usb 1-1: [ueagle-atm] ADSL device founded vid (0XBAF) pid (0XF2) Rev (0X91A5): Eagle I ====================================================== WARNING: possible circular locking dependency detected 5.16.0-rc1-next-20211118-syzkaller #0 Not tainted ------------------------------------------------------ kworker/1:4/8410 is trying to acquire lock: ffff888147c59c68 (hcd->address0_mutex){+.+.}-{3:3}, at: usb_reset_and_verify_device+0x3ee/0xee0 drivers/usb/core/hub.c:5923 but task is already holding lock: ffff888147e365c0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3086 [inline] ffff888147e365c0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_reset_device+0x4b4/0x9a0 drivers/usb/core/hub.c:6107 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&port_dev->status_lock){+.+.}-{3:3}: __mutex_lock_common kernel/locking/mutex.c:607 [inline] __mutex_lock+0x12f/0x12f0 kernel/locking/mutex.c:740 usb_lock_port drivers/usb/core/hub.c:3086 [inline] hub_port_connect drivers/usb/core/hub.c:5279 [inline] hub_port_connect_change drivers/usb/core/hub.c:5493 [inline] port_event drivers/usb/core/hub.c:5639 [inline] hub_event+0x21c1/0x4450 drivers/usb/core/hub.c:5721 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 -> #0 (hcd->address0_mutex){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3063 [inline] check_prevs_add kernel/locking/lockdep.c:3186 [inline] validate_chain kernel/locking/lockdep.c:3801 [inline] __lock_acquire+0x2a07/0x54a0 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 usb_reset_and_verify_device+0x3ee/0xee0 drivers/usb/core/hub.c:5923 usb_reset_device+0x4bd/0x9a0 drivers/usb/core/hub.c:6108 uea_probe+0x186/0x450 drivers/usb/atm/ueagle-atm.c:2599 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:2563 hub_port_connect drivers/usb/core/hub.c:5350 [inline] hub_port_connect_change drivers/usb/core/hub.c:5493 [inline] port_event drivers/usb/core/hub.c:5639 [inline] hub_event+0x23cd/0x4450 drivers/usb/core/hub.c:5721 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&port_dev->status_lock); lock(hcd->address0_mutex); lock(&port_dev->status_lock); lock(hcd->address0_mutex); *** DEADLOCK *** 6 locks held by kworker/1:4/8410: #0: ffff8881433c0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8881433c0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff8881433c0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff8881433c0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline] #0: ffff8881433c0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline] #0: ffff8881433c0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2269 #1: ffffc900064a7db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2273 #2: ffff888147e33220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #2: ffff888147e33220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4450 drivers/usb/core/hub.c:5667 #3: ffff888070ec4220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #3: ffff888070ec4220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944 #4: ffff88806ebc91a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #4: ffff88806ebc91a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944 #5: ffff888147e365c0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3086 [inline] #5: ffff888147e365c0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_reset_device+0x4b4/0x9a0 drivers/usb/core/hub.c:6107 stack backtrace: CPU: 1 PID: 8410 Comm: kworker/1:4 Not tainted 5.16.0-rc1-next-20211118-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 check_noncircular+0x25f/0x2e0 kernel/locking/lockdep.c:2143 check_prev_add kernel/locking/lockdep.c:3063 [inline] check_prevs_add kernel/locking/lockdep.c:3186 [inline] validate_chain kernel/locking/lockdep.c:3801 [inline] __lock_acquire+0x2a07/0x54a0 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 usb_reset_and_verify_device+0x3ee/0xee0 drivers/usb/core/hub.c:5923 usb_reset_device+0x4bd/0x9a0 drivers/usb/core/hub.c:6108 uea_probe+0x186/0x450 drivers/usb/atm/ueagle-atm.c:2599 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:2563 hub_port_connect drivers/usb/core/hub.c:5350 [inline] hub_port_connect_change drivers/usb/core/hub.c:5493 [inline] port_event drivers/usb/core/hub.c:5639 [inline] hub_event+0x23cd/0x4450 drivers/usb/core/hub.c:5721 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 usb 1-1: reset high-speed USB device number 2 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: reset high-speed USB device number 2 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 usb 1-1: unable to get BOS descriptor or descriptor too short usb 1-1: failed to restore interface 101 altsetting 1 (error=-71) usb 1-1: [ueagle-atm] pre-firmware device, uploading firmware usb 1-1: [ueagle-atm] loading firmware ueagle-atm/eagleI.fw usb 1-1: [ueagle-atm] ADSL device founded vid (0XBAF) pid (0XF2) Rev (0X91A5): Eagle I usb 1-1: [ueagle-atm] pre-firmware device, uploading firmware usb 1-1: [ueagle-atm] loading firmware ueagle-atm/eagleI.fw usb 1-1: USB disconnect, device number 2 usb 1-1: [ueagle-atm] ADSL device removed Bluetooth: hci0: command 0x041b tx timeout