diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 623a89a1f34e..eb8a2a16839f 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -848,6 +848,20 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 	if (status)
 		goto out_aftermask;
 
+	/* Sanitize cr_type to avoid returning ATTRNOTSUPP. */
+	switch (create->cr_type) {
+	case NF4LNK:
+	case NF4BLK:
+	case NF4CHR:
+	case NF4SOCK:
+	case NF4FIFO:
+	case NF4DIR:
+		break;
+	default:
+		status = nfserr_badtype;
+		goto out_aftermask;
+	}
+
 	if (create->cr_acl) {
 		if (attrs.na_dpacl || attrs.na_pacl) {
 			status = nfserr_inval;
@@ -855,6 +869,8 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		}
 		status = nfsd4_acl_to_attr(create->cr_type, create->cr_acl,
 								&attrs);
+		if (status != nfs_ok)
+			goto out_aftermask;
 	}
 	current->fs->umask = create->cr_umask;
 	switch (create->cr_type) {