usb 1-1: New USB device found, idVendor=0001, idProduct=8000, bcdDevice= 0.00
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1
usb 1-1: SerialNumber: syz
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 4476 Comm: kworker/0:9 Not tainted 6.1.115-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
 _raw_spin_lock_nested+0x5c/0x78 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline]
 raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
 rq_lock kernel/sched/sched.h:1645 [inline]
 ttwu_queue kernel/sched/core.c:3899 [inline]
 try_to_wake_up+0x4c8/0xe60 kernel/sched/core.c:4224
 default_wake_function+0x4c/0x60 kernel/sched/core.c:6882
 ep_autoremove_wake_function+0x4c/0x120 fs/eventpoll.c:1797
 __wake_up_common+0x23c/0x3bc kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up+0x10c/0x1a8 kernel/sched/wait.c:160
 ep_poll_callback+0x614/0x974 fs/eventpoll.c:1239
 __wake_up_common+0x23c/0x3bc kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up_sync_key+0x114/0x1ac kernel/sched/wait.c:208
 sock_def_readable+0x150/0x278 net/core/sock.c:3305
 __netlink_sendskb net/netlink/af_netlink.c:1273 [inline]
 netlink_broadcast_deliver net/netlink/af_netlink.c:1403 [inline]
 do_one_broadcast net/netlink/af_netlink.c:1481 [inline]
 netlink_broadcast+0x9e8/0xff4 net/netlink/af_netlink.c:1521
 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline]
 kobject_uevent_net_broadcast+0x328/0x528 lib/kobject_uevent.c:409
 kobject_uevent_env+0x530/0x874 lib/kobject_uevent.c:608
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:657
 device_add+0xa14/0xef4 drivers/base/core.c:3673
 usb_set_configuration+0x15c0/0x1b40 drivers/usb/core/message.c:2165
 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238
 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293
 really_probe+0x394/0xacc drivers/base/dd.c:639
 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:785
 driver_probe_device+0x78/0x330 drivers/base/dd.c:815
 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:943
 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:429
 __device_attach+0x2f0/0x480 drivers/base/dd.c:1015
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1064
 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:489
 device_add+0xae0/0xef4 drivers/base/core.c:3692
 usb_new_device+0x908/0x1440 drivers/usb/core/hub.c:2620
 hub_port_connect drivers/usb/core/hub.c:5477 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5617 [inline]
 port_event drivers/usb/core/hub.c:5773 [inline]
 hub_event+0x243c/0x42e4 drivers/usb/core/hub.c:5855
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
hub 1-1:1.0: bad descriptor, ignoring hub
hub: probe of 1-1:1.0 failed with error -5
cdc_ether: probe of 1-1:1.0 failed with error -32