From: Andi Kleen <andi@firstfloor.org>
To: "Berger\, Lutz \(External\)" <Lutz.Berger.External@eads.com>
Cc: <linux-kernel@vger.kernel.org>, "Denninghoff\,
Sven Dr. \(External\)" <Sven.Denninghoff.External@eads.com>,
"Maehner\,
Herbert \(External\)" <Herbert.Maehner.External@eads.com>
Subject: Re: FW: FW: mq_open
Date: Fri, 06 Aug 2010 12:30:34 +0200 [thread overview]
Message-ID: <87k4o4c9th.fsf@basil.nowhere.org> (raw)
In-Reply-To: <3388F73401504041BD8F7132BAE2C7D41F0812@GSX201B.mxchg.m.corp> (Lutz Berger's message of "Fri, 6 Aug 2010 07:42:15 +0200")
"Berger, Lutz (External)" <Lutz.Berger.External@eads.com> writes:
>
> Hello gentleman,
>
> we have a problem with
> mq_open, shm_open and sem_open
>
> As stated in the manpage of "open(2)", the
> permissions of the created file are (mode & ~umask).
>
> But what is the use of the mode parameter, it it is not used like the programmers intention?
> On HP Unix or TRU64 the mode parameter is not modified.
>
> Could you please check, if this is a bug or a faulty system design on linux?
Whatever it is -- it would be dangerous to change because suddenly
ignoring umask could add security problems to existing software.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
prev parent reply other threads:[~2010-08-06 10:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-06 5:42 FW: FW: mq_open Berger, Lutz (External)
2010-08-06 10:30 ` Andi Kleen [this message]
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