selftests/bpf: Rename reference_tracking BPF programs

BPF programs for reference_tracking selftest use "fail_" prefix to notify that
they are expected to fail. This is really confusing and inconvenient when
trying to grep through test_progs output to find *actually* failed tests. So
rename the prefix from "fail_" to "err_".

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210805230734.437914-1-andrii@kernel.org

diff --git a/tools/testing/selftests/bpf/prog_tests/reference_tracking.c b/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
index de26881..4e91f4d 100644 (file)
--- a/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
+++ b/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
@@ -34,8 +34,8 @@ void test_reference_tracking(void)
                if (!test__start_subtest(title))
                        continue;
 
-               /* Expect verifier failure if test name has 'fail' */
-               if (strstr(title, "fail") != NULL) {
+               /* Expect verifier failure if test name has 'err' */
+               if (strstr(title, "err_") != NULL) {
                        libbpf_print_fn_t old_print_fn;
 
                        old_print_fn = libbpf_set_print(NULL);

diff --git a/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c b/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
index e83d0b4..8249075 100644 (file)
--- a/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
@@ -91,7 +91,7 @@ int bpf_sk_lookup_test1(struct __sk_buff *skb)
        return 0;
 }
 
-SEC("classifier/fail_use_after_free")
+SEC("classifier/err_use_after_free")
 int bpf_sk_lookup_uaf(struct __sk_buff *skb)
 {
        struct bpf_sock_tuple tuple = {};
@@ -106,7 +106,7 @@ int bpf_sk_lookup_uaf(struct __sk_buff *skb)
        return family;
 }
 
-SEC("classifier/fail_modify_sk_pointer")
+SEC("classifier/err_modify_sk_pointer")
 int bpf_sk_lookup_modptr(struct __sk_buff *skb)
 {
        struct bpf_sock_tuple tuple = {};
@@ -121,7 +121,7 @@ int bpf_sk_lookup_modptr(struct __sk_buff *skb)
        return 0;
 }
 
-SEC("classifier/fail_modify_sk_or_null_pointer")
+SEC("classifier/err_modify_sk_or_null_pointer")
 int bpf_sk_lookup_modptr_or_null(struct __sk_buff *skb)
 {
        struct bpf_sock_tuple tuple = {};
@@ -135,7 +135,7 @@ int bpf_sk_lookup_modptr_or_null(struct __sk_buff *skb)
        return 0;
 }
 
-SEC("classifier/fail_no_release")
+SEC("classifier/err_no_release")
 int bpf_sk_lookup_test2(struct __sk_buff *skb)
 {
        struct bpf_sock_tuple tuple = {};
@@ -144,7 +144,7 @@ int bpf_sk_lookup_test2(struct __sk_buff *skb)
        return 0;
 }
 
-SEC("classifier/fail_release_twice")
+SEC("classifier/err_release_twice")
 int bpf_sk_lookup_test3(struct __sk_buff *skb)
 {
        struct bpf_sock_tuple tuple = {};
@@ -156,7 +156,7 @@ int bpf_sk_lookup_test3(struct __sk_buff *skb)
        return 0;
 }
 
-SEC("classifier/fail_release_unchecked")
+SEC("classifier/err_release_unchecked")
 int bpf_sk_lookup_test4(struct __sk_buff *skb)
 {
        struct bpf_sock_tuple tuple = {};
@@ -173,7 +173,7 @@ void lookup_no_release(struct __sk_buff *skb)
        bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
 }
 
-SEC("classifier/fail_no_release_subcall")
+SEC("classifier/err_no_release_subcall")
 int bpf_sk_lookup_test5(struct __sk_buff *skb)
 {
        lookup_no_release(skb);