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 =============================================