zd1211rw 4-1:110.155: error ioread32(CR_REG1): -11 ============================================ WARNING: possible recursive locking detected 5.14.0-syzkaller #0 Not tainted -------------------------------------------- kworker/0:2/2225 is trying to acquire lock: ffff88811a275e90 (&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: ffff88811e4ade90 (&chip->mutex){+.+.}-{3:3}, at: pre_reset+0x217/0x290 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1504 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/0:2/2225: #0: ffff888109f36938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888109f36938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888109f36938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff888109f36938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline] #0: ffff888109f36938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline] #0: ffff888109f36938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x1620 kernel/workqueue.c:2268 #1: ffffc90006d37db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x1620 kernel/workqueue.c:2272 #2: ffff88810f89e220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #2: ffff88810f89e220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5662 #3: ffff8881172c5220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #3: ffff8881172c5220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944 #4: ffff8881138e41a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #4: ffff8881138e41a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944 #5: ffff88811e4ade90 (&chip->mutex){+.+.}-{3:3}, at: pre_reset+0x217/0x290 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1504 stack backtrace: CPU: 0 PID: 2225 Comm: kworker/0:2 Not tainted 5.14.0-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:105 print_deadlock_bug kernel/locking/lockdep.c:2944 [inline] check_deadlock kernel/locking/lockdep.c:2987 [inline] validate_chain kernel/locking/lockdep.c:3776 [inline] __lock_acquire.cold+0x149/0x3ab kernel/locking/lockdep.c:5015 lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x19d/0x4d0 kernel/locking/lockdep.c:5590 __mutex_lock_common kernel/locking/mutex.c:596 [inline] __mutex_lock+0x12c/0x12b0 kernel/locking/mutex.c:729 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:1479 [inline] pre_reset+0x19d/0x290 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1502 usb_reset_device+0x37d/0x9a0 drivers/usb/core/hub.c:6089 probe+0x10f/0x590 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1371 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+0xc35/0x21b0 drivers/base/core.c:3359 usb_set_configuration+0x113f/0x1910 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+0xc35/0x21b0 drivers/base/core.c:3359 usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2563 hub_port_connect drivers/usb/core/hub.c:5348 [inline] hub_port_connect_change drivers/usb/core/hub.c:5488 [inline] port_event drivers/usb/core/hub.c:5634 [inline] hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5716 process_one_work+0x9bf/0x1620 kernel/workqueue.c:2297 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444 kthread+0x3c2/0x4a0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 zd1211rw 4-1:110.211: error ioread32(CR_REG1): -11 usb 4-1: reset high-speed USB device number 64 using dummy_hcd usb 4-1: Using ep0 maxpacket: 16 ieee80211 phy119: Selected rate control algorithm 'minstrel_ht' zd1211rw 4-1:110.231: phy119 usb 4-1: USB disconnect, device number 64 usb 6-1: new high-speed USB device number 89 using dummy_hcd usb 6-1: Using ep0 maxpacket: 16 usb 6-1: config 63 has an invalid interface number: 126 but max is 2 usb 6-1: config 63 has an invalid interface number: 149 but max is 2 usb 6-1: config 63 has an invalid interface number: 24 but max is 2 usb 6-1: config 63 has no interface number 0 usb 6-1: config 63 has no interface number 1 usb 6-1: config 63 has no interface number 2 usb 6-1: config 63 interface 126 altsetting 64 endpoint 0xA has invalid maxpacket 1023, setting to 64 usb 6-1: config 63 interface 126 altsetting 64 endpoint 0xE has invalid maxpacket 1023, setting to 64 usb 6-1: config 63 interface 149 altsetting 0 endpoint 0x1 has invalid maxpacket 1023, setting to 64 usb 6-1: config 63 interface 149 altsetting 0 has a duplicate endpoint with address 0xA, skipping usb 6-1: config 63 interface 24 altsetting 3 has a duplicate endpoint with address 0xC, skipping usb 6-1: config 63 interface 24 altsetting 3 endpoint 0x7 has an invalid bInterval 129, changing to 7 usb 6-1: config 63 interface 24 altsetting 3 has a duplicate endpoint with address 0xC, skipping usb 6-1: config 63 interface 24 altsetting 3 has a duplicate endpoint with address 0xA, skipping usb 6-1: config 63 interface 24 altsetting 3 has a duplicate endpoint with address 0xA, skipping usb 6-1: config 63 interface 126 has no altsetting 0 usb 6-1: config 63 interface 24 has no altsetting 0 usb 6-1: Dual-Role OTG device on HNP port usb 6-1: New USB device found, idVendor=046d, idProduct=08a3, bcdDevice=27.9c usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 6-1: Product: ᡿礇䨞⿧㫚ﻇꆮ଒圞⫴ꐙ譺巷ꑃ㋶ఄ汇哢퀲ퟌ꾸鬅㳚❗앓௕כּ觅服瓹揨똃ᐩ奺斒뵉稁㋶憅ḛ诪왝癪฾揿ᫌ婙쳶ᨘ䂲歎爽顩醠ᚪ锶竜ဓ凶쏊ﰅ䜳슿覮 usb 6-1: Manufacturer: Ђ usb 6-1: SerialNumber: syz usb 6-1: USB disconnect, device number 89