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Date: Wed, 12 Jun 2002 18:26:55 -0400 (EDT)
From: Alexander Viro <viro@math.psu.edu>
To: Benjamin LaHaise <bcrl@redhat.com>
cc: Dawson Engler <engler@csl.Stanford.EDU>, linux-kernel@vger.kernel.org,
        mc@cs.Stanford.EDU
Subject: Re: [CHECKER] 37 stack variables >= 1K in 2.4.17
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On Wed, 12 Jun 2002, Benjamin LaHaise wrote:

> On Sun, Jun 09, 2002 at 08:56:30PM -0700, Dawson Engler wrote:
> > Here are 37 errors where variables >= 1024 bytes are allocated on a function's
> > stack.
> 
> Is it possible to get checker to determine the stack depth of a worst 
> case call chain (excluding interrupts)?  I've found that deep call chains 
> are far more likely to cause stack overflows than short and bounded paths.

Not realistic - we have a recursion through the ->follow_link(), and
a lot of stuff can be called from ->follow_link().  We _do_ have a
limit on depth of recursion here, but it won't be fun to deal with.

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