1 {
2 	"constant register |= constant should keep constant type",
3 	.insns = {
4 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
5 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
6 	BPF_MOV64_IMM(BPF_REG_2, 34),
7 	BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13),
8 	BPF_MOV64_IMM(BPF_REG_3, 0),
9 	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
10 	BPF_EXIT_INSN(),
11 	},
12 	.result = ACCEPT,
13 	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
14 },
15 {
16 	"constant register |= constant should not bypass stack boundary checks",
17 	.insns = {
18 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
19 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
20 	BPF_MOV64_IMM(BPF_REG_2, 34),
21 	BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 24),
22 	BPF_MOV64_IMM(BPF_REG_3, 0),
23 	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
24 	BPF_EXIT_INSN(),
25 	},
26 	.errstr = "invalid stack type R1 off=-48 access_size=58",
27 	.result = REJECT,
28 	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
29 },
30 {
31 	"constant register |= constant register should keep constant type",
32 	.insns = {
33 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
34 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
35 	BPF_MOV64_IMM(BPF_REG_2, 34),
36 	BPF_MOV64_IMM(BPF_REG_4, 13),
37 	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
38 	BPF_MOV64_IMM(BPF_REG_3, 0),
39 	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
40 	BPF_EXIT_INSN(),
41 	},
42 	.result = ACCEPT,
43 	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
44 },
45 {
46 	"constant register |= constant register should not bypass stack boundary checks",
47 	.insns = {
48 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
49 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
50 	BPF_MOV64_IMM(BPF_REG_2, 34),
51 	BPF_MOV64_IMM(BPF_REG_4, 24),
52 	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
53 	BPF_MOV64_IMM(BPF_REG_3, 0),
54 	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
55 	BPF_EXIT_INSN(),
56 	},
57 	.errstr = "invalid stack type R1 off=-48 access_size=58",
58 	.result = REJECT,
59 	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
60 },
61