userns: Handle -1 in k[ug]id_has_mapping when !CONFIG_USER_NS

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Refuse to admit any user namespace has a mapping of the INVALID_UID
and the INVALID_GID when !CONFIG_USER_NS.

Acked-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

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Eric W. Biederman 2016-06-27 15:52:48 -05:00

parent a475acf01f

commit 37b11804ed

1 changed files with 2 additions and 2 deletions

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include/linux/uidgid.h

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