{ "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)), 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)), 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_JSLT, 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)), 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, },