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    SubjectRe: Subtle MM bug
    On Thu, Jan 11, 2001 at 12:56:04PM +0000, Stephen C. Tweedie wrote:
    > Hi,
    >
    > On Wed, Jan 10, 2001 at 12:11:16PM -0800, Linus Torvalds wrote:
    > >
    > > That said, we can easily support the notion of CLONE_CRED if we absolutely
    > > have to (and sane people just shouldn't use it), so if somebody wants to
    > > work on this for 2.5.x...
    >
    > But is it really worth the pain? I'd hate to have to audit the entire
    > VFS to make sure that it works if another thread changes our
    > credentials in the middle of a syscall, so we either end up having to
    > lock the credentials over every VFS syscall, or take a copy of the
    > credentials and pass it through every VFS internal call that we make.

    That is what NFS does already, it would just move into generic VFS then.
    (NFS copies)


    -Andi
    -
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