Message-ID: <f604ce5c7a535755a56736395a82220f65bcbc3f.camel@huaweicloud.com>
Subject: Re: [PATCH 11/28] evm: Complete description of evm_inode_setattr()
From:   Roberto Sassu <roberto.sassu@huaweicloud.com>
To:     Stefan Berger <stefanb@linux.ibm.com>, viro@zeniv.linux.org.uk,
        chuck.lever@oracle.com, jlayton@kernel.org, zohar@linux.ibm.com,
        dmitry.kasatkin@gmail.com, paul@paul-moore.com, jmorris@namei.org,
        serge@hallyn.com, dhowells@redhat.com, jarkko@kernel.org,
        stephen.smalley.work@gmail.com, eparis@parisplace.org,
        casey@schaufler-ca.com, brauner@kernel.org
Cc:     linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org,
        linux-integrity@vger.kernel.org,
        linux-security-module@vger.kernel.org, keyrings@vger.kernel.org,
        selinux@vger.kernel.org, linux-kernel@vger.kernel.org,
        Roberto Sassu <roberto.sassu@huawei.com>
Date:   Tue, 07 Mar 2023 09:58:14 +0100
In-Reply-To: <ecb168e5-e85f-73ee-7bc4-c13d0ea8811e@linux.ibm.com>
References: <20230303181842.1087717-1-roberto.sassu@huaweicloud.com>
         <20230303181842.1087717-12-roberto.sassu@huaweicloud.com>
         <ecb168e5-e85f-73ee-7bc4-c13d0ea8811e@linux.ibm.com>
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On Mon, 2023-03-06 at 12:04 -0500, Stefan Berger wrote:
> 
> On 3/3/23 13:18, Roberto Sassu wrote:
> > From: Roberto Sassu <roberto.sassu@huawei.com>
> > 
> > Add the description for missing parameters of evm_inode_setattr() to
> > avoid the warning arising with W=n compile option.
> > 
> > Fixes: 817b54aa45db ("evm: add evm_inode_setattr to prevent updating an invalid security.evm")
> > Fixes: c1632a0f1120 ("fs: port ->setattr() to pass mnt_idmap")
> > Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
> 
> Among the previous patches I think there were 2 fixes like this one you could possibly also split off.

Didn't find it.

Thanks

Roberto

> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
> > ---
> >   security/integrity/evm/evm_main.c | 2 ++
> >   1 file changed, 2 insertions(+)
> > 
> > diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
> > index 1155a58ae87..8b5c472f78b 100644
> > --- a/security/integrity/evm/evm_main.c
> > +++ b/security/integrity/evm/evm_main.c
> > @@ -798,7 +798,9 @@ static int evm_attr_change(struct mnt_idmap *idmap,
> >   
> >   /**
> >    * evm_inode_setattr - prevent updating an invalid EVM extended attribute
> > + * @idmap: idmap of the mount
> >    * @dentry: pointer to the affected dentry
> > + * @attr: iattr structure containing the new file attributes
> >    *
> >    * Permit update of file attributes when files have a valid EVM signature,
> >    * except in the case of them having an immutable portable signature.