linux-kernel - Re: [PATCH] alpha: binfmt

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Message-ID: <20090217110842.GA22272@infradead.org>
Date:	Tue, 17 Feb 2009 06:08:42 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Ivan Kokshaysky <ink@...assic.park.msu.ru>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Henderson <rth@...ddle.net>,
	Al Viro <viro@...iv.linux.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] alpha: binfmt_aout fix

On Tue, Feb 17, 2009 at 01:49:56PM +0300, Ivan Kokshaysky wrote:
> This fixes the problem introduced by commit 3bfacef412 (get rid of
> special-casing the /sbin/loader on alpha): osf/1 ecoff binary
> segfaults when binfmt_aout built as module. That happens because
> aout binary handler gets on the top of the binfmt list due to late
> registration, and kernel attempts to execute the binary without
> preparation work that must be done by binfmt_loader.

I think the proper fix for this is to make sure newly registered
binfmts are added to the tail of the list, not the front.

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