1 {
2 	"bpf_map_ptr: read with negative offset rejected",
3 	.insns = {
4 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
5 	BPF_LD_MAP_FD(BPF_REG_1, 0),
6 	BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
7 	BPF_MOV64_IMM(BPF_REG_0, 1),
8 	BPF_EXIT_INSN(),
9 	},
10 	.fixup_map_array_48b = { 1 },
11 	.result_unpriv = REJECT,
12 	.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
13 	.result = REJECT,
14 	.errstr = "R1 is bpf_array invalid negative access: off=-8",
15 },
16 {
17 	"bpf_map_ptr: write rejected",
18 	.insns = {
19 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
20 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
21 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
22 	BPF_LD_MAP_FD(BPF_REG_1, 0),
23 	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0),
24 	BPF_MOV64_IMM(BPF_REG_0, 1),
25 	BPF_EXIT_INSN(),
26 	},
27 	.fixup_map_array_48b = { 3 },
28 	.result_unpriv = REJECT,
29 	.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
30 	.result = REJECT,
31 	.errstr = "only read from bpf_array is supported",
32 },
33 {
34 	"bpf_map_ptr: read non-existent field rejected",
35 	.insns = {
36 	BPF_MOV64_IMM(BPF_REG_6, 0),
37 	BPF_LD_MAP_FD(BPF_REG_1, 0),
38 	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, 1),
39 	BPF_MOV64_IMM(BPF_REG_0, 1),
40 	BPF_EXIT_INSN(),
41 	},
42 	.fixup_map_array_48b = { 1 },
43 	.result_unpriv = REJECT,
44 	.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
45 	.result = REJECT,
46 	.errstr = "cannot access ptr member ops with moff 0 in struct bpf_map with off 1 size 4",
47 },
48 {
49 	"bpf_map_ptr: read ops field accepted",
50 	.insns = {
51 	BPF_MOV64_IMM(BPF_REG_6, 0),
52 	BPF_LD_MAP_FD(BPF_REG_1, 0),
53 	BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
54 	BPF_MOV64_IMM(BPF_REG_0, 1),
55 	BPF_EXIT_INSN(),
56 	},
57 	.fixup_map_array_48b = { 1 },
58 	.result_unpriv = REJECT,
59 	.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
60 	.result = ACCEPT,
61 	.retval = 1,
62 },
63 {
64 	"bpf_map_ptr: r = 0, map_ptr = map_ptr + r",
65 	.insns = {
66 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
67 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
68 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
69 	BPF_MOV64_IMM(BPF_REG_0, 0),
70 	BPF_LD_MAP_FD(BPF_REG_1, 0),
71 	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
72 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
73 	BPF_MOV64_IMM(BPF_REG_0, 0),
74 	BPF_EXIT_INSN(),
75 	},
76 	.fixup_map_hash_16b = { 4 },
77 	.result_unpriv = REJECT,
78 	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
79 	.result = ACCEPT,
80 },
81 {
82 	"bpf_map_ptr: r = 0, r = r + map_ptr",
83 	.insns = {
84 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
85 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
86 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
87 	BPF_MOV64_IMM(BPF_REG_1, 0),
88 	BPF_LD_MAP_FD(BPF_REG_0, 0),
89 	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
90 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
91 	BPF_MOV64_IMM(BPF_REG_0, 0),
92 	BPF_EXIT_INSN(),
93 	},
94 	.fixup_map_hash_16b = { 4 },
95 	.result_unpriv = REJECT,
96 	.errstr_unpriv = "R0 has pointer with unsupported alu operation",
97 	.result = ACCEPT,
98 },
99