linux-kernel - Re: [patch] remove MNT_NOEXEC check for PROT

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Date:	Sat, 23 Sep 2006 19:47:19 +0400
From:	Stas Sergeev <stsp@...et.ru>
To:	Ulrich Drepper <drepper@...hat.com>
Cc:	Hugh Dickins <hugh@...itas.com>, Andrew Morton <akpm@...l.org>,
	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [patch] remove MNT_NOEXEC check for PROT_EXEC mmaps

Hi.

Ulrich Drepper wrote:
> Definitely not.  The test should stay.  It does the right thing.  Yes,
> some applications might break, but this is the fault of the application.
But why exactly? They do:
shm_open();
mmap(PROT_READ|PROT_WRITE|PROT_EXEC);
and mmap fails.
Where is the fault of an app here?

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