syzbot

INFO: task syz.3.83:5354 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeo
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.83        state:D stack:0     pid:5354  tgid:5354  ppid:4833   task_flags:0x400040 flags:0x00800001
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x1b74/0x2d24 kernel/sched/core.c:7188
 __schedule_loop kernel/sched/core.c:7267 [inline]
 schedule+0xa4/0x140 kernel/sched/core.c:7282
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7339
 __mutex_lock_common+0x98c/0x20f4 kernel/locking/mutex.c:726
 __mutex_lock kernel/locking/mutex.c:820 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:873
 device_lock include/linux/device.h:1040 [inline]
 usbdev_release+0x70/0x380 drivers/usb/core/devio.c:1099
 __fput+0x340/0x744 fs/file_table.c:510
 ____fput+0x20/0x30 fs/file_table.c:538
 task_work_run+0x1c4/0x254 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0x10c/0x17c kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:224 [inline]
 arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:86 [inline]
 el0_svc+0x180/0x25c arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:742
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.0.85:5362 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.85        state:D stack:0     pid:5362  tgid:5361  ppid:4814   task_flags:0x400040 flags:0x00800001
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x1b74/0x2d24 kernel/sched/core.c:7188
 __schedule_loop kernel/sched/core.c:7267 [inline]
 schedule+0xa4/0x140 kernel/sched/core.c:7282
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7339
 __mutex_lock_common+0x98c/0x20f4 kernel/locking/mutex.c:726
 __mutex_lock kernel/locking/mutex.c:820 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:873
 device_lock include/linux/device.h:1040 [inline]
 usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
 chrdev_open+0x398/0x3e8 fs/char_dev.c:411
 do_dentry_open+0x5c8/0x10dc fs/open.c:947
 vfs_open+0x44/0x2d4 fs/open.c:1079
 do_open fs/namei.c:4699 [inline]
 path_openat+0x2234/0x2a6c fs/namei.c:4858
 do_file_open+0x1c4/0x2e4 fs/namei.c:4887
 do_sys_openat2+0x114/0x1e8 fs/open.c:1364
 do_sys_open+0xac/0xdc fs/open.c:1370
 __do_sys_openat fs/open.c:1386 [inline]
 __se_sys_openat fs/open.c:1381 [inline]
 __arm64_sys_openat+0x9c/0xb8 fs/open.c:1381
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x25c arch/arm64/kernel/entry-common.c:723
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:742
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.1.86:5367 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.86        state:D stack:0     pid:5367  tgid:5365  ppid:4815   task_flags:0x400040 flags:0x00800001
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x1b74/0x2d24 kernel/sched/core.c:7188
 __schedule_loop kernel/sched/core.c:7267 [inline]
 schedule+0xa4/0x140 kernel/sched/core.c:7282
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7339
 __mutex_lock_common+0x98c/0x20f4 kernel/locking/mutex.c:726
 __mutex_lock kernel/locking/mutex.c:820 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:873
 device_lock include/linux/device.h:1040 [inline]
 usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
 chrdev_open+0x398/0x3e8 fs/char_dev.c:411
 do_dentry_open+0x5c8/0x10dc fs/open.c:947
 vfs_open+0x44/0x2d4 fs/open.c:1079
 do_open fs/namei.c:4699 [inline]
 path_openat+0x2234/0x2a6c fs/namei.c:4858
 do_file_open+0x1c4/0x2e4 fs/namei.c:4887
 do_sys_openat2+0x114/0x1e8 fs/open.c:1364
 do_sys_open+0xac/0xdc fs/open.c:1370
 __do_sys_openat fs/open.c:1386 [inline]
 __se_sys_openat fs/open.c:1381 [inline]
 __arm64_sys_openat+0x9c/0xb8 fs/open.c:1381
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x25c arch/arm64/kernel/entry-common.c:723
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:742
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.2.87:5368 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.87        state:D stack:0     pid:5368  tgid:5366  ppid:4822   task_flags:0x400040 flags:0x00800001
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x1b74/0x2d24 kernel/sched/core.c:7188
 __schedule_loop kernel/sched/core.c:7267 [inline]
 schedule+0xa4/0x140 kernel/sched/core.c:7282
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7339
 __mutex_lock_common+0x98c/0x20f4 kernel/locking/mutex.c:726
 __mutex_lock kernel/locking/mutex.c:820 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:873
 device_lock include/linux/device.h:1040 [inline]
 usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
 chrdev_open+0x398/0x3e8 fs/char_dev.c:411
 do_dentry_open+0x5c8/0x10dc fs/open.c:947
 vfs_open+0x44/0x2d4 fs/open.c:1079
 do_open fs/namei.c:4699 [inline]
 path_openat+0x2234/0x2a6c fs/namei.c:4858
 do_file_open+0x1c4/0x2e4 fs/namei.c:4887
 do_sys_openat2+0x114/0x1e8 fs/open.c:1364
 do_sys_open+0xac/0xdc fs/open.c:1370
 __do_sys_openat fs/open.c:1386 [inline]
 __se_sys_openat fs/open.c:1381 [inline]
 __arm64_sys_openat+0x9c/0xb8 fs/open.c:1381
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x25c arch/arm64/kernel/entry-common.c:723
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:742
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.4.88:5374 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.88        state:D stack:0     pid:5374  tgid:5373  ppid:4840   task_flags:0x400040 flags:0x00800001
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x1b74/0x2d24 kernel/sched/core.c:7188
 __schedule_loop kernel/sched/core.c:7267 [inline]
 schedule+0xa4/0x140 kernel/sched/core.c:7282
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7339
 __mutex_lock_common+0x98c/0x20f4 kernel/locking/mutex.c:726
 __mutex_lock kernel/locking/mutex.c:820 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:873
 device_lock include/linux/device.h:1040 [inline]
 usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
 chrdev_open+0x398/0x3e8 fs/char_dev.c:411
 do_dentry_open+0x5c8/0x10dc fs/open.c:947
 vfs_open+0x44/0x2d4 fs/open.c:1079
 do_open fs/namei.c:4699 [inline]
 path_openat+0x2234/0x2a6c fs/namei.c:4858
 do_file_open+0x1c4/0x2e4 fs/namei.c:4887
 do_sys_openat2+0x114/0x1e8 fs/open.c:1364
 do_sys_open+0xac/0xdc fs/open.c:1370
 __do_sys_openat fs/open.c:1386 [inline]
 __se_sys_openat fs/open.c:1381 [inline]
 __arm64_sys_openat+0x9c/0xb8 fs/open.c:1381
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x25c arch/arm64/kernel/entry-common.c:723
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:742
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594

Showing all locks held in the system:
5 locks held by kworker/1:0/24:
 #0: ffff0000c2452d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x640/0x173c kernel/workqueue.c:3276
 #1: ffff80008ead7be0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x173c kernel/workqueue.c:3276
 #2: ffff0000cbe721d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #2: ffff0000cbe721d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x12c/0x3b20 drivers/usb/core/hub.c:5899
 #3: ffff0000cbe77578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
 #3: ffff0000cbe77578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
 #3: ffff0000cbe77578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 #3: ffff0000cbe77578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
 #3: ffff0000cbe77578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x198c/0x3b20 drivers/usb/core/hub.c:5953
 #4: ffff0000cb4b0b60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
 #4: ffff0000cb4b0b60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 #4: ffff0000cb4b0b60 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
 #4: ffff0000cb4b0b60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x19c0/0x3b20 drivers/usb/core/hub.c:5953
1 lock held by khungtaskd/31:
 #0: ffff800088ac66e0 (rcu_read_lock){....}-{1:3}, at: __ll_sc_atomic64_fetch_or arch/arm64/include/asm/atomic_ll_sc.h:-1 [inline]
 #0: ffff800088ac66e0 (rcu_read_lock){....}-{1:3}, at: arch_atomic64_fetch_or arch/arm64/include/asm/atomic.h:86 [inline]
 #0: ffff800088ac66e0 (rcu_read_lock){....}-{1:3}, at: raw_atomic64_fetch_or include/linux/atomic/atomic-arch-fallback.h:3816 [inline]
 #0: ffff800088ac66e0 (rcu_read_lock){....}-{1:3}, at: raw_atomic_long_fetch_or include/linux/atomic/atomic-long.h:1090 [inline]
 #0: ffff800088ac66e0 (rcu_read_lock){....}-{1:3}, at: arch_test_and_set_bit include/asm-generic/bitops/atomic.h:42 [inline]
 #0: ffff800088ac66e0 (rcu_read_lock){....}-{1:3}, at: test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:72 [inline]
 #0: ffff800088ac66e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x0/0x44 kernel/sched/sched.h:3869
2 locks held by pr/ttyAMA-1/41:
2 locks held by getty/4451:
 #0: ffff0000cfccc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009228b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x354/0xf84 drivers/tty/n_tty.c:2211
5 locks held by kworker/1:9/5089:
 #0: ffff0000c2452d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x640/0x173c kernel/workqueue.c:3276
 #1: ffff800095a87be0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x173c kernel/workqueue.c:3276
 #2: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #2: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x12c/0x3b20 drivers/usb/core/hub.c:5899
 #3: ffff0000cbc5b578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
 #3: ffff0000cbc5b578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
 #3: ffff0000cbc5b578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 #3: ffff0000cbc5b578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
 #3: ffff0000cbc5b578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x198c/0x3b20 drivers/usb/core/hub.c:5953
 #4: ffff0000cb33df60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
 #4: ffff0000cb33df60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 #4: ffff0000cb33df60 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
 #4: ffff0000cb33df60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x19c0/0x3b20 drivers/usb/core/hub.c:5953
3 locks held by kworker/0:6/5306:
 #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x640/0x173c kernel/workqueue.c:3276
 #1: ffff800095097be0 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x173c kernel/workqueue.c:3276
 #2: ffff0000c7870230 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x18c/0x30c drivers/net/netdevsim/fib.c:1490
5 locks held by kworker/0:7/5308:
 #0: ffff0000c2452d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x640/0x173c kernel/workqueue.c:3276
 #1: ffff800095057be0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x173c kernel/workqueue.c:3276
 #2: ffff0000cbd341d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #2: ffff0000cbd341d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x12c/0x3b20 drivers/usb/core/hub.c:5899
 #3: ffff0000cbd51578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
 #3: ffff0000cbd51578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
 #3: ffff0000cbd51578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 #3: ffff0000cbd51578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
 #3: ffff0000cbd51578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x198c/0x3b20 drivers/usb/core/hub.c:5953
 #4: ffff0000cb9ee060 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
 #4: ffff0000cb9ee060 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 #4: ffff0000cb9ee060 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
 #4: ffff0000cb9ee060 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x19c0/0x3b20 drivers/usb/core/hub.c:5953
1 lock held by syz.3.83/5354:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_release+0x70/0x380 drivers/usb/core/devio.c:1099
1 lock held by syz.0.85/5362:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.1.86/5367:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.2.87/5368:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.4.88/5374:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.5.89/5575:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.7.91/5579:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.6.90/5583:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.8.92/5587:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.9.93/5589:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.0.94/5701:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.4.98/5743:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
5 locks held by kworker/0:9/5747:
 #0: ffff0000c2452d40 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x640/0x173c kernel/workqueue.c:3276
 #1: ffff800093057be0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x173c kernel/workqueue.c:3276
 #2: ffff0000cbdc71d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #2: ffff0000cbdc71d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x12c/0x3b20 drivers/usb/core/hub.c:5899
 #3: ffff0000cbdc4578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
 #3: ffff0000cbdc4578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
 #3: ffff0000cbdc4578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 #3: ffff0000cbdc4578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
 #3: ffff0000cbdc4578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x198c/0x3b20 drivers/usb/core/hub.c:5953
 #4: ffff0000cb447160 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
 #4: ffff0000cb447160 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 #4: ffff0000cb447160 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
 #4: ffff0000cb447160 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x19c0/0x3b20 drivers/usb/core/hub.c:5953
1 lock held by syz.1.95/5770:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.3.97/5786:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.2.96/5790:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.5.99/5836:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.6.100/5926:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.7.101/5956:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.8.102/5995:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.9.103/6008:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.0.104/6056:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.1.105/6094:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.4.106/6140:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.3.108/6198:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.2.107/6210:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.5.109/6254:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.6.110/6299:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.7.111/6342:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.8.112/6413:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.9.113/6428:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.0.114/6467:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.1.115/6505:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.4.116/6548:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.3.118/6618:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.2.117/6622:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.5.119/6668:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.6.120/6710:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.7.121/6753:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.8.122/6831:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.9.123/6845:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.0.124/6885:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.1.125/6922:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.4.126/6965:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.2.127/7005:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.3.128/7041:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.5.129/7087:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.6.130/7130:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054
1 lock held by syz.7.131/7172:
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
 #0: ffff0000cbc261d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x664 drivers/usb/core/devio.c:1054

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