summaryrefslogtreecommitdiffstats
path: root/samples/bpf/test_verifier.c
diff options
context:
space:
mode:
Diffstat (limited to 'samples/bpf/test_verifier.c')
-rw-r--r--samples/bpf/test_verifier.c60
1 files changed, 52 insertions, 8 deletions
diff --git a/samples/bpf/test_verifier.c b/samples/bpf/test_verifier.c
index eb4bec0ad8af..b96175e90363 100644
--- a/samples/bpf/test_verifier.c
+++ b/samples/bpf/test_verifier.c
@@ -261,7 +261,7 @@ static struct bpf_test tests[] = {
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_unspec),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_EXIT_INSN(),
},
.fixup = {2},
@@ -417,7 +417,7 @@ static struct bpf_test tests[] = {
BPF_ALU64_REG(BPF_MOV, 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_unspec),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem),
BPF_EXIT_INSN(),
},
.errstr = "fd 0 is not pointing to valid bpf_map",
@@ -430,7 +430,7 @@ static struct bpf_test tests[] = {
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_unspec),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
BPF_EXIT_INSN(),
},
@@ -445,7 +445,7 @@ static struct bpf_test tests[] = {
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_unspec),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
BPF_ST_MEM(BPF_DW, BPF_REG_0, 4, 0),
BPF_EXIT_INSN(),
@@ -461,7 +461,7 @@ static struct bpf_test tests[] = {
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_unspec),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
BPF_EXIT_INSN(),
@@ -548,7 +548,7 @@ static struct bpf_test tests[] = {
BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -56),
BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_unspec),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem),
BPF_EXIT_INSN(),
},
.fixup = {24},
@@ -602,6 +602,45 @@ static struct bpf_test tests[] = {
},
.result = ACCEPT,
},
+ {
+ "jump test 5",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ },
};
static int probe_filter_length(struct bpf_insn *fp)
@@ -620,7 +659,7 @@ static int create_map(void)
long long key, value = 0;
int map_fd;
- map_fd = bpf_create_map(BPF_MAP_TYPE_UNSPEC, sizeof(key), sizeof(value), 1024);
+ map_fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), 1024);
if (map_fd < 0) {
printf("failed to create map '%s'\n", strerror(errno));
}
@@ -630,7 +669,7 @@ static int create_map(void)
static int test(void)
{
- int prog_fd, i;
+ int prog_fd, i, pass_cnt = 0, err_cnt = 0;
for (i = 0; i < ARRAY_SIZE(tests); i++) {
struct bpf_insn *prog = tests[i].insns;
@@ -657,21 +696,25 @@ static int test(void)
printf("FAIL\nfailed to load prog '%s'\n",
strerror(errno));
printf("%s", bpf_log_buf);
+ err_cnt++;
goto fail;
}
} else {
if (prog_fd >= 0) {
printf("FAIL\nunexpected success to load\n");
printf("%s", bpf_log_buf);
+ err_cnt++;
goto fail;
}
if (strstr(bpf_log_buf, tests[i].errstr) == 0) {
printf("FAIL\nunexpected error message: %s",
bpf_log_buf);
+ err_cnt++;
goto fail;
}
}
+ pass_cnt++;
printf("OK\n");
fail:
if (map_fd >= 0)
@@ -679,6 +722,7 @@ fail:
close(prog_fd);
}
+ printf("Summary: %d PASSED, %d FAILED\n", pass_cnt, err_cnt);
return 0;
}