zd1211rw 1-1:5.230: phy376 zd1211rw 1-1:5.37: error ioread32(CR_REG1): -11 ============================================ WARNING: possible recursive locking detected 6.5.0-rc2-syzkaller #0 Not tainted -------------------------------------------- kworker/0:6/15236 is trying to acquire lock: ffff8881172c6030 (&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: ffff88811b15e030 (&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/0:6/15236: #0: ffff88810c67d938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88810c67d938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88810c67d938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88810c67d938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88810c67d938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline] #0: ffff88810c67d938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ffff88810c67d938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567 #1: ffffc90001d5fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571 #2: ffff88810279a190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #2: ffff88810279a190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1cc/0x5330 drivers/usb/core/hub.c:5754 #3: ffff8881212d2190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #3: ffff8881212d2190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1003 #4: ffff888117442160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #4: ffff888117442160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1003 #5: ffff88811b15e030 (&chip->mutex){+.+.}-{3:3}, at: pre_reset+0x209/0x270 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1503 stack backtrace: CPU: 0 PID: 15236 Comm: kworker/0:6 Not tainted 6.5.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 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:3070 [inline] validate_chain kernel/locking/lockdep.c:3863 [inline] __lock_acquire+0x2971/0x5de0 kernel/locking/lockdep.c:5144 lock_acquire kernel/locking/lockdep.c:5761 [inline] lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726 __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:6195 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:798 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:828 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:956 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x11f1/0x1b40 drivers/base/core.c:3625 usb_set_configuration+0x10cb/0x1c40 drivers/usb/core/message.c:2211 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:798 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:828 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:956 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532 device_add+0x11f1/0x1b40 drivers/base/core.c:3625 usb_new_device+0xd80/0x1960 drivers/usb/core/hub.c:2590 hub_port_connect drivers/usb/core/hub.c:5422 [inline] hub_port_connect_change drivers/usb/core/hub.c:5566 [inline] port_event drivers/usb/core/hub.c:5726 [inline] hub_event+0x30fd/0x5330 drivers/usb/core/hub.c:5808 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597 worker_thread+0x687/0x1110 kernel/workqueue.c:2748 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 zd1211rw 1-1:5.230: error ioread32(CR_REG1): -11 usb 1-1: reset high-speed USB device number 35 using dummy_hcd usb 1-1: device firmware changed zd1211rw 1-1:5.96: couldn't reset usb device. Error number -19 zd1211rw 1-1:5.148: couldn't reset usb device. Error number -22 zd1211rw: probe of 1-1:5.148 failed with error -22 usb 1-1: USB disconnect, device number 35 usb 1-1: new high-speed USB device number 36 using dummy_hcd usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 1-1: New USB device found, idVendor=1d34, idProduct=000a, bcdDevice= 0.40 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? hid-led 0003:1D34:000A.019F: hidraw0: USB HID v0.00 Device [HID 1d34:000a] on usb-dummy_hcd.0-1/input0 hid-led 0003:1D34:000A.019F: Dream Cheeky Webmail Notifier initialized usb 1-1: new high-speed USB device number 37 using dummy_hcd usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 1-1: New USB device found, idVendor=1d34, idProduct=000a, bcdDevice= 0.40 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? hid-led 0003:1D34:000A.01A0: hidraw0: USB HID v0.00 Device [HID 1d34:000a] on usb-dummy_hcd.0-1/input0 hid-led 0003:1D34:000A.01A0: Dream Cheeky Webmail Notifier initialized usb 3-1: USB disconnect, device number 120 usb 3-1: ath9k_htc: USB layer deinitialized usb 3-1: new high-speed USB device number 121 using dummy_hcd usb 3-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 3-1: Product: syz usb 3-1: Manufacturer: syz usb 3-1: SerialNumber: syz usb 3-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested usb 5-1: new high-speed USB device number 44 using dummy_hcd usb 5-1: Using ep0 maxpacket: 8 usb 5-1: New USB device found, idVendor=12d1, idProduct=45e0, bcdDevice=ce.76 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? huawei_cdc_ncm 5-1:0.0: CDC Union missing and no IAD found huawei_cdc_ncm 5-1:0.0: bind() failure