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    SubjectRe: Linux capabilities shouldn't be lost during setuid to non-root from root or to another non-root uid from a non-root uid.
    Quoting crocket (crockabiscuit@gmail.com):
    > prctl(PR_SET_KEEPCAPS, 1) didn't work since, during setuid to
    > non-root, effective bit was lost.

    It's in pP so you can move it back to pE.

    -serge


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