linux-kernel - Re: [PATCH] evm: Complete description of evm_inode

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Date:   Mon, 05 Jun 2023 13:57:37 +0200
From:   Roberto Sassu <roberto.sassu@...weicloud.com>
To:     zohar@...ux.ibm.com, dmitry.kasatkin@...il.com,
        paul@...l-moore.com, jmorris@...ei.org, serge@...lyn.com
Cc:     linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Roberto Sassu <roberto.sassu@...wei.com>
Subject: Re: [PATCH] evm: Complete description of evm_inode_setattr()

On Mon, 2023-03-06 at 11:40 +0100, Roberto Sassu wrote:
> From: Roberto Sassu <roberto.sassu@...wei.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@...wei.com>

Hi Mimi

this probably got lost. It was also reviewed by Stefan:

Reviewed-by: Stefan Berger <stefanb@...ux.ibm.com>

Could you please take it?

Thanks

Roberto

> ---
>  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 cf24c525558..b1c2197473a 100644
> --- a/security/integrity/evm/evm_main.c
> +++ b/security/integrity/evm/evm_main.c
> @@ -795,7 +795,9 @@ 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.