linux-kernel - Re: [RFC PATCH] fanotify, inotify, dnotify, security: add security hook for fs notifications

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Message-ID: <cb754dda-fbce-8169-4cd7-eef66e8d809e@infradead.org>
Date:   Wed, 10 Jul 2019 09:49:40 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Casey Schaufler <casey@...aufler-ca.com>,
        Aaron Goidel <acgoide@...ho.nsa.gov>, paul@...l-moore.com
Cc:     selinux@...r.kernel.org, linux-security-module@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, dhowells@...hat.com, jack@...e.cz,
        amir73il@...il.com, jmorris@...ei.org, sds@...ho.nsa.gov,
        linux-kernel@...r.kernel.org, Joe Perches <joe@...ches.com>
Subject: Re: [RFC PATCH] fanotify, inotify, dnotify, security: add security
 hook for fs notifications

On 7/10/19 9:38 AM, Casey Schaufler wrote:
> On 7/10/2019 6:34 AM, Aaron Goidel wrote:

>> @@ -3261,6 +3262,26 @@ static int selinux_inode_removexattr(struct dentry *dentry, const char *name)
>>  	return -EACCES;
>>  }
>>  
>> +static int selinux_inode_notify(struct inode *inode, u64 mask)
>> +{
>> +	u32 perm = FILE__WATCH; // basic permission, can a watch be set?
> 
> We don't use // comments in the Linux kernel.
> 

I thought that we had recently moved into the 21st century on that issue,
but I don't see it mentioned in coding-style.rst.  Maybe we need a Doc update.

checkpatch allows C99 comments by default.
Joe, do you recall about this?

thanks.
-- 
~Randy