usb 1-1: reset high-speed USB device number 2 using dummy_hcd zd1211rw 1-1:1.203: phy0 zd1211rw 1-1:1.203: error ioread32(CR_REG1): -11 usb 1-1: reset high-speed USB device number 2 using dummy_hcd zd1211rw 1-1:1.73: phy1 zd1211rw 1-1:1.203: error ioread32(CR_REG1): -11 ============================================ WARNING: possible recursive locking detected 6.8.0-rc3-syzkaller-00049-g88bae831f381 #0 Not tainted -------------------------------------------- kworker/1:1/26 is trying to acquire lock: ffff88812d965c30 (&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: ffff88811af9dc30 (&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/1:1/26: #0: ffff888106699d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608 #1: ffffc900001c7d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609 #2: ffff88810abc7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline] #2: ffff88810abc7190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5840 #3: ffff8881082b8190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline] #3: ffff8881082b8190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #4: ffff8881056d5160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline] #4: ffff8881056d5160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005 #5: ffff88811af9dc30 (&chip->mutex){+.+.}-{3:3}, at: pre_reset+0x209/0x270 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1503 stack backtrace: CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.8.0-rc3-syzkaller-00049-g88bae831f381 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 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+0x210a/0x3b30 kernel/locking/lockdep.c:5137 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1ae/0x520 kernel/locking/lockdep.c:5719 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x175/0x9d0 kernel/locking/mutex.c:752 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:6295 probe+0x114/0x970 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1370 usb_probe_interface+0x307/0x9c0 drivers/usb/core/driver.c:399 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+0xad/0x110 drivers/usb/core/generic.c:254 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 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+0xd90/0x1a10 drivers/usb/core/hub.c:2643 hub_port_connect drivers/usb/core/hub.c:5512 [inline] hub_port_connect_change drivers/usb/core/hub.c:5652 [inline] port_event drivers/usb/core/hub.c:5812 [inline] hub_event+0x2e62/0x4f40 drivers/usb/core/hub.c:5894 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787 kthread+0x2c6/0x3a0 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 1-1:1.73: error ioread32(CR_REG1): -11 usb 1-1: reset high-speed USB device number 2 using dummy_hcd ieee80211 phy2: Selected rate control algorithm 'minstrel_ht' zd1211rw 1-1:1.242: WBRF is not supported zd1211rw 1-1:1.242: phy2 zd1211rw 1-1:1.203: error ioread32(CR_REG1): -11 zd1211rw 1-1:1.73: error ioread32(CR_REG1): -11 zd1211rw 1-1:1.242: error ioread32(CR_REG1): -11 usb 1-1: reset high-speed USB device number 2 using dummy_hcd ieee80211 phy3: Selected rate control algorithm 'minstrel_ht' zd1211rw 1-1:1.14: WBRF is not supported zd1211rw 1-1:1.14: phy3 usb 1-1: USB disconnect, device number 2 usb 1-1: new high-speed USB device number 3 using dummy_hcd usb 1-1: config 1 has an invalid interface number: 203 but max is 3 usb 1-1: config 1 has an invalid interface number: 73 but max is 3 usb 1-1: config 1 contains an unexpected descriptor of type 0x2, skipping usb 1-1: config 1 has an invalid interface number: 242 but max is 3 usb 1-1: config 1 contains an unexpected descriptor of type 0x2, skipping usb 1-1: config 1 has an invalid interface number: 14 but max is 3 usb 1-1: config 1 contains an unexpected descriptor of type 0x2, skipping usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: config 1 has no interface number 0 usb 1-1: config 1 has no interface number 1 usb 1-1: config 1 has no interface number 2 usb 1-1: config 1 has no interface number 3 usb 1-1: config 1 interface 203 altsetting 254 endpoint 0x6 has an invalid bInterval 32, changing to 9 usb 1-1: config 1 interface 203 altsetting 254 endpoint 0x7 has invalid maxpacket 1024, setting to 64 usb 1-1: config 1 interface 203 altsetting 254 endpoint 0x8 has invalid maxpacket 512, setting to 64 usb 1-1: config 1 interface 73 altsetting 129 endpoint 0xB has invalid maxpacket 512, setting to 64 usb 1-1: config 1 interface 242 altsetting 112 endpoint 0xF has invalid maxpacket 1024, setting to 64 usb 1-1: config 1 interface 242 altsetting 112 has a duplicate endpoint with address 0x4, skipping usb 1-1: config 1 interface 242 altsetting 112 has a duplicate endpoint with address 0xD, skipping usb 1-1: config 1 interface 242 altsetting 112 has a duplicate endpoint with address 0x9, skipping usb 1-1: config 1 interface 242 altsetting 112 has a duplicate endpoint with address 0xB, skipping usb 1-1: config 1 interface 242 altsetting 112 has a duplicate endpoint with address 0x9, skipping usb 1-1: config 1 interface 242 altsetting 112 has an invalid endpoint with address 0x80, skipping usb 1-1: config 1 interface 242 altsetting 112 has a duplicate endpoint with address 0x4, skipping usb 1-1: config 1 interface 14 altsetting 5 has 0 endpoint descriptors, different from the interface descriptor's value: 7 usb 1-1: config 1 interface 203 has no altsetting 0 usb 1-1: config 1 interface 73 has no altsetting 0 usb 1-1: config 1 interface 242 has no altsetting 0 usb 1-1: config 1 interface 14 has no altsetting 0 usb 1-1: New USB device found, idVendor=0586, idProduct=3410, bcdDevice=44.1d usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz usb 1-1: reset high-speed USB device number 3 using dummy_hcd