zd1211rw 1-1:0.144: error ioread32(CR_REG1): -11 usb 1-1: reset full-speed USB device number 2 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: unable to get BOS descriptor or descriptor too short zd1211rw 1-1:0.22: phy1 zd1211rw 1-1:0.144: error ioread32(CR_REG1): -11 ============================================ WARNING: possible recursive locking detected 6.7.0-rc3-syzkaller-00028-g24af68a0ed53 #0 Not tainted -------------------------------------------- kworker/1:1/32 is trying to acquire lock: ffff888115d65c30 (&chip->mutex){+.+.}-{3:3}, at: zd_chip_disable_rxtx+0x1f/0x50 drivers/net/wireless/zydas/zd1211rw/zd_chip.c:1465 but task is already holding lock: ffff8881154bdc30 (&chip->mutex){+.+.}-{3:3}, at: pre_reset+0x209/0x270 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/1:1/32: #0: ffff888109e56538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605 #1: ffffc90000227d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606 #2: ffff888105751190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #2: ffff888105751190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5779 #3: ffff888101b42190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #3: ffff888101b42190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #4: ffff888109a52160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline] #4: ffff888109a52160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #5: ffff8881154bdc30 (&chip->mutex){+.+.}-{3:3}, at: pre_reset+0x209/0x270 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1503 stack backtrace: CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 6.7.0-rc3-syzkaller-00028-g24af68a0ed53 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 check_deadlock kernel/locking/lockdep.c:3062 [inline] validate_chain kernel/locking/lockdep.c:3856 [inline] __lock_acquire+0x2973/0x5dd0 kernel/locking/lockdep.c:5137 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5719 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x181/0x1340 kernel/locking/mutex.c:747 zd_chip_disable_rxtx+0x1f/0x50 drivers/net/wireless/zydas/zd1211rw/zd_chip.c:1465 zd_op_stop+0x64/0x1a0 drivers/net/wireless/zydas/zd1211rw/zd_mac.c:343 zd_usb_stop drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1478 [inline] pre_reset+0x18f/0x270 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1501 usb_reset_device+0x41a/0xad0 drivers/usb/core/hub.c:6219 probe+0x114/0x970 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1370 usb_probe_interface+0x307/0x930 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x234/0xc90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x117e/0x1aa0 drivers/base/core.c:3625 usb_set_configuration+0x10cb/0x1c40 drivers/usb/core/message.c:2207 usb_generic_driver_probe+0xca/0x130 drivers/usb/core/generic.c:238 usb_probe_device+0xda/0x2c0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x234/0xc90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x117e/0x1aa0 drivers/base/core.c:3625 usb_new_device+0xd80/0x19f0 drivers/usb/core/hub.c:2582 hub_port_connect drivers/usb/core/hub.c:5451 [inline] hub_port_connect_change drivers/usb/core/hub.c:5591 [inline] port_event drivers/usb/core/hub.c:5751 [inline] hub_event+0x2e62/0x4f40 drivers/usb/core/hub.c:5833 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 zd1211rw 1-1:0.22: error ioread32(CR_REG1): -11 usb 1-1: reset full-speed USB device number 2 using dummy_hcd usb 1-1: unable to get BOS descriptor or descriptor too short ieee80211 phy2: Selected rate control algorithm 'minstrel_ht' zd1211rw 1-1:0.243: phy2 usb 1-1: USB disconnect, device number 2 usb 1-1: new full-speed USB device number 3 using dummy_hcd usb 1-1: unable to get BOS descriptor or descriptor too short usb 1-1: not running at top speed; connect to a high speed hub usb 1-1: config 0 has an invalid interface number: 144 but max is 1 usb 1-1: config 0 has an invalid interface number: 22 but max is 1 usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping usb 1-1: config 0 contains an unexpected descriptor of type 0x2, skipping usb 1-1: config 0 has an invalid interface number: 243 but max is 1 usb 1-1: config 0 has 3 interfaces, different from the descriptor's value: 2 usb 1-1: config 0 has no interface number 0 usb 1-1: config 0 has no interface number 1 usb 1-1: config 0 has no interface number 2 usb 1-1: config 0 interface 144 altsetting 1 endpoint 0xC has invalid maxpacket 1023, setting to 64 usb 1-1: config 0 interface 144 altsetting 1 endpoint 0x4 has invalid maxpacket 1024, setting to 64 usb 1-1: config 0 interface 22 altsetting 0 endpoint 0xD has invalid maxpacket 1024, setting to 64 usb 1-1: config 0 interface 22 altsetting 0 has an invalid endpoint with address 0x80, skipping usb 1-1: config 0 interface 22 altsetting 0 has a duplicate endpoint with address 0xC, skipping usb 1-1: config 0 interface 22 altsetting 0 endpoint 0x6 has invalid maxpacket 1024, setting to 64 usb 1-1: config 0 interface 22 altsetting 0 has a duplicate endpoint with address 0xD, skipping usb 1-1: config 0 interface 22 altsetting 0 has a duplicate endpoint with address 0x4, skipping usb 1-1: config 0 interface 22 altsetting 0 has a duplicate endpoint with address 0xD, skipping usb 1-1: config 0 interface 22 altsetting 0 has a duplicate endpoint with address 0xC, skipping usb 1-1: config 0 interface 22 altsetting 0 endpoint 0xA has invalid maxpacket 503, setting to 64 usb 1-1: config 0 interface 22 altsetting 0 has an invalid endpoint with address 0x80, skipping usb 1-1: config 0 interface 22 altsetting 0 has a duplicate endpoint with address 0xE, skipping usb 1-1: config 0 interface 22 altsetting 0 endpoint 0x1 has invalid maxpacket 1024, setting to 64 usb 1-1: config 0 interface 22 altsetting 0 has an invalid endpoint with address 0x0, skipping usb 1-1: config 0 interface 22 altsetting 0 has 13 endpoint descriptors, different from the interface descriptor's value: 16 usb 1-1: too many endpoints for config 0 interface 243 altsetting 168: 112, using maximum allowed: 30 usb 1-1: config 0 interface 243 altsetting 168 has a duplicate endpoint with address 0x6, skipping usb 1-1: config 0 interface 243 altsetting 168 endpoint 0xF has invalid maxpacket 512, setting to 64 usb 1-1: config 0 interface 243 altsetting 168 has an invalid endpoint with address 0x0, skipping usb 1-1: config 0 interface 243 altsetting 168 has 3 endpoint descriptors, different from the interface descriptor's value: 112 usb 1-1: config 0 interface 144 has no altsetting 0 usb 1-1: config 0 interface 243 has no altsetting 0 usb 1-1: string descriptor 0 read error: -22 usb 1-1: New USB device found, idVendor=0471, idProduct=1237, bcdDevice=d0.1f usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: config 0 descriptor?? usb 1-1: reset full-speed USB device number 3 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: unable to get BOS descriptor or descriptor too short ieee80211 phy3: Selected rate control algorithm 'minstrel_ht' zd1211rw 1-1:0.144: phy3 zd1211rw 1-1:0.144: error ioread32(CR_REG1): -11 usb 1-1: reset full-speed USB device number 3 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: unable to get BOS descriptor or descriptor too short ieee80211 phy4: Selected rate control algorithm 'minstrel_ht' zd1211rw 1-1:0.22: phy4 zd1211rw 1-1:0.144: error ioread32(CR_REG1): -11 zd1211rw 1-1:0.22: error ioread32(CR_REG1): -11 usb 1-1: reset full-speed USB device number 3 using dummy_hcd