INFO: task syz.0.75:4797 blocked for more than 143 seconds. Not tainted 6.1.115-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.75 state:D stack:0 pid:4797 ppid:4445 flags:0x00000001 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 device_lock include/linux/device.h:837 [inline] usbdev_release+0x80/0x6fc drivers/usb/core/devio.c:1097 __fput+0x1c8/0x7c8 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x240/0x2f0 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2148/0x3474 arch/arm64/kernel/signal.c:1132 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.4.80:4823 blocked for more than 143 seconds. Not tainted 6.1.115-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.80 state:D stack:0 pid:4823 ppid:4458 flags:0x00000001 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 device_lock include/linux/device.h:837 [inline] usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 chrdev_open+0x3e8/0x4fc fs/char_dev.c:414 do_dentry_open+0x734/0xfa0 fs/open.c:882 vfs_open+0x7c/0x90 fs/open.c:1013 do_open fs/namei.c:3626 [inline] path_openat+0x1e14/0x2548 fs/namei.c:3783 do_filp_open+0x1bc/0x3cc fs/namei.c:3810 do_sys_openat2+0x128/0x3e0 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.2.81:4828 blocked for more than 143 seconds. Not tainted 6.1.115-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.81 state:D stack:0 pid:4828 ppid:4451 flags:0x00000001 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 device_lock include/linux/device.h:837 [inline] usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 chrdev_open+0x3e8/0x4fc fs/char_dev.c:414 do_dentry_open+0x734/0xfa0 fs/open.c:882 vfs_open+0x7c/0x90 fs/open.c:1013 do_open fs/namei.c:3626 [inline] path_openat+0x1e14/0x2548 fs/namei.c:3783 do_filp_open+0x1bc/0x3cc fs/namei.c:3810 do_sys_openat2+0x128/0x3e0 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.1.82:4832 blocked for more than 143 seconds. Not tainted 6.1.115-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.82 state:D stack:0 pid:4832 ppid:4450 flags:0x00000001 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 device_lock include/linux/device.h:837 [inline] usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 chrdev_open+0x3e8/0x4fc fs/char_dev.c:414 do_dentry_open+0x734/0xfa0 fs/open.c:882 vfs_open+0x7c/0x90 fs/open.c:1013 do_open fs/namei.c:3626 [inline] path_openat+0x1e14/0x2548 fs/namei.c:3783 do_filp_open+0x1bc/0x3cc fs/namei.c:3810 do_sys_openat2+0x128/0x3e0 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.3.83:4833 blocked for more than 143 seconds. Not tainted 6.1.115-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.83 state:D stack:0 pid:4833 ppid:4453 flags:0x00000001 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6693 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 device_lock include/linux/device.h:837 [inline] usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 chrdev_open+0x3e8/0x4fc fs/char_dev.c:414 do_dentry_open+0x734/0xfa0 fs/open.c:882 vfs_open+0x7c/0x90 fs/open.c:1013 do_open fs/namei.c:3626 [inline] path_openat+0x1e14/0x2548 fs/namei.c:3783 do_filp_open+0x1bc/0x3cc fs/namei.c:3810 do_sys_openat2+0x128/0x3e0 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015ba5bf0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff800015ba63f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015ba5a20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by getty/4062: #0: ffff0000d66d6098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001efb02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198 5 locks held by kworker/0:4/4356: #0: ffff0000c46b0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff8000210b7c20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff0000d26bc190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #2: ffff0000d26bc190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b0/0x42e4 drivers/usb/core/hub.c:5801 #3: ffff0000d26bf510 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3159 [inline] #3: ffff0000d26bf510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5373 [inline] #3: ffff0000d26bf510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5617 [inline] #3: ffff0000d26bf510 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5773 [inline] #3: ffff0000d26bf510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1bdc/0x42e4 drivers/usb/core/hub.c:5855 #4: ffff0000d25fa468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5374 [inline] #4: ffff0000d25fa468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5617 [inline] #4: ffff0000d25fa468 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5773 [inline] #4: ffff0000d25fa468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1c04/0x42e4 drivers/usb/core/hub.c:5855 2 locks held by kworker/u4:0/4357: 5 locks held by kworker/1:24/4430: #0: ffff0000c46b0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff8000217d7c20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff0000d25d0190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #2: ffff0000d25d0190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b0/0x42e4 drivers/usb/core/hub.c:5801 #3: ffff0000d25d3510 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3159 [inline] #3: ffff0000d25d3510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5373 [inline] #3: ffff0000d25d3510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5617 [inline] #3: ffff0000d25d3510 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5773 [inline] #3: ffff0000d25d3510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1bdc/0x42e4 drivers/usb/core/hub.c:5855 #4: ffff0000d20ba868 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5374 [inline] #4: ffff0000d20ba868 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5617 [inline] #4: ffff0000d20ba868 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5773 [inline] #4: ffff0000d20ba868 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1c04/0x42e4 drivers/usb/core/hub.c:5855 5 locks held by kworker/0:5/4583: #0: ffff0000c46b0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021b37c20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #2: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b0/0x42e4 drivers/usb/core/hub.c:5801 #3: ffff0000d1f53510 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3159 [inline] #3: ffff0000d1f53510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5373 [inline] #3: ffff0000d1f53510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5617 [inline] #3: ffff0000d1f53510 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5773 [inline] #3: ffff0000d1f53510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1bdc/0x42e4 drivers/usb/core/hub.c:5855 #4: ffff0000d1a9c668 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5374 [inline] #4: ffff0000d1a9c668 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5617 [inline] #4: ffff0000d1a9c668 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5773 [inline] #4: ffff0000d1a9c668 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1c04/0x42e4 drivers/usb/core/hub.c:5855 3 locks held by kworker/0:6/4710: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021db7c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff00010a9ce240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x270/0x32bc drivers/net/netdevsim/fib.c:1489 1 lock held by syz.0.75/4797: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x80/0x6fc drivers/usb/core/devio.c:1097 1 lock held by syz.4.80/4823: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.2.81/4828: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.1.82/4832: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.3.83/4833: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.5.84/4955: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.9.88/4959: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.8.87/4963: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.7.86/4967: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.6.85/4972: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.0.89/5028: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.3.92/5054: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.2.91/5065: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.1.90/5062: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.4.93/5067: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.5.94/5100: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.6.95/5163: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.9.98/5197: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.7.96/5201: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.8.97/5205: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.0.99/5224: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.1.100/5241: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.2.101/5279: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.3.102/5297: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.4.103/5301: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.5.104/5327: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.6.105/5355: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.7.106/5391: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.8.107/5427: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.9.108/5434: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.0.109/5449: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.1.110/5466: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.2.111/5482: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.3.112/5532: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.4.113/5536: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.5.114/5550: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.6.115/5576: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.7.116/5602: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.8.117/5649: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.9.118/5663: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 1 lock held by syz.0.119/5671: #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #0: ffff0000d1f3f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1052 7 locks held by syz-executor/5675: #0: ffff0000d9040460 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x244/0x91c fs/read_write.c:580 #1: ffff0000d01c0888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000d0eb1660 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff8000173b6c68 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:209 #4: ffff0000ca5390e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff0000ca5390e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1080 [inline] #4: ffff0000ca5390e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x724 drivers/base/dd.c:1283 #5: ffff0000ca53c2f8 (&devlink->lock_key#33){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/leftover.c:275 #6: ffff800017ff4688 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 =============================================