linux-kernel - Re: [PATCH] cgroup: limit max copied char length for cgroup file name

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Date:   Tue, 12 Dec 2017 09:19:01 +0800
From:   Ma Shimiao <mashimiao.fnst@...fujitsu.com>
To:     Tejun Heo <tj@...nel.org>
CC:     <lizefan@...wei.com>, <cgroups@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cgroup: limit max copied char length for cgroup file name

On 12/11/2017 11:05 PM, Tejun Heo wrote:
> On Sat, Dec 09, 2017 at 01:47:58PM +0800, Ma Shimiao wrote:
>> the result of cgroup_file_name will be used by kernfs_remove_name,
>> and then by kernfs_remove_by_name_ns().
>> If reached the max length, may have problem printed by WARN() in
>> kernfs_remove_by_name_ns().
>>
>> Signed-off-by: Ma Shimiao <mashimiao.fnst@...fujitsu.com>
> 
> Can we use strscpy() instead?

OK, I will update the patch
> 
> Thanks.
> 


-- 
Ma Shimiao
Development Dept.I
Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)