linux-kernel - Re: [PATCH] tomoyo: Avoid potential null pointer access

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Message-ID: <59e0abdd-88a9-6269-9cd1-0f65792784ec@i-love.sakura.ne.jp>
Date:   Thu, 26 Nov 2020 15:57:46 +0900
From:   Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
To:     Zheng Zengkai <zhengzengkai@...wei.com>
Cc:     linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, jmorris@...ei.org, serge@...lyn.com,
        weiyongjun1@...wei.com
Subject: Re: [PATCH] tomoyo: Avoid potential null pointer access

On 2020/11/26 15:33, Zheng Zengkai wrote:
> As your say,  I found the function tomoyo_assign_namespace( )
> 
> in security/tomoyo/domain.c has the similar situation,
> 
> Can I add __GFP_NOWARN for both and remove the null check for _entry_ in tomoyo_assign_namespace( )?
> 

Good catch. Yes, please send as a patch.