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 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