1 {
2 	"invalid map_fd for function call",
3 	.insns = {
4 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
5 	BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_10),
6 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
7 	BPF_LD_MAP_FD(BPF_REG_1, 0),
8 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem),
9 	BPF_EXIT_INSN(),
10 	},
11 	.errstr = "fd 0 is not pointing to valid bpf_map",
12 	.result = REJECT,
13 },
14 {
15 	"don't check return value before access",
16 	.insns = {
17 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
18 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
19 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
20 	BPF_LD_MAP_FD(BPF_REG_1, 0),
21 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
22 	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
23 	BPF_EXIT_INSN(),
24 	},
25 	.fixup_map_hash_8b = { 3 },
26 	.errstr = "R0 invalid mem access 'map_value_or_null'",
27 	.result = REJECT,
28 },
29 {
30 	"access memory with incorrect alignment",
31 	.insns = {
32 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
33 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
34 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
35 	BPF_LD_MAP_FD(BPF_REG_1, 0),
36 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
37 	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
38 	BPF_ST_MEM(BPF_DW, BPF_REG_0, 4, 0),
39 	BPF_EXIT_INSN(),
40 	},
41 	.fixup_map_hash_8b = { 3 },
42 	.errstr = "misaligned value access",
43 	.result = REJECT,
44 	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
45 },
46 {
47 	"sometimes access memory with incorrect alignment",
48 	.insns = {
49 	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
50 	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
51 	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
52 	BPF_LD_MAP_FD(BPF_REG_1, 0),
53 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
54 	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
55 	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
56 	BPF_EXIT_INSN(),
57 	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 1),
58 	BPF_EXIT_INSN(),
59 	},
60 	.fixup_map_hash_8b = { 3 },
61 	.errstr = "R0 invalid mem access",
62 	.errstr_unpriv = "R0 leaks addr",
63 	.result = REJECT,
64 	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
65 },
66