Re: request_queue use-after-free - inode_detach_wb()

From	Tejun Heo <tj@kernel.org>
Newsgroups	linux.kernel
Subject	Re: request_queue use-after-free - inode_detach_wb()
Date	2015-11-19 23:20 +0100
Message-ID	<qwFIC-6YF-25@gated-at.bofh.it> (permalink)
References	(3 earlier) <qwcZY-4Lu-27@gated-at.bofh.it> <qwd9E-4Pa-27@gated-at.bofh.it> <qwEtb-5WV-11@gated-at.bofh.it> <qwEMx-6ku-17@gated-at.bofh.it> <qwFpg-6AK-31@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hello,

On Thu, Nov 19, 2015 at 10:56:43PM +0100, Ilya Dryomov wrote:
> Detaching the inode earlier is what I suggested in the first email, but
> I didn't know if this kind of special casing was OK.  I'll try it out.

Yeah, I was confused.  Sorry about that.  On the surface, it looks
like a special case but everything around bdev is special case anyway
and looking at the underlying lifetime rules, I think this is the
right thing to do.

Thanks.

-- 
tejun
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Re: request_queue use-after-free - inode_detach_wb() Tejun Heo <tj@kernel.org> - 2015-11-17 22:00 +0100
  Re: request_queue use-after-free - inode_detach_wb() Ilya Dryomov <idryomov@gmail.com> - 2015-11-18 16:20 +0100
    Re: request_queue use-after-free - inode_detach_wb() Tejun Heo <tj@kernel.org> - 2015-11-18 16:40 +0100
      Re: request_queue use-after-free - inode_detach_wb() Ilya Dryomov <idryomov@gmail.com> - 2015-11-18 16:50 +0100
        Re: request_queue use-after-free - inode_detach_wb() Tejun Heo <tj@kernel.org> - 2015-11-18 17:00 +0100
        Re: request_queue use-after-free - inode_detach_wb() Ilya Dryomov <idryomov@gmail.com> - 2015-11-19 22:00 +0100
          Re: request_queue use-after-free - inode_detach_wb() Tejun Heo <tj@kernel.org> - 2015-11-19 22:20 +0100
            Re: request_queue use-after-free - inode_detach_wb() Ilya Dryomov <idryomov@gmail.com> - 2015-11-19 23:00 +0100
              Re: request_queue use-after-free - inode_detach_wb() Tejun Heo <tj@kernel.org> - 2015-11-19 23:20 +0100

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