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;; SPDX-FileCopyrightText: © 2024 Dominick Grift <dominick.grift@defensec.nl>
;; SPDX-License-Identifier: Unlicense
(class memprotect (mmap_zero))
(classorder (unordered memprotect))
(in subj
(block mmapzero
(macro type ((type ARG1))
(typeattributeset typeattr ARG1))
(typeattribute not_typeattr)
(typeattribute typeattr)
(typeattributeset not_typeattr (not typeattr))
(neverallow not_typeattr self (memprotect (mmap_zero)))))
(in subj.unconfined
(allow typeattr self (memprotect (all)))
(call mmapzero.type (typeattr)))
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