Commit e697d8dc authored by Jiri Olsa's avatar Jiri Olsa Committed by Alexei Starovoitov

selftests/bpf: Add kprobe_multi check to module attach test

Adding test that makes sure the kernel module won't be removed
if there's kprobe multi link defined on top of it.
Acked-by: default avatarSong Liu <song@kernel.org>
Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20221025134148.3300700-8-jolsa@kernel.orgSigned-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent fee356ed
......@@ -103,6 +103,13 @@ void test_module_attach(void)
ASSERT_ERR(delete_module("bpf_testmod", 0), "delete_module");
bpf_link__destroy(link);
link = bpf_program__attach(skel->progs.kprobe_multi);
if (!ASSERT_OK_PTR(link, "attach_kprobe_multi"))
goto cleanup;
ASSERT_ERR(delete_module("bpf_testmod", 0), "delete_module");
bpf_link__destroy(link);
cleanup:
test_module_attach__destroy(skel);
}
......@@ -110,4 +110,10 @@ int BPF_PROG(handle_fmod_ret,
return 0; /* don't override the exit code */
}
SEC("kprobe.multi/bpf_testmod_test_read")
int BPF_PROG(kprobe_multi)
{
return 0;
}
char _license[] SEC("license") = "GPL";
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment