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Date: Wed, 19 Mar 2008 21:01:15 -0700
From: Arjan van de Ven <arjan@infradead.org>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       linux-fsdevel@vger.kernel.org, bugme-daemon@bugzilla.kernel.org,
       joe@fruitfly.org
Subject: Re: [Bugme-new] [Bug 10284] New: executables with read bit 'off'
 cannot open /dev/stdin
Message-ID: <20080319210115.02915291@laptopd505.fenrus.org>
In-Reply-To: <20080320015650.GG424@parisc-linux.org>
References: <bug-10284-10286@http.bugzilla.kernel.org/>
	<20080319143108.c8f8a544.akpm@linux-foundation.org>
	<20080320015650.GG424@parisc-linux.org>
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On Wed, 19 Mar 2008 19:56:50 -0600
Matthew Wilcox <matthew@wil.cx> wrote:


> I've tried this program on 2.6.25-rc3-00093-g59e1338-dirty and it does
> not fail.
> 
> > > open("/dev/stdin", O_RDONLY)            = -1 EACCES (Permission
> > > denied)
> 
> Specifically, my tests show:
> 
> open-stdin-readable:open("/dev/stdin", O_RDONLY)            = 3
> open-stdin-unreadable:open("/dev/stdin", O_RDONLY)            = 3
> 
> Joe, can you try a more recent kernel?

another interesting question is if you're using some special LSM/security stuff..


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