linux-kernel - Re: [PATCH v2] integrity: eliminate unnecessary "Problem loading X.509 certificate" msg

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Date: Fri, 16 Feb 2024 19:10:41 +0800
From: Coiby Xu <coxu@...hat.com>
To: Mimi Zohar <zohar@...ux.ibm.com>, linux-integrity@...r.kernel.org
Cc: itrymybest80@...tonmail.com, Eric Snowberg <eric.snowberg@...cle.com>, 
	Dmitry Kasatkin <dmitry.kasatkin@...il.com>, Paul Moore <paul@...l-moore.com>, 
	James Morris <jmorris@...ei.org>, "Serge E. Hallyn" <serge@...lyn.com>, 
	Jarkko Sakkinen <jarkko@...nel.org>, 
	"open list:SECURITY SUBSYSTEM" <linux-security-module@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] integrity: eliminate unnecessary "Problem loading
 X.509 certificate" msg

Hi Mimi,

Could you take a look at this version of patch? If it escaped your
attention because it got buried in the same thread, sorry for that. And
I won't send new version as a reply to previous version in the future.

On Tue, Jan 09, 2024 at 08:24:28AM +0800, Coiby Xu wrote:
>Currently when the kernel fails to add a cert to the .machine keyring,
>it will throw an error immediately in the function integrity_add_key.
>
>Since the kernel will try adding to the .platform keyring next or throw
>an error (in the caller of integrity_add_key i.e. add_to_machine_keyring),
>so there is no need to throw an error immediately in integrity_add_key.
>
>Reported-by: itrymybest80@...tonmail.com
>Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2239331
>Fixes: d19967764ba8 ("integrity: Introduce a Linux keyring called machine")
>Reviewed-by: Eric Snowberg <eric.snowberg@...cle.com>
>Signed-off-by: Coiby Xu <coxu@...hat.com>
>---
>v2
> - improve patch subject [Mimi]
> - add Fixes tag [Jarkko]
> - add Reviewed-by tag from Eric
>---
> security/integrity/digsig.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
>diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
>index df387de29bfa..45c3e5dda355 100644
>--- a/security/integrity/digsig.c
>+++ b/security/integrity/digsig.c
>@@ -179,7 +179,8 @@ static int __init integrity_add_key(const unsigned int id, const void *data,
> 				   KEY_ALLOC_NOT_IN_QUOTA);
> 	if (IS_ERR(key)) {
> 		rc = PTR_ERR(key);
>-		pr_err("Problem loading X.509 certificate %d\n", rc);
>+		if (id != INTEGRITY_KEYRING_MACHINE)
>+			pr_err("Problem loading X.509 certificate %d\n", rc);
> 	} else {
> 		pr_notice("Loaded X.509 cert '%s'\n",
> 			  key_ref_to_ptr(key)->description);
>-- 
>2.43.0
>

-- 
Best regards,
Coiby