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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Daniel Borkmann <daniel@iogearbox.net>
Cc: Kees Cook <keescook@chromium.org>,
	Shmulik Ladkani <shmulik.ladkani@gmail.com>,
	Willem de Bruijn <willemb@google.com>,
	Pablo Neira Ayuso <pablo@netfilter.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	David Miller <davem@davemloft.net>,
	LKML <linux-kernel@vger.kernel.org>,
	Network Development <netdev@vger.kernel.org>,
	Christoph Hellwig <hch@infradead.org>,
	Thomas Garnier <thgarnie@google.com>,
	Jann Horn <jannh@google.com>
Subject: Re: netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'
Date: Sat, 2 Dec 2017 18:48:50 +0000	[thread overview]
Message-ID: <20171202184850.GQ21978@ZenIV.linux.org.uk> (raw)
In-Reply-To: <7bbe72a8-dbbe-3343-765d-cc53eb40e0cd@iogearbox.net>

On Fri, Dec 01, 2017 at 09:47:00PM +0100, Daniel Borkmann wrote:

> > Might want to replace security_path_mknod() with something saner, while we are
> > at it.
> > 
> > Objections?
> 
> No, thanks for looking into this, and sorry for this fugly hack! :( Not
> that this doesn't make it any better, but I think back then I took it
> over from mqueue implementation ... should have known better and looking
> into making this generic instead, sigh. The above looks good to me, so
> no objections from my side and thanks for working on it!
> 
> > PS: mqueue.c would also benefit from such primitive - do_create() there would
> > simply pass attr as callback's argument into vfs_mkobj(), with callback being
> > the guts of mqueue_create()...

OK...  See vfs.git#untested.mkobj; it really needs testing, though - mq_open(2)
passes LTP tests, but that's not saying much, and BPF side is completely
untested.

  reply	other threads:[~2017-12-02 18:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-01  0:57 netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1' Kees Cook
2017-12-01  1:33 ` Al Viro
2017-12-01  3:48   ` Al Viro
2017-12-01  4:54     ` Al Viro
2017-12-01 17:39       ` Al Viro
2017-12-01 20:47         ` Daniel Borkmann
2017-12-02 18:48           ` Al Viro [this message]
2017-12-02 22:08             ` Al Viro
2017-12-03  4:22               ` Willem de Bruijn
2017-12-04  9:57             ` Daniel Borkmann
     [not found]       ` <CA+55aFx4WEm5Feu7S8Z_73Gfsym6aBFpT3iGZXS5QyMQvgkWtA@mail.gmail.com>
2017-12-01 20:13         ` Daniel Borkmann
2017-12-01 21:34     ` Daniel Borkmann

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