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userns: Convert group_info values from gid_t to kgid_t.

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As a first step to converting struct cred to be all kuid_t and kgid_t
values convert the group values stored in group_info to always be
kgid_t values.   Unless user namespaces are used this change should
have no effect.

Acked-by: Serge Hallyn <[email protected]>
Signed-off-by: Eric W. Biederman <[email protected]>
This commit is contained in:
Eric W. Biederman 2011-11-14 15:56:38 -08:00
commit ae2975bc34
12 changed files with 104 additions and 49 deletions
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3
security/keys/permission.c
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@ -53,7 +53,8 @@ int key_task_permission(const key_ref_t key_ref, const struct cred *cred,
goto use_these_perms;
}
ret = groups_search(cred->group_info, key->gid);
ret = groups_search(cred->group_info,
make_kgid(current_user_ns(), key->gid));
if (ret) {
kperm = key->perm >> 8;
goto use_these_perms;