lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Fri, 20 Nov 2020 16:58:09 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     XiaoLi Feng <xifeng@...hat.com>, linux-kernel@...r.kernel.org,
        ira.weiny@...el.com, darrick.wong@...cle.com
Cc:     Xiaoli Feng <fengxiaoli0714@...il.com>
Subject: Re: [PATCH] fs/stat: set attributes_mask for STATX_ATTR_DAX

Hi,

I don't know this code, but:

On 11/20/20 4:33 PM, XiaoLi Feng wrote:
> From: Xiaoli Feng <fengxiaoli0714@...il.com>
> 
> keep attributes and attributes_mask are consistent for
> STATX_ATTR_DAX.
> ---
>  fs/stat.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/stat.c b/fs/stat.c
> index dacecdda2e79..914a61d256b0 100644
> --- a/fs/stat.c
> +++ b/fs/stat.c
> @@ -82,7 +82,7 @@ int vfs_getattr_nosec(const struct path *path, struct kstat *stat,
>  
>  	if (IS_DAX(inode))
>  		stat->attributes |= STATX_ATTR_DAX;
> -
> +	stat->attributes_mask |= STATX_ATTR_DAX;

Why shouldn't that be:

	if (IS_DAX(inode))
		stat->attributes_mask |= STATX_ATTR_DAX;

or combine them, like this:

	if (IS_DAX(inode)) {
		stat->attributes |= STATX_ATTR_DAX;
		stat->attributes_mask |= STATX_ATTR_DAX;
	}


and no need to delete that blank line.

>  	if (inode->i_op->getattr)
>  		return inode->i_op->getattr(path, stat, request_mask,
>  					    query_flags);
> 

thanks.
-- 
~Randy

Powered by blists - more mailing lists