 11 BPF_MOV64_IMM(BPF_REG_0, 0), 12 BPF_EXIT_INSN(), 13 }, 14 .result = ACCEPT, 15 .prog_type = BPF_PROG_TYPE_TRACING, 16 .expected_attach_type = BPF_TRACE_FENTRY, 17 .kfunc = "dentry_open", 18}, 19{ 20 "d_path reject", 21 .insns = { 22 BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, 0), 23 BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), 24 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), 25 BPF_MOV64_IMM(BPF_REG_6, 0), 26 BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0), 27 BPF_LD_IMM64(BPF_REG_3, 8), 28 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_d_path), 29 BPF_MOV64_IMM(BPF_REG_0, 0), 30 BPF_EXIT_INSN(), 31 }, 32 .errstr = "helper call is not allowed in probe", 33 .result = REJECT, 34 .prog_type = BPF_PROG_TYPE_TRACING, 35 .expected_attach_type = BPF_TRACE_FENTRY, 36 .kfunc = "d_path", 37}, 38