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selftests/bpf: Make reference_tracking test use subtests 

reference_tracking is actually a set of 9 sub-tests. Make it explicitly so.

Also, add explicit "classifier/" prefix to BPF program section names to
let libbpf correctly guess program type. Thus, also remove explicit
bpf_prog__set_type() call.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191021033902.3856966-7-andriin@fb.com
This commit is contained in:
Andrii Nakryiko 2019-10-20 20:39:01 -07:00 committed by Daniel Borkmann
parent f90415e960
commit 8af1c8b8d6
2 changed files with 11 additions and 10 deletions
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3
tools/testing/selftests/bpf/prog_tests/reference_tracking.c
View File

@ -31,7 +31,8 @@ void test_reference_tracking(void)
if (strstr(title, ".text") != NULL)
continue;
bpf_program__set_type(prog, BPF_PROG_TYPE_SCHED_CLS);
if (!test__start_subtest(title))
continue;
/* Expect verifier failure if test name has 'fail' */
if (strstr(title, "fail") != NULL) {

18
tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
View File

@ -53,7 +53,7 @@ static struct bpf_sock_tuple *get_tuple(void *data, __u64 nh_off,
return result;
}
SEC("sk_lookup_success")
SEC("classifier/sk_lookup_success")
int bpf_sk_lookup_test0(struct __sk_buff *skb)
{
void *data_end = (void *)(long)skb->data_end;
@ -78,7 +78,7 @@ int bpf_sk_lookup_test0(struct __sk_buff *skb)
return sk ? TC_ACT_OK : TC_ACT_UNSPEC;
}
SEC("sk_lookup_success_simple")
SEC("classifier/sk_lookup_success_simple")
int bpf_sk_lookup_test1(struct __sk_buff *skb)
{
struct bpf_sock_tuple tuple = {};
@ -90,7 +90,7 @@ int bpf_sk_lookup_test1(struct __sk_buff *skb)
return 0;
}
SEC("fail_use_after_free")
SEC("classifier/fail_use_after_free")
int bpf_sk_lookup_uaf(struct __sk_buff *skb)
{
struct bpf_sock_tuple tuple = {};
@ -105,7 +105,7 @@ int bpf_sk_lookup_uaf(struct __sk_buff *skb)
return family;
}
SEC("fail_modify_sk_pointer")
SEC("classifier/fail_modify_sk_pointer")
int bpf_sk_lookup_modptr(struct __sk_buff *skb)
{
struct bpf_sock_tuple tuple = {};
@ -120,7 +120,7 @@ int bpf_sk_lookup_modptr(struct __sk_buff *skb)
return 0;
}
SEC("fail_modify_sk_or_null_pointer")
SEC("classifier/fail_modify_sk_or_null_pointer")
int bpf_sk_lookup_modptr_or_null(struct __sk_buff *skb)
{
struct bpf_sock_tuple tuple = {};
@ -134,7 +134,7 @@ int bpf_sk_lookup_modptr_or_null(struct __sk_buff *skb)
return 0;
}
SEC("fail_no_release")
SEC("classifier/fail_no_release")
int bpf_sk_lookup_test2(struct __sk_buff *skb)
{
struct bpf_sock_tuple tuple = {};
@ -143,7 +143,7 @@ int bpf_sk_lookup_test2(struct __sk_buff *skb)
return 0;
}
SEC("fail_release_twice")
SEC("classifier/fail_release_twice")
int bpf_sk_lookup_test3(struct __sk_buff *skb)
{
struct bpf_sock_tuple tuple = {};
@ -155,7 +155,7 @@ int bpf_sk_lookup_test3(struct __sk_buff *skb)
return 0;
}
SEC("fail_release_unchecked")
SEC("classifier/fail_release_unchecked")
int bpf_sk_lookup_test4(struct __sk_buff *skb)
{
struct bpf_sock_tuple tuple = {};
@ -172,7 +172,7 @@ void lookup_no_release(struct __sk_buff *skb)
bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
}
SEC("fail_no_release_subcall")
SEC("classifier/fail_no_release_subcall")
int bpf_sk_lookup_test5(struct __sk_buff *skb)
{
lookup_no_release(skb);