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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Kees Cook <keescook@chromium.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Konstantin Khlebnikov <koct9i@gmail.com>,
	Andy Lutomirski <luto@amacapital.net>, Jan Kara <jack@suse.cz>,
	yalin wang <yalin.wang2010@gmail.com>, Willy Tarreau <w@1wt.eu>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v9] fs: clear file privilege bits when mmap writing
Date: Wed, 25 May 2016 22:49:35 +0100	[thread overview]
Message-ID: <20160525214935.GI14480@ZenIV.linux.org.uk> (raw)
In-Reply-To: <CAGXu5j+cwZQfnSPQNjb=VVzZfJH8n=iZUCM+vz_a6nPku5tQ2g@mail.gmail.com>

On Wed, May 25, 2016 at 02:36:57PM -0700, Kees Cook wrote:

> Hm, this didn't end up getting picked up. (This jumped out at me again
> because i_mutex just vanished...)
> 
> Al, what's the right way to update the locking in this patch?

->i_mutex is dealt with just by using lock_inode(inode)/unlock_inode(inode);
I hadn't looked at the rest of the locking in there.

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  reply	other threads:[~2016-05-25 21:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-14 21:22 [PATCH v9] fs: clear file privilege bits when mmap writing Kees Cook
2016-01-15  5:55 ` Konstantin Khlebnikov
2016-01-15  6:18   ` Andy Lutomirski
2016-01-15  6:36     ` Konstantin Khlebnikov
2016-05-25 21:36   ` Kees Cook
2016-05-25 21:49     ` Al Viro [this message]
2017-01-28  3:47       ` Andy Lutomirski
2017-02-07 20:18         ` Kees Cook

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