tree: https://github.com/lunn/linux.git v5.9-rc1-net-next-mv88e6xxx-region-v3 head: ae3e95ca3325cddbef05207dbd40dcb73c4bca59 commit: a98ae9865c7501f3a159b4db40ba75ba5cfad8ca [1/10] drivers: platform: x86: ZII RaveAP config: x86_64-randconfig-c002-20200909 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): git checkout a98ae9865c7501f3a159b4db40ba75ba5cfad8ca # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): ld: drivers/usb/serial/usb-serial.o: in function `usb_serial_port_poison_urbs': ld: drivers/usb/serial/usb-serial.c:558: undefined reference to `usb_poison_urb' ld: drivers/usb/serial/usb-serial.c:558: undefined reference to `usb_poison_urb' ld: drivers/usb/serial/usb-serial.c:560: undefined reference to `usb_poison_urb' ld: drivers/usb/serial/usb-serial.o:drivers/usb/serial/usb-serial.c:561: more undefined references to `usb_poison_urb' follow ld: drivers/usb/serial/usb-serial.o: in function `usb_serial_port_unpoison_urbs': ld: drivers/usb/serial/usb-serial.c:571: undefined reference to `usb_unpoison_urb' ld: drivers/usb/serial/usb-serial.c:571: undefined reference to `usb_unpoison_urb' ld: drivers/usb/serial/usb-serial.c:573: undefined reference to `usb_unpoison_urb' ld: drivers/usb/serial/usb-serial.o:drivers/usb/serial/usb-serial.c:574: more undefined references to `usb_unpoison_urb' follow ld: drivers/usb/serial/usb-serial.o: in function `usb_serial_port_release': ld: drivers/usb/serial/usb-serial.c:587: undefined reference to `usb_free_urb' ld: drivers/usb/serial/usb-serial.c:587: undefined reference to `usb_free_urb' ld: drivers/usb/serial/usb-serial.c:591: undefined reference to `usb_free_urb' ld: drivers/usb/serial/usb-serial.o:drivers/usb/serial/usb-serial.c:591: more undefined references to `usb_free_urb' follow ld: drivers/usb/serial/usb-serial.o: in function `get_iface_id': ld: drivers/usb/serial/usb-serial.o: in function `match_dynamic_id': ld: drivers/usb/serial/usb-serial.o: in function `usb_serial_deregister_drivers': ld: drivers/usb/serial/usb-serial.o: in function `usb_serial_register_drivers': ld: drivers/usb/serial/usb-serial.o: in function `usb_serial_register': ld: drivers/usb/serial/usb-serial.o: in function `usb_serial_register_drivers': drivers/usb/serial/usb-serial.c:1420: undefined reference to `usb_deregister' ld: drivers/usb/serial/usb-serial.o: in function `destroy_serial': ld: drivers/usb/serial/usb-serial.o: in function `create_serial': ld: drivers/usb/serial/usb-serial.o: in function `serial_cleanup': ld: drivers/usb/serial/usb-serial.o: in function `serial_install': ld: drivers/usb/serial/usb-serial.o: in function `setup_port_bulk_in': ld: drivers/usb/serial/usb-serial.o: in function `setup_port_interrupt_in': drivers/usb/serial/usb-serial.c:823: undefined reference to `usb_alloc_urb' ld: drivers/usb/serial/usb-serial.o: in function `setup_port_interrupt_out': drivers/usb/serial/usb-serial.c:847: undefined reference to `usb_alloc_urb' ld: drivers/usb/serial/usb-serial.o: in function `setup_port_bulk_out': drivers/usb/serial/usb-serial.c:798: undefined reference to `usb_alloc_urb' ld: drivers/usb/serial/generic.o: in function `usb_serial_generic_close': ld: drivers/usb/serial/generic.c:126: undefined reference to `usb_kill_urb' ld: drivers/usb/serial/generic.c:134: undefined reference to `usb_kill_urb' ld: drivers/usb/serial/generic.c:134: undefined reference to `usb_kill_urb' ld: drivers/usb/serial/generic.o: in function `usb_serial_generic_submit_read_urb': drivers/usb/serial/generic.c:310: undefined reference to `usb_submit_urb' ld: drivers/usb/serial/generic.o: in function `usb_serial_generic_submit_read_urbs': drivers/usb/serial/generic.c:339: undefined reference to `usb_kill_urb' ld: drivers/usb/serial/generic.o: in function `usb_serial_generic_write_start': drivers/usb/serial/generic.c:186: undefined reference to `usb_submit_urb' ld: drivers/usb/serial/bus.o: in function `usb_serial_device_remove': drivers/usb/serial/bus.c:105: undefined reference to `usb_autopm_get_interface' ld: drivers/usb/serial/bus.o: in function `usb_serial_device_probe': drivers/usb/serial/bus.c:51: undefined reference to `usb_autopm_get_interface' ld: drivers/usb/serial/bus.c:70: undefined reference to `usb_autopm_put_interface' ld: drivers/usb/serial/bus.c:82: undefined reference to `usb_autopm_put_interface' ld: drivers/usb/serial/bus.o: in function `new_id_store': drivers/usb/serial/bus.c:127: undefined reference to `usb_store_new_id' ld: drivers/usb/serial/bus.c:131: undefined reference to `usb_store_new_id' ld: drivers/usb/serial/bus.o: in function `new_id_show': drivers/usb/serial/bus.c:142: undefined reference to `usb_show_dynids' ld: drivers/usb/serial/bus.o: in function `usb_serial_device_remove': drivers/usb/serial/bus.c:118: undefined reference to `usb_autopm_put_interface' ld: drivers/usb/serial/console.o: in function `usb_console_setup': drivers/usb/serial/console.c:120: undefined reference to `usb_autopm_get_interface' ld: drivers/usb/serial/console.c:190: undefined reference to `usb_autopm_put_interface' ld: drivers/usb/serial/ftdi_sio.o: in function `ftdi_read_eeprom': drivers/usb/serial/ftdi_sio.c:2013: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.o: in function `update_mctrl': drivers/usb/serial/ftdi_sio.c:1242: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.o: in function `ftdi_break_ctl': drivers/usb/serial/ftdi_sio.c:2616: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.o: in function `ftdi_dtr_rts': drivers/usb/serial/ftdi_sio.c:2423: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.o: in function `write_latency_timer': drivers/usb/serial/ftdi_sio.c:1414: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.o:drivers/usb/serial/ftdi_sio.c:2853: more undefined references to `usb_control_msg' follow ld: drivers/usb/serial/ftdi_sio.o: in function `ftdi_read_cbus_pins': drivers/usb/serial/ftdi_sio.c:1866: undefined reference to `usb_autopm_get_interface' ld: drivers/usb/serial/ftdi_sio.c:1876: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.c:1889: undefined reference to `usb_autopm_put_interface' ld: drivers/usb/serial/ftdi_sio.c:1872: undefined reference to `usb_autopm_put_interface' ld: drivers/usb/serial/ftdi_sio.o: in function `ftdi_set_bitmode': drivers/usb/serial/ftdi_sio.c:1797: undefined reference to `usb_autopm_get_interface' ld: drivers/usb/serial/ftdi_sio.c:1802: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.c:1813: undefined reference to `usb_autopm_put_interface' ld: drivers/usb/serial/ftdi_sio.o: in function `event_char_store': drivers/usb/serial/ftdi_sio.c:1728: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.o: in function `change_speed': drivers/usb/serial/ftdi_sio.c:1390: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.o: in function `ftdi_set_termios': drivers/usb/serial/ftdi_sio.c:2753: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.c:2766: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.c:2805: undefined reference to `usb_control_msg' ld: drivers/usb/serial/ftdi_sio.o:drivers/usb/serial/ftdi_sio.c:2401: more undefined references to `usb_control_msg' follow # https://github.com/lunn/linux/commit/a98ae9865c7501f3a159b4db40ba75ba5cfa... git remote add lunn https://github.com/lunn/linux.git git fetch --no-tags lunn v5.9-rc1-net-next-mv88e6xxx-region-v3 git checkout a98ae9865c7501f3a159b4db40ba75ba5cfad8ca vim +556 drivers/usb/serial/usb-serial.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 550 6a5c821cad1459 Johan Hovold 2013-03-21 551 static void usb_serial_port_poison_urbs(struct usb_serial_port *port) 34f8e761724ecb Pete Zaitcev 2006-06-21 552 { 27c7acf22047fb Johan Hovold 2010-05-05 553 int i; 27c7acf22047fb Johan Hovold 2010-05-05 554 d83b405383c965 Johan Hovold 2011-11-06 555 for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) 6a5c821cad1459 Johan Hovold 2013-03-21 @556 usb_poison_urb(port->read_urbs[i]); 27c7acf22047fb Johan Hovold 2010-05-05 557 for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i) 6a5c821cad1459 Johan Hovold 2013-03-21 558 usb_poison_urb(port->write_urbs[i]); 6a5c821cad1459 Johan Hovold 2013-03-21 559 6a5c821cad1459 Johan Hovold 2013-03-21 560 usb_poison_urb(port->interrupt_in_urb); 6a5c821cad1459 Johan Hovold 2013-03-21 561 usb_poison_urb(port->interrupt_out_urb); 6a5c821cad1459 Johan Hovold 2013-03-21 562 } 6a5c821cad1459 Johan Hovold 2013-03-21 563 6a5c821cad1459 Johan Hovold 2013-03-21 564 static void usb_serial_port_unpoison_urbs(struct usb_serial_port *port) 6a5c821cad1459 Johan Hovold 2013-03-21 565 { 6a5c821cad1459 Johan Hovold 2013-03-21 566 int i; 6a5c821cad1459 Johan Hovold 2013-03-21 567 6a5c821cad1459 Johan Hovold 2013-03-21 568 for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) 6a5c821cad1459 Johan Hovold 2013-03-21 @569 usb_unpoison_urb(port->read_urbs[i]); 6a5c821cad1459 Johan Hovold 2013-03-21 570 for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i) 6a5c821cad1459 Johan Hovold 2013-03-21 571 usb_unpoison_urb(port->write_urbs[i]); 6a5c821cad1459 Johan Hovold 2013-03-21 572 6a5c821cad1459 Johan Hovold 2013-03-21 573 usb_unpoison_urb(port->interrupt_in_urb); 6a5c821cad1459 Johan Hovold 2013-03-21 574 usb_unpoison_urb(port->interrupt_out_urb); 34ef50e5b1f96c Oliver Neukum 2007-01-13 575 } 34ef50e5b1f96c Oliver Neukum 2007-01-13 576 69a3d2125796b3 Johan Hovold 2013-03-21 577 static void usb_serial_port_release(struct device *dev) 34ef50e5b1f96c Oliver Neukum 2007-01-13 578 { 41bd34ddd7aa46 Alan Stern 2009-09-01 579 struct usb_serial_port *port = to_usb_serial_port(dev); 27c7acf22047fb Johan Hovold 2010-05-05 580 int i; 41bd34ddd7aa46 Alan Stern 2009-09-01 581 92931d243b5caf Greg Kroah-Hartman 2012-09-13 582 dev_dbg(dev, "%s\n", __func__); 41bd34ddd7aa46 Alan Stern 2009-09-01 583 34ef50e5b1f96c Oliver Neukum 2007-01-13 @584 usb_free_urb(port->interrupt_in_urb); ^1da177e4c3f41 Linus Torvalds 2005-04-16 @585 usb_free_urb(port->interrupt_out_urb); d83b405383c965 Johan Hovold 2011-11-06 586 for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) { d83b405383c965 Johan Hovold 2011-11-06 587 usb_free_urb(port->read_urbs[i]); d83b405383c965 Johan Hovold 2011-11-06 588 kfree(port->bulk_in_buffers[i]); d83b405383c965 Johan Hovold 2011-11-06 589 } 27c7acf22047fb Johan Hovold 2010-05-05 590 for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i) { 27c7acf22047fb Johan Hovold 2010-05-05 591 usb_free_urb(port->write_urbs[i]); 27c7acf22047fb Johan Hovold 2010-05-05 592 kfree(port->bulk_out_buffers[i]); 27c7acf22047fb Johan Hovold 2010-05-05 593 } 119eecc831a42b Stefani Seibold 2009-12-23 594 kfifo_free(&port->write_fifo); ^1da177e4c3f41 Linus Torvalds 2005-04-16 595 kfree(port->interrupt_in_buffer); ^1da177e4c3f41 Linus Torvalds 2005-04-16 596 kfree(port->interrupt_out_buffer); 191c5f10275cfb Jiri Slaby 2012-11-15 597 tty_port_destroy(&port->port); ^1da177e4c3f41 Linus Torvalds 2005-04-16 598 kfree(port); ^1da177e4c3f41 Linus Torvalds 2005-04-16 599 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 600 ^1da177e4c3f41 Linus Torvalds 2005-04-16 601 static struct usb_serial *create_serial(struct usb_device *dev, ^1da177e4c3f41 Linus Torvalds 2005-04-16 602 struct usb_interface *interface, ea65370d025f50 Greg Kroah-Hartman 2005-06-20 603 struct usb_serial_driver *driver) ^1da177e4c3f41 Linus Torvalds 2005-04-16 604 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 605 struct usb_serial *serial; ^1da177e4c3f41 Linus Torvalds 2005-04-16 606 80b6ca48321974 Eric Sesterhenn 2006-02-27 607 serial = kzalloc(sizeof(*serial), GFP_KERNEL); 6b03f7f79f5610 Johan Hovold 2013-03-21 608 if (!serial) ^1da177e4c3f41 Linus Torvalds 2005-04-16 609 return NULL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 @610 serial->dev = usb_get_dev(dev); ea65370d025f50 Greg Kroah-Hartman 2005-06-20 611 serial->type = driver; d7971051e4df82 Johan Hovold 2013-03-19 @612 serial->interface = usb_get_intf(interface); ^1da177e4c3f41 Linus Torvalds 2005-04-16 613 kref_init(&serial->kref); a1cd7e99b34354 Oliver Neukum 2008-01-16 614 mutex_init(&serial->disc_mutex); e5b1e2062e0535 Greg Kroah-Hartman 2013-06-07 615 serial->minors_reserved = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 616 ^1da177e4c3f41 Linus Torvalds 2005-04-16 617 return serial; ^1da177e4c3f41 Linus Torvalds 2005-04-16 618 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 619 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 620 static const struct usb_device_id *match_dynamic_id(struct usb_interface *intf, 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 621 struct usb_serial_driver *drv) 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 622 { 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 623 struct usb_dynid *dynid; 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 624 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 625 spin_lock(&drv->dynids.lock); 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 626 list_for_each_entry(dynid, &drv->dynids.list, node) { 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 @627 if (usb_match_one_id(intf, &dynid->id)) { 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 628 spin_unlock(&drv->dynids.lock); 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 629 return &dynid->id; 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 630 } 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 631 } 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 632 spin_unlock(&drv->dynids.lock); 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 633 return NULL; 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 634 } 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 635 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 636 static const struct usb_device_id *get_iface_id(struct usb_serial_driver *drv, 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 637 struct usb_interface *intf) 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 638 { 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 639 const struct usb_device_id *id; 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 640 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 @641 id = usb_match_id(intf, drv->id_table); 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 642 if (id) { 92931d243b5caf Greg Kroah-Hartman 2012-09-13 643 dev_dbg(&intf->dev, "static descriptor matches\n"); 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 644 goto exit; 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 645 } 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 646 id = match_dynamic_id(intf, drv); 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 647 if (id) 92931d243b5caf Greg Kroah-Hartman 2012-09-13 648 dev_dbg(&intf->dev, "dynamic descriptor matches\n"); 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 649 exit: 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 650 return id; 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 651 } 93bacefc4cc0b5 Greg Kroah-Hartman 2006-12-17 652 :::::: The code at line 556 was first introduced by commit :::::: 6a5c821cad1459ec2b5fd5778f46d13c4255a7bf USB: serial: use urb poison to reliably kill traffic :::::: TO: Johan Hovold <jhovold(a)gmail.com&gt; :::::: CC: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org