From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-relay-canonical-0.canonical.com (smtp-relay-canonical-0.canonical.com [185.125.188.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 019CB201268; Wed, 14 May 2025 12:01:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.125.188.120 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747224065; cv=none; b=P2PJ1Q/5lq0KT6Mrs4XGE/HpMZ0BX/OqkLzmiUaFONGL398xyiAVLdx+yKDrPuYMl+1/qZABxSddu6kFT7djONJG+uo9PrhasoNB6CEeDGyVeUZ9WQMVnVIHTlFVlBHS7w2//WXIjaon/fM8v7iVbuupqz5fIqsK7hKuHEftmKg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747224065; c=relaxed/simple; bh=idowk7YFWpi73S0m9cff0MrWRxSGHUW7gd6GkZqTaF4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=HURjphyBzUqGtB4gzcwZ5+87w/5BKGpz8ClSZK37uOP2+PpGAmYXH7xCNDzQOKWz3ATBWYudCAkWQ6aYcOECkSeIX8RyeUkDoPdrICJPVGcXaIJjNAA2im/RMmX1WXptdJFZO76j/PGFyCK3dWJ3PWW0MdswvCODwuX3Xoj4AqE= ARC-Authentication-Results:i=1; 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s=20210705; t=1747224061; bh=zXQwntXwNt2ZWhKbv8QarNIDxC5KKobIQVoeL61PihI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=pkcIxFvDLV9Q8enfkDeB4/5apWjF1PV/4bYaHjhiUEliY4u+2N74/UucwCBGo29Sh Xzm3amvJkloS0Wn6FwHc3ocmn31R3BIiWqgteXhCme8KuDeGQtE62zQ7qj1K9UhCb2 U0oHvT4mdXEUWr7DEeAZa5tHy3KLiXvoFoHr/uOZG3LKprGoGxDBFXPLi+h5YAX2nr cufHaGaUXAboCQzIzSU45yqm+abpge0oFNbZVFItgS+i/9goGYgJDbuWoCEiI8UAIF cN/3dFqz1bdjiCk0zCft8mjDi89Trc7wKgKWVa2ktX76oasC28IPh0TzZ/fYFcWOgN 43CYsfC3V8caQ== Message-ID: Date: Wed, 14 May 2025 05:01:00 -0700 Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 16/29] lsm: output available LSMs when debugging To: Paul Moore , linux-security-module@vger.kernel.org, linux-integrity@vger.kernel.org, selinux@vger.kernel.org Cc: Mimi Zohar , Roberto Sassu , Fan Wu , =?UTF-8?Q?Micka=C3=ABl_Sala=C3=BCn?= , =?UTF-8?Q?G=C3=BCnther_Noack?= , Kees Cook , Micah Morton , Casey Schaufler , Tetsuo Handa References: <20250409185019.238841-31-paul@paul-moore.com> <20250409185019.238841-47-paul@paul-moore.com> Content-Language: en-US From: John Johansen Autocrypt: addr=john.johansen@canonical.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 4/9/25 11:50, Paul Moore wrote: > This will display all of the LSMs built into the kernel, regardless > of if they are enabled or not. > > Signed-off-by: Paul Moore Reviewed-by: John Johansen > --- > security/lsm_init.c | 19 ++++++++++++++++++- > 1 file changed, 18 insertions(+), 1 deletion(-) > > diff --git a/security/lsm_init.c b/security/lsm_init.c > index aba1253ffc4c..8e00afeb84cf 100644 > --- a/security/lsm_init.c > +++ b/security/lsm_init.c > @@ -363,6 +363,8 @@ int __init early_security_init(void) > { > struct lsm_info *lsm; > > + /* NOTE: lsm_pr_dbg() doesn't work here as lsm_debug is not yet set */ > + > lsm_early_for_each_raw(lsm) { > lsm_enabled_set(lsm, true); > lsm_order_append(lsm, "early"); > @@ -385,9 +387,24 @@ int __init security_init(void) > struct lsm_info **lsm; > > if (lsm_debug) { > - lsm_pr("built-in LSM list: %s\n", lsm_order_builtin); > + struct lsm_info *i; > + > + cnt = 0; > + lsm_pr("available LSMs: "); > + lsm_early_for_each_raw(i) > + lsm_pr_cont("%s%s(E)", (cnt++ ? "," : ""), i->id->name); > + lsm_for_each_raw(i) > + lsm_pr_cont("%s%s", (cnt++ ? "," : ""), i->id->name); > + lsm_pr_cont("\n"); > + > + lsm_pr("built-in LSM config: %s\n", lsm_order_builtin); > + > lsm_pr("legacy LSM parameter: %s\n", lsm_order_legacy); > lsm_pr("boot LSM parameter: %s\n", lsm_order_cmdline); > + > + /* see the note about lsm_pr_dbg() in early_security_init() */ > + lsm_early_for_each_raw(i) > + lsm_pr("enabled LSM early:%s\n", i->id->name); > } > > if (lsm_order_cmdline) {