linux-kernel - Re: [PATCH v2] core: dev: don't call BUG() on bad input

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Message-Id: <20110214.112521.104056910.davem@davemloft.net>
Date:	Mon, 14 Feb 2011 11:25:21 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	segoon@...nwall.com
Cc:	adobriyan@...il.com, linux-kernel@...r.kernel.org,
	eric.dumazet@...il.com, therbert@...gle.com, xiaosuo@...il.com,
	jesse@...ira.com, netdev@...r.kernel.org
Subject: Re: [PATCH v2] core: dev: don't call BUG() on bad input

From: Vasiliy Kulikov <segoon@...nwall.com>
Date: Mon, 14 Feb 2011 18:23:10 +0300

> On Mon, Feb 14, 2011 at 17:16 +0200, Alexey Dobriyan wrote:
>> Netdevice name isn't some random junk you get from userspace, so BUG is fine.
> 
> It IS for bluetooth, see net/bluetooth/bnep/core.c: bnep_add_connection() and
> net/bluetooth/bnep/sock.c: bnep_sock_ioctl(). 

If bluetooth wants to allow something so foolish, then it's bluetooth's
responsibility to sanity check the arguments before blinding passing
them into kernel APIs which expect sane inputs.

I'm not applying this.
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