diff options
Diffstat (limited to 'fs/nfsd/nfs4idmap.c')
| -rw-r--r-- | fs/nfsd/nfs4idmap.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index 5b20577dcdd2..6b9b6cca469f 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -628,6 +628,10 @@ nfsd_map_name_to_uid(struct svc_rqst *rqstp, const char *name, size_t namelen, { __be32 status; u32 id = -1; + + if (name == NULL || namelen == 0) + return nfserr_inval; + status = do_name_to_id(rqstp, IDMAP_TYPE_USER, name, namelen, &id); *uid = make_kuid(&init_user_ns, id); if (!uid_valid(*uid)) @@ -641,6 +645,10 @@ nfsd_map_name_to_gid(struct svc_rqst *rqstp, const char *name, size_t namelen, { __be32 status; u32 id = -1; + + if (name == NULL || namelen == 0) + return nfserr_inval; + status = do_name_to_id(rqstp, IDMAP_TYPE_GROUP, name, namelen, &id); *gid = make_kgid(&init_user_ns, id); if (!gid_valid(*gid)) |