linux-kernel - Re: aranym bug, manifests as "ida_remove called for id=13" on recent kernels

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Message-ID: <m3wrpo24u0.fsf@hase.home>
Date:	Mon, 11 Oct 2010 16:15:35 +0200
From:	Andreas Schwab <schwab@...ux-m68k.org>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Thorsten Glaser <tg@...bsd.de>, linux-kernel@...r.kernel.org,
	linux-m68k@...r.kernel.org
Subject: Re: aranym bug, manifests as "ida_remove called for id=13" on recent kernels

Al Viro <viro@...IV.linux.org.uk> writes:

> Below is what I'm using on top of mainline kernel; it's a combination of
> couple of patches in debian m68k kernel plus compile fixes.

Try Geert's linux-m68k tree.

> This kind of miscompile is definitely triggered in a lot of places -
> anything that does return ERR_PTR(error) right after error = foo(...);
> is going to get fscked and it's not a rare thing.

Only if they are optimized into tail calls.

Andreas.

-- 
Andreas Schwab, schwab@...ux-m68k.org
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