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    SubjectRe: [PATCH] Configure option for symlink depth



    On Mon, 22 Nov 1999, Alexander Viro wrote:

    >
    >
    > On Mon, 22 Nov 1999, Johannes Kloos wrote:
    >
    > > Hello everybody,
    > > I've written a small patch that allows you to set the maximum symlink
    > > depth as a configure option.
    > > It will probably not break anything, but if it causes bugs, I'd like to
    > > head about these.
    > > Btw: I think this should really go into /proc or so.
    >
    > Not really. Real fix for symlink problems is to cut down on the amount of
    > stack space used by the recursion in question. I have it an we can push
    > the limit to tolerable 32. I will post the thing once I'll run the tests
    > on the current kernel. It works with 2.3.26 and earlier, so I hope that it
    > will be OK. With the depth 32 we will be able to forget about the problem
    > - it's _way_ beyond any reasonable setup.
    >
    Hmmm, at least do_follow_link in 2.2.11 looks rather iterative to me, so
    there shouldn't be any stack issues ...
    Correct me if I'm wrong.
    -- Johannes



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