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authorJiri Kosina <jkosina@suse.cz>2023-11-01 02:07:35 +0300
committerJiri Kosina <jkosina@suse.cz>2023-11-01 02:07:35 +0300
commit20cd569d7ee8fce24e8753f0f43af6c420557b1f (patch)
treef559cfda594846795aa51c99d96f92d8c912851a /tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
parent62cc9c3cb3ec1bf31cc116146185ed97b450836a (diff)
parenteeebfe6259ba2d5b0980eb7b0df384eb77e9e4f5 (diff)
downloadlinux-20cd569d7ee8fce24e8753f0f43af6c420557b1f.tar.xz
Merge branch 'for-6.7/config_pm' into for-linus
- #ifdef CONFIG_PM removal from HID code (Thomas Weißschuh)
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
index 179fe300534f..4041cfa670eb 100644
--- a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
+++ b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
@@ -3,6 +3,7 @@
#include "kprobe_multi.skel.h"
#include "trace_helpers.h"
#include "kprobe_multi_empty.skel.h"
+#include "kprobe_multi_override.skel.h"
#include "bpf/libbpf_internal.h"
#include "bpf/hashmap.h"
@@ -453,6 +454,40 @@ cleanup:
}
}
+static void test_attach_override(void)
+{
+ struct kprobe_multi_override *skel = NULL;
+ struct bpf_link *link = NULL;
+
+ skel = kprobe_multi_override__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "kprobe_multi_empty__open_and_load"))
+ goto cleanup;
+
+ /* The test_override calls bpf_override_return so it should fail
+ * to attach to bpf_fentry_test1 function, which is not on error
+ * injection list.
+ */
+ link = bpf_program__attach_kprobe_multi_opts(skel->progs.test_override,
+ "bpf_fentry_test1", NULL);
+ if (!ASSERT_ERR_PTR(link, "override_attached_bpf_fentry_test1")) {
+ bpf_link__destroy(link);
+ goto cleanup;
+ }
+
+ /* The should_fail_bio function is on error injection list,
+ * attach should succeed.
+ */
+ link = bpf_program__attach_kprobe_multi_opts(skel->progs.test_override,
+ "should_fail_bio", NULL);
+ if (!ASSERT_OK_PTR(link, "override_attached_should_fail_bio"))
+ goto cleanup;
+
+ bpf_link__destroy(link);
+
+cleanup:
+ kprobe_multi_override__destroy(skel);
+}
+
void serial_test_kprobe_multi_bench_attach(void)
{
if (test__start_subtest("kernel"))
@@ -480,4 +515,6 @@ void test_kprobe_multi_test(void)
test_attach_api_syms();
if (test__start_subtest("attach_api_fails"))
test_attach_api_fails();
+ if (test__start_subtest("attach_override"))
+ test_attach_override();
}