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authorJames Morris <jmorris@namei.org>2017-02-15 00:17:24 +1100
committerJames Morris <james.l.morris@oracle.com>2017-03-06 11:00:12 +1100
commitdd0859dccbe291cf8179a96390f5c0e45cb9af1d (patch)
treee7a2b67dfdb2beaa07d42a314eb142289599d381 /security/smack
parent84e6885e9e6a818d1ca1eabb9b720b357ab07a8b (diff)
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security: introduce CONFIG_SECURITY_WRITABLE_HOOKS
Subsequent patches will add RO hardening to LSM hooks, however, SELinux still needs to be able to perform runtime disablement after init to handle architectures where init-time disablement via boot parameters is not feasible. Introduce a new kernel configuration parameter CONFIG_SECURITY_WRITABLE_HOOKS, and a helper macro __lsm_ro_after_init, to handle this case. Signed-off-by: James Morris <james.l.morris@oracle.com> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: Casey Schaufler <casey@schaufler-ca.com> Acked-by: Kees Cook <keescook@chromium.org>
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