Bluetooth: hci11: command 0x041b tx timeout
Bluetooth: hci10: command 0x040f tx timeout
Bluetooth: hci11: command 0x040f tx timeout
Bluetooth: hci10: command 0x0419 tx timeout
Bluetooth: hci11: command 0x0419 tx timeout
INFO: task kworker/0:0:9850 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:0     D27720  9850      2 0x80000000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692
 usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63
 usb_internal_control_msg drivers/usb/core/message.c:101 [inline]
 usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152
 hub_port_init+0x12dc/0x3120 drivers/usb/core/hub.c:4704
 hub_port_connect drivers/usb/core/hub.c:5070 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5253 [inline]
 port_event drivers/usb/core/hub.c:5361 [inline]
 hub_event+0x1ccd/0x44a0 drivers/usb/core/hub.c:5441
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
INFO: task syz-executor.1:10788 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1  D28648 10788   8137 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 device_lock include/linux/device.h:1174 [inline]
 usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fd098b5df5b
Code: Bad RIP value.
RSP: 002b:00007ffd7ffe66e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 00007fd098b5df5b
RDX: 0000000000000000 RSI: 0000001b2f222a3c RDI: 0000000000000007
RBP: 00007fd098ccd980 R08: 0000000000000000 R09: 00000000ee5a3a10
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000b9946
R13: 00007ffd7ffe67e0 R14: 00007fd098ccc050 R15: 0000000000000032
INFO: task syz-executor.4:10815 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4  D28704 10815   8164 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 device_lock include/linux/device.h:1174 [inline]
 usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
 chrdev_open+0x266/0x770 fs/char_dev.c:423
 do_dentry_open+0x4aa/0x1160 fs/open.c:796
 do_last fs/namei.c:3421 [inline]
 path_openat+0x793/0x2df0 fs/namei.c:3537
 do_filp_open+0x18c/0x3f0 fs/namei.c:3567
 do_sys_open+0x3b3/0x520 fs/open.c:1085
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f9cc51b0234
Code: Bad RIP value.
RSP: 002b:00007f9cc374eca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007f9cc51b0234
RDX: 0000000000000000 RSI: 00007f9cc374ed40 RDI: 00000000ffffff9c
RBP: 00007f9cc374ed40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffc2909872f R14: 00007f9cc374f300 R15: 0000000000022000
INFO: task syz-executor.0:10805 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D29504 10805   8124 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 device_lock include/linux/device.h:1174 [inline]
 usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
 chrdev_open+0x266/0x770 fs/char_dev.c:423
 do_dentry_open+0x4aa/0x1160 fs/open.c:796
 do_last fs/namei.c:3421 [inline]
 path_openat+0x793/0x2df0 fs/namei.c:3537
 do_filp_open+0x18c/0x3f0 fs/namei.c:3567
 do_sys_open+0x3b3/0x520 fs/open.c:1085
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f4d31b2e234
Code: Bad RIP value.
RSP: 002b:00007f4d300ccca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007f4d31b2e234
RDX: 0000000000000001 RSI: 00007f4d300ccd40 RDI: 00000000ffffff9c
RBP: 00007f4d300ccd40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffed8d97d8f R14: 00007f4d300cd300 R15: 0000000000022000

Showing all locks held in the system:
2 locks held by kworker/u4:3/261:
1 lock held by khungtaskd/1570:
 #0: 00000000be5b4a57 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by in:imklog/7832:
 #0: 0000000016693d7d (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
5 locks held by kworker/0:0/9850:
 #0: 000000001879fcde ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
 #1: 000000004778bb9b ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
 #2: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #2: 00000000811dcafa (&dev->mutex){....}, at: hub_event+0x11e/0x44a0 drivers/usb/core/hub.c:5387
 #3: 00000000b159bfa6 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2983 [inline]
 #3: 00000000b159bfa6 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5069 [inline]
 #3: 00000000b159bfa6 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5253 [inline]
 #3: 00000000b159bfa6 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5361 [inline]
 #3: 00000000b159bfa6 (&port_dev->status_lock){+.+.}, at: hub_event+0x1cb8/0x44a0 drivers/usb/core/hub.c:5441
 #4: 0000000097afa415 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x3120 drivers/usb/core/hub.c:4578
1 lock held by syz-executor.1/10788:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.4/10815:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.0/10805:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.4/11634:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.0/11741:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.1/11743:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.5/11903:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.4/12236:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.0/12560:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.1/12607:
 #0: 00000000811dcafa (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
 #0: 00000000811dcafa (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007

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

NMI backtrace for cpu 1
CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
 watchdog+0x991/0xe60 kernel/hung_task.c:287
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4695 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100
Code: e8 11 dd 35 00 e9 ab fe ff ff 4c 89 ef e8 04 dd 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 <65> 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00
RSP: 0000:ffff8880a08cfc50 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff8880a08cfd48 RCX: ffffffff814bdebb
RDX: 1ffff11014119fb3 RSI: ffffffff818c28f2 RDI: ffff8880a1ae4420
RBP: ffffea0002818cc0 R08: 0000000000000001 R09: ffffed101435c884
R10: ffff8880a1ae4423 R11: 0000000000000000 R12: 00000000aa6a5000
R13: ffff8880a0906988 R14: ffff8880aa6a5d78 R15: ffff888000000000
FS:  00007f62f9de68c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62f73af000 CR3: 00000000a0e3c000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 alloc_set_pte+0x622/0x1a00 mm/memory.c:3614
 finish_fault+0x170/0x2c0 mm/memory.c:3673
 do_shared_fault mm/memory.c:3888 [inline]
 do_fault mm/memory.c:3948 [inline]
 handle_pte_fault mm/memory.c:4175 [inline]
 __handle_mm_fault+0x2694/0x41c0 mm/memory.c:4299
 handle_mm_fault+0x436/0xb10 mm/memory.c:4336
 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x7f62f90ef124
Code: fe 6f 4e 20 c5 fe 6f 56 40 c5 fe 6f 5e 60 c5 fe 6f 64 16 e0 c5 fe 6f 6c 16 c0 c5 fe 6f 74 16 a0 c5 fe 6f 7c 16 80 c5 fe 7f 07 <c5> fe 7f 4f 20 c5 fe 7f 57 40 c5 fe 7f 5f 60 c5 fe 7f 64 17 e0 c5
RSP: 002b:00007ffef75d2d78 EFLAGS: 00010202
RAX: 00007f62f73aefd8 RBX: 0000000000000090 RCX: 0000000000449f98
RDX: 0000000000000090 RSI: 00007ffef75d2e20 RDI: 00007f62f73aefd8
RBP: 0000000000000000 R08: 000000000044a068 R09: 00007ffef75d5eb0
R10: 000fd1a36e418fe6 R11: 00007f62f73aef98 R12: 000055874e9e1e80
R13: 764b32f9d7f1bca6 R14: 00007ffef75d3010 R15: 00007ffef75d2e20