Don't assert on short time strings, just ignore them.

servers/slapd/schema_init.c

@@ -2732,9 +2732,9 @@ int generalizedTimeFilter(
 	keys = slap_sl_malloc( sizeof( struct berval ) * 2, ctx );
 
 	/* GeneralizedTime YYYYmmddHH[MM[SS]][(./,)d...](Z|(+/-)HH[MM]) */
-	assert(value->bv_val != NULL && value->bv_len >= 10);
 	/* Use 40 bits of time for key */
-	if ( lutil_parsetime( value->bv_val, &tm ) == 0 ) {
+	if ( value->bv_val && value->bv_len >= 10 &&
+		lutil_parsetime( value->bv_val, &tm ) == 0 ) {
 		lutil_tm2time( &tm, &tt );
 		tmp[0] = tt.tt_gsec & 0xff;
 		tmp[4] = tt.tt_sec & 0xff;