Re: [CHECKER] 37 stack variables >= 1K in 2.4.17

From: Alexander Viro (viro@math.psu.edu)
Date: Thu Jun 13 2002 - 01:59:37 EST


On Wed, 12 Jun 2002, Dawson Engler wrote:

> > 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.
>
> You mean following function pointers is not realistic? Actually the
> function pointers in linxu are pretty easy to deal with since, by
> and large, they are set by static structure initialization and not
> really fussed with afterwards.

I mean that due to the loop (link_path_walk->do_follow_link->foofs_follow_link
->vfs_follow_link->link_path_walk) you will get infinite maximal depth
for everything that can be called by any of these functions. And that's
a _lot_ of stuff.

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