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From: carbonated beverage <ramune@net-ronin.org>
To: linux-kernel@vger.kernel.org
Subject: capable open_port() check wrong for kmem
Date: Mon, 9 Dec 2002 19:22:43 -0800	[thread overview]
Message-ID: <20021210032242.GA17583@net-ronin.org> (raw)

hi all,

	I found that I can't open /dev/kmem O_RDONLY.  The open_mem
and open_kmem calls (open_port()) in drivers/char/mem.c checks for
CAP_SYS_RAWIO.

	Is there a possibility of splitting that off into a read and
write pair, i.e. CAP_SYS_RAWIO_WRITE, CAP_SYS_RAWIO_READ?

	If not, is there a way to grant read-only access to /dev/kmem?

-- DN
Daniel

             reply	other threads:[~2002-12-10  3:17 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-10  3:22 carbonated beverage [this message]
2002-12-10  5:45 ` capable open_port() check wrong for kmem David Wagner
2002-12-10  6:27   ` David Schwartz
     [not found]   ` <20021210064134.GA17928@net-ronin.org>
2002-12-10  6:51     ` carbonated beverage
2002-12-12  0:43       ` Chris Wright
2002-12-12  1:38         ` carbonated beverage
2002-12-12  2:11           ` Chris Wright
2002-12-10 11:33 ` Olaf Dietsche
2002-12-11 22:38   ` carbonated beverage

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