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    SubjectRe: 2.6.6-rc3: modular DVB tda1004x broken
    On Mon, 2004-05-03 at 17:54,
    > f) potentially racy flush_unauthorized_files() in selinux code - uses
    > sys_close() in a strange way.

    The SELinux flush_unauthorized_files code is based on flush_old_files in
    fs/exec.c. It is only executed upon a SID/context transition to flush
    files that are not authorized for the new SID/context, and sharing of
    the open file table across such transitions requires a share permission
    that is only allowed where absolutely necessary, e.g. kernel->init. Do
    we need to change the code?

    Stephen Smalley <>
    National Security Agency

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