{ "precise: test 1", .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_LD_MAP_FD(BPF_REG_6, 0), BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), BPF_ST_MEM(BPF_DW, BPF_REG_FP, -8, 0), BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_9, BPF_REG_0), BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8), /* map_value_ptr -= map_value_ptr */ BPF_MOV64_REG(BPF_REG_2, BPF_REG_9), BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 8, 1), BPF_EXIT_INSN(), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), /* R2=inv(umin=1, umax=8) */ BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP), BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), BPF_MOV64_IMM(BPF_REG_3, 0), BPF_EMIT_CALL(BPF_FUNC_probe_read), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .fixup_map_array_48b = { 1 }, .result = VERBOSE_ACCEPT, .errstr = "26: (85) call bpf_probe_read#4\ last_idx 26 first_idx 20\ regs=4 stack=0 before 25\ regs=4 stack=0 before 24\ regs=4 stack=0 before 23\ regs=4 stack=0 before 22\ regs=4 stack=0 before 20\ parent didn't have regs=4 stack=0 marks\ last_idx 19 first_idx 10\ regs=4 stack=0 before 19\ regs=200 stack=0 before 18\ regs=300 stack=0 before 17\ regs=201 stack=0 before 15\ regs=201 stack=0 before 14\ regs=200 stack=0 before 13\ regs=200 stack=0 before 12\ regs=200 stack=0 before 11\ regs=200 stack=0 before 10\ parent already had regs=0 stack=0 marks", }, { "precise: test 2", .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_LD_MAP_FD(BPF_REG_6, 0), BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), BPF_ST_MEM(BPF_DW, BPF_REG_FP, -8, 0), BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_9, BPF_REG_0), BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8), /* map_value_ptr -= map_value_ptr */ BPF_MOV64_REG(BPF_REG_2, BPF_REG_9), BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 8, 1), BPF_EXIT_INSN(), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), /* R2=inv(umin=1, umax=8) */ BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP), BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), BPF_MOV64_IMM(BPF_REG_3, 0), BPF_EMIT_CALL(BPF_FUNC_probe_read), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .fixup_map_array_48b = { 1 }, .result = VERBOSE_ACCEPT, .flags = BPF_F_TEST_STATE_FREQ, .errstr = "26: (85) call bpf_probe_read#4\ last_idx 26 first_idx 22\ regs=4 stack=0 before 25\ regs=4 stack=0 before 24\ regs=4 stack=0 before 23\ regs=4 stack=0 before 22\ parent didn't have regs=4 stack=0 marks\ last_idx 20 first_idx 20\ regs=4 stack=0 before 20\ parent didn't have regs=4 stack=0 marks\ last_idx 19 first_idx 17\ regs=4 stack=0 before 19\ regs=200 stack=0 before 18\ regs=300 stack=0 before 17\ parent already had regs=0 stack=0 marks", },