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From: Kees Cook <kees@outflux.net>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: linux-security-module@vger.kernel.org
Subject: Re: [PATCH] apparmor: Adjust offset when accessing task blob.
Date: Tue, 22 Jan 2019 09:41:28 -0800	[thread overview]
Message-ID: <20190122174128.GI5875@outflux.net> (raw)
In-Reply-To: <201901210125.x0L1PAwO046352@www262.sakura.ne.jp>

On Mon, Jan 21, 2019 at 10:25:10AM +0900, Tetsuo Handa wrote:
> AppArmor will no longer be the only user of task blob
> after TOMOYO started using task blob.
> 
> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>

I just noticed this today too! You beat me to sending the patch. ;)

Fixes: f4ad8f2c4076 ("LSM: Infrastructure management of the task security")
Acked-by: Kees Cook <keescook@chromium.org>

James, this should get into v5.0 fixes tree.

-Kees

> ---
>  security/apparmor/include/task.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/security/apparmor/include/task.h b/security/apparmor/include/task.h
> index 039c1e6..311e652 100644
> --- a/security/apparmor/include/task.h
> +++ b/security/apparmor/include/task.h
> @@ -16,7 +16,7 @@
>  
>  static inline struct aa_task_ctx *task_ctx(struct task_struct *task)
>  {
> -	return task->security;
> +	return task->security + apparmor_blob_sizes.lbs_task;
>  }
>  
>  /*
> -- 
> 1.8.3.1

-- 
Kees Cook                                            @outflux.net

  reply	other threads:[~2019-01-22 17:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-21  1:25 [PATCH] apparmor: Adjust offset when accessing task blob Tetsuo Handa
2019-01-22 17:41 ` Kees Cook [this message]
2019-01-22 22:41 ` James Morris

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