| { |
| "bpf_get_stack return R0 within range", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| 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_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 28), |
| BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), |
| BPF_MOV64_IMM(BPF_REG_9, sizeof(struct test_val)/2), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_7), |
| BPF_MOV64_IMM(BPF_REG_3, sizeof(struct test_val)/2), |
| BPF_MOV64_IMM(BPF_REG_4, 256), |
| BPF_EMIT_CALL(BPF_FUNC_get_stack), |
| BPF_MOV64_IMM(BPF_REG_1, 0), |
| BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_LSH, BPF_REG_8, 32), |
| BPF_ALU64_IMM(BPF_ARSH, BPF_REG_8, 32), |
| BPF_JMP_REG(BPF_JSGT, BPF_REG_1, BPF_REG_8, 16), |
| BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_7), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_8), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_9), |
| BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 32), |
| BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 32), |
| BPF_MOV64_REG(BPF_REG_3, BPF_REG_2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_1), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), |
| BPF_MOV64_IMM(BPF_REG_5, sizeof(struct test_val)/2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_5), |
| BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 4), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_MOV64_REG(BPF_REG_3, BPF_REG_9), |
| BPF_MOV64_IMM(BPF_REG_4, 0), |
| BPF_EMIT_CALL(BPF_FUNC_get_stack), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_48b = { 4 }, |
| .result = ACCEPT, |
| .prog_type = BPF_PROG_TYPE_TRACEPOINT, |
| }, |
