xref: /OK3568_Linux_fs/kernel/tools/testing/selftests/bpf/verifier/basic_call.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun {
2*4882a593Smuzhiyun 	"invalid call insn1",
3*4882a593Smuzhiyun 	.insns = {
4*4882a593Smuzhiyun 	BPF_RAW_INSN(BPF_JMP | BPF_CALL | BPF_X, 0, 0, 0, 0),
5*4882a593Smuzhiyun 	BPF_EXIT_INSN(),
6*4882a593Smuzhiyun 	},
7*4882a593Smuzhiyun 	.errstr = "unknown opcode 8d",
8*4882a593Smuzhiyun 	.result = REJECT,
9*4882a593Smuzhiyun },
10*4882a593Smuzhiyun {
11*4882a593Smuzhiyun 	"invalid call insn2",
12*4882a593Smuzhiyun 	.insns = {
13*4882a593Smuzhiyun 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 1, 0),
14*4882a593Smuzhiyun 	BPF_EXIT_INSN(),
15*4882a593Smuzhiyun 	},
16*4882a593Smuzhiyun 	.errstr = "BPF_CALL uses reserved",
17*4882a593Smuzhiyun 	.result = REJECT,
18*4882a593Smuzhiyun },
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun 	"invalid function call",
21*4882a593Smuzhiyun 	.insns = {
22*4882a593Smuzhiyun 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, 1234567),
23*4882a593Smuzhiyun 	BPF_EXIT_INSN(),
24*4882a593Smuzhiyun 	},
25*4882a593Smuzhiyun 	.errstr = "invalid func unknown#1234567",
26*4882a593Smuzhiyun 	.result = REJECT,
27*4882a593Smuzhiyun },
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun 	"invalid argument register",
30*4882a593Smuzhiyun 	.insns = {
31*4882a593Smuzhiyun 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
32*4882a593Smuzhiyun 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
33*4882a593Smuzhiyun 	BPF_EXIT_INSN(),
34*4882a593Smuzhiyun 	},
35*4882a593Smuzhiyun 	.errstr = "R1 !read_ok",
36*4882a593Smuzhiyun 	.result = REJECT,
37*4882a593Smuzhiyun 	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
38*4882a593Smuzhiyun },
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun 	"non-invalid argument register",
41*4882a593Smuzhiyun 	.insns = {
42*4882a593Smuzhiyun 	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
43*4882a593Smuzhiyun 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
44*4882a593Smuzhiyun 	BPF_ALU64_REG(BPF_MOV, BPF_REG_1, BPF_REG_6),
45*4882a593Smuzhiyun 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
46*4882a593Smuzhiyun 	BPF_EXIT_INSN(),
47*4882a593Smuzhiyun 	},
48*4882a593Smuzhiyun 	.result = ACCEPT,
49*4882a593Smuzhiyun 	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
50*4882a593Smuzhiyun },
51