zd1211rw 1-1:0.184: error ioread32(CR_REG1): -11 ============================================ WARNING: possible recursive locking detected 5.16.0-rc6-syzkaller #0 Not tainted -------------------------------------------- kworker/1:0/18 is trying to acquire lock: ffff88811d435ed0 (&chip->mutex){+.+.}-{3:3}, at: zd_chip_disable_rxtx+0x1c/0x40 drivers/net/wireless/zydas/zd1211rw/zd_chip.c:1465 but task is already holding lock: ffff888116c85ed0 (&chip->mutex){+.+.}-{3:3} , at: pre_reset+0x217/0x290 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1503 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&chip->mutex ); lock( &chip->mutex); *** DEADLOCK *** May be due to missing lock nesting notation 6 locks held by kworker/1:0/18: #0: ffff888103be6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2269 #1: ffffc9000013fdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2273 #2: ffff88810c622220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #2: ffff88810c622220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5688 #3: ffff8881150db220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #3: ffff8881150db220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944 #4: ffff8881115491a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #4: ffff8881115491a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944 #5: ffff888116c85ed0 (&chip->mutex){+.+.}-{3:3}, at: pre_reset+0x217/0x290 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1503 stack backtrace: CPU: 1 PID: 18 Comm: kworker/1:0 Not tainted 5.16.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_deadlock_bug kernel/locking/lockdep.c:2956 [inline] check_deadlock kernel/locking/lockdep.c:2999 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire.cold+0x149/0x3ab kernel/locking/lockdep.c:5027 lock_acquire kernel/locking/lockdep.c:5637 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602 __mutex_lock_common kernel/locking/mutex.c:607 [inline] __mutex_lock+0x12f/0x12f0 kernel/locking/mutex.c:740 zd_chip_disable_rxtx+0x1c/0x40 drivers/net/wireless/zydas/zd1211rw/zd_chip.c:1465 zd_op_stop+0x60/0x190 drivers/net/wireless/zydas/zd1211rw/zd_mac.c:343 zd_usb_stop drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1478 [inline] pre_reset+0x19d/0x290 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1501 usb_reset_device+0x37d/0x9a0 drivers/usb/core/hub.c:6118 probe+0x10f/0x590 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1370 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:517 [inline] really_probe+0x245/0xcc0 drivers/base/dd.c:596 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:751 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x228/0x4a0 drivers/base/dd.c:969 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xc17/0x1ee0 drivers/base/core.c:3394 usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:517 [inline] really_probe+0x245/0xcc0 drivers/base/dd.c:596 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:751 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x228/0x4a0 drivers/base/dd.c:969 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xc17/0x1ee0 drivers/base/core.c:3394 usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2566 hub_port_connect drivers/usb/core/hub.c:5358 [inline] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] port_event drivers/usb/core/hub.c:5660 [inline] hub_event+0x2585/0x44d0 drivers/usb/core/hub.c:5742 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x40b/0x500 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 zd1211rw 1-1:0.154: error ioread32(CR_REG1): -11 usb 1-1: reset full-speed USB device number 80 using dummy_hcd zd1211rw 1-1:0.167: couldn't reset usb device. Error number -19 usb 1-1: USB disconnect, device number 80 usb 1-1: new high-speed USB device number 81 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 0 usb 1-1: config 0 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 usb 1-1: New USB device found, idVendor=2040, idProduct=b138, bcdDevice= 1.42 usb 1-1: New USB device strings: Mfr=4, Product=0, SerialNumber=0 usb 1-1: Manufacturer: syz usb 1-1: config 0 descriptor?? rc_core: IR keymap rc-hauppauge not found Registered IR keymap rc-empty mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 rc rc0: Conexant Hybrid TV (cx231xx) MCE IR no TX (2040:b138) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 input: Conexant Hybrid TV (cx231xx) MCE IR no TX (2040:b138) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input230 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Error: mce write submit urb error = -90 mceusb 1-1:0.0: Registered ᠉ with mce emulator interface version 1 mceusb 1-1:0.0: 2 tx ports (0x0 cabled) and 2 rx sensors (0x0 active) usb 4-1: new full-speed USB device number 116 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x85 has invalid wMaxPacketSize 0 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=124a, idProduct=4017, bcdDevice=74.e8 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): prism2_usb: Checking for firmware prism2_ru.fw usb 4-1: Direct firmware load for prism2_ru.fw failed with error -2 prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): prism2_usb: Firmware not available, but not essential prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): prism2_usb: can continue to use card anyway. prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): Fatal, failed to submit RX URB, result=-90 prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): hfa384x_drvr_start() failed,result=-90 usb 4-1: USB disconnect, device number 116 usb 4-1: new full-speed USB device number 117 using dummy_hcd usb 4-1: device descriptor read/64, error 18 usb 4-1: device descriptor read/64, error 18 usb 4-1: new full-speed USB device number 118 using dummy_hcd usb 4-1: device descriptor read/64, error 18 usb 4-1: device descriptor read/64, error 18 usb usb4-port1: attempt power cycle usb 4-1: new full-speed USB device number 119 using dummy_hcd usb 4-1: Invalid ep0 maxpacket: 72 usb 4-1: new full-speed USB device number 120 using dummy_hcd usb 4-1: Invalid ep0 maxpacket: 72 usb usb4-port1: unable to enumerate USB device usb 4-1: new full-speed USB device number 121 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x85 has invalid wMaxPacketSize 0 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=124a, idProduct=4017, bcdDevice=74.e8 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): prism2_usb: Checking for firmware prism2_ru.fw usb 4-1: Direct firmware load for prism2_ru.fw failed with error -2 prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): prism2_usb: Firmware not available, but not essential prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): prism2_usb: can continue to use card anyway. prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): Fatal, failed to submit RX URB, result=-90 prism2_usb 4-1:0.0 (unnamed net_device) (uninitialized): hfa384x_drvr_start() failed,result=-90