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authorEric Paris <eparis@redhat.com>2008-07-29 17:07:26 -0400
committerJames Morris <jmorris@namei.org>2008-07-30 08:31:28 +1000
commit383795c206946777d87ed5f6d61d6659110f9344 (patch)
tree839c3a69e5a8603ce4bc494fc5b7e81c1e02e87b /sound
parent6e86841d05f371b5b9b86ce76c02aaee83352298 (diff)
SELinux: /proc/mounts should show what it can
Given a hosed SELinux config in which a system never loads policy or disables SELinux we currently just return -EINVAL for anyone trying to read /proc/mounts. This is a configuration problem but we can certainly be more graceful. This patch just ignores -EINVAL when displaying LSM options and causes /proc/mounts display everything else it can. If policy isn't loaded the obviously there are no options, so we aren't really loosing any information here. This is safe as the only other return of EINVAL comes from security_sid_to_context_core() in the case of an invalid sid. Even if a FS was mounted with a now invalidated context that sid should have been remapped to unlabeled and so we won't hit the EINVAL and will work like we should. (yes, I tested to make sure it worked like I thought) Signed-off-by: Eric Paris <eparis@redhat.com> Tested-by: Marc Dionne <marc.c.dionne@gmail.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'sound')
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