usb 9-1: enqueue for inactive port 0 vhci_hcd: vhci_device speed not set vhci_hcd: vhci_device speed not set usb 9-2: new full-speed USB device number 8 using vhci_hcd Bluetooth: hci0: command 0x0406 tx timeout INFO: task syz-executor.5:2139 blocked for more than 140 seconds. Not tainted 4.19.154-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D29088 2139 19762 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:1002 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072 device_lock include/linux/device.h:1173 [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: 0033:0x4179b1 Code: Bad RIP value. RSP: 002b:00007fdbeb922820 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004179b1 RDX: 0000000000000000 RSI: 0000000000068001 RDI: 00007fdbeb922850 RBP: 000000000118bf60 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000519 R11: 0000000000000293 R12: 000000000118bf2c R13: 00007ffd5e630c9f R14: 00007fdbeb9239c0 R15: 000000000118bf2c INFO: task syz-executor.5:2140 blocked for more than 140 seconds. Not tainted 4.19.154-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28848 2140 2139 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:1002 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072 device_lock include/linux/device.h:1173 [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: 0033:0x4179b1 Code: Bad RIP value. RSP: 002b:00007fdbeb922820 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004179b1 RDX: 0000000000000000 RSI: 0000000000068001 RDI: 00007fdbeb922850 RBP: 000000000118bf60 R08: 000000000000000f R09: 0000000000000000 R10: 000000000000051a R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd5e630c9f R14: 00007fdbeb9239c0 R15: 000000000118bf2c INFO: task syz-executor.4:2147 blocked for more than 140 seconds. Not tainted 4.19.154-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29344 2147 8120 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:1002 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072 device_lock include/linux/device.h:1173 [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: 0033:0x4179b1 Code: Bad RIP value. RSP: 002b:00007f5e64b8d820 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004179b1 RDX: 0000000000000000 RSI: 0000000000068001 RDI: 00007f5e64b8d850 RBP: 000000000118bf60 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000d7c R11: 0000000000000293 R12: 000000000118bf2c R13: 00007ffdc2956ddf R14: 00007f5e64b8e9c0 R15: 000000000118bf2c INFO: task syz-executor.4:2149 blocked for more than 140 seconds. Not tainted 4.19.154-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29344 2149 2147 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:1002 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072 device_lock include/linux/device.h:1173 [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: 0033:0x4179b1 Code: Bad RIP value. RSP: 002b:00007f5e64b8d820 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004179b1 RDX: 0000000000000000 RSI: 0000000000068001 RDI: 00007f5e64b8d850 RBP: 000000000118bf60 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000d7d R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffdc2956ddf R14: 00007f5e64b8e9c0 R15: 000000000118bf2c INFO: task syz-executor.0:2156 blocked for more than 140 seconds. Not tainted 4.19.154-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29496 2156 27021 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:1002 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072 device_lock include/linux/device.h:1173 [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: 0033:0x4179b1 Code: Bad RIP value. RSP: 002b:00007f5a46bc9820 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004179b1 RDX: 0000000000000000 RSI: 0000000000068001 RDI: 00007f5a46bc9850 RBP: 000000000118bf60 R08: 000000000000000f R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd860ffd5f R14: 00007f5a46bca9c0 R15: 000000000118bf2c INFO: task syz-executor.0:2182 blocked for more than 140 seconds. Not tainted 4.19.154-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29496 2182 27021 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:1002 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072 device_lock include/linux/device.h:1173 [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: 0033:0x4179b1 Code: Bad RIP value. RSP: 002b:00007f5a46ba8820 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004179b1 RDX: 0000000000000000 RSI: 0000000000068001 RDI: 00007f5a46ba8850 RBP: 000000000118c008 R08: 000000000000000f R09: 0000000000000000 R10: 00007f5a46ba99d0 R11: 0000000000000293 R12: 000000000118bfd4 R13: 00007ffd860ffd5f R14: 00007f5a46ba99c0 R15: 000000000118bfd4 INFO: task syz-executor.1:2173 blocked for more than 140 seconds. Not tainted 4.19.154-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D29496 2173 8114 0x00000000 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:1002 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072 device_lock include/linux/device.h:1173 [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: 0033:0x4179b1 Code: Bad RIP value. RSP: 002b:00007fbf06657820 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004179b1 RDX: 0000000000000000 RSI: 0000000000068001 RDI: 00007fbf06657850 RBP: 000000000118bf60 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd804b470f R14: 00007fbf066589c0 R15: 000000000118bf2c INFO: task syz-executor.1:2193 blocked for more than 140 seconds. Not tainted 4.19.154-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D29496 2193 8114 0x00000000 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:1002 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072 device_lock include/linux/device.h:1173 [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: 0033:0x4179b1 Code: Bad RIP value. RSP: 002b:00007fbf06657820 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004179b1 RDX: 0000000000000000 RSI: 0000000000068001 RDI: 00007fbf06657850 RBP: 000000000118bf60 R08: 000000000000000f R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd804b470f R14: 00007fbf066589c0 R15: 000000000118bf2c Showing all locks held in the system: 2 locks held by systemd/1: #0: 0000000065d57d7b (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 000000000dc21438 (&tty->atomic_write_lock){+.+.}, at: tty_write_lock drivers/tty/tty_io.c:886 [inline] #1: 000000000dc21438 (&tty->atomic_write_lock){+.+.}, at: do_tty_write drivers/tty/tty_io.c:909 [inline] #1: 000000000dc21438 (&tty->atomic_write_lock){+.+.}, at: tty_write+0x24e/0x810 drivers/tty/tty_io.c:1044 5 locks held by kworker/0:0/5: #0: 000000000281252d ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 #1: 00000000fc52b519 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 #2: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 00000000ed9c03d1 (&dev->mutex){....}, at: hub_event+0x11b/0x43f0 drivers/usb/core/hub.c:5337 #3: 00000000c36be976 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 00000000c36be976 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 00000000c36be976 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 00000000c36be976 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 00000000c36be976 (&port_dev->status_lock){+.+.}, at: hub_event+0x1ce3/0x43f0 drivers/usb/core/hub.c:5391 #4: 00000000b3ac9316 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b6/0x2fa0 drivers/usb/core/hub.c:4528 1 lock held by khungtaskd/1566: #0: 000000001cb36fb1 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4440 5 locks held by kworker/1:3/9118: #0: 000000000281252d ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 #1: 000000001f2660ba ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 #2: 000000002291587a (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 000000002291587a (&dev->mutex){....}, at: hub_event+0x11b/0x43f0 drivers/usb/core/hub.c:5337 #3: 00000000d1774dab (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 00000000d1774dab (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 00000000d1774dab (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 00000000d1774dab (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 00000000d1774dab (&port_dev->status_lock){+.+.}, at: hub_event+0x1ce3/0x43f0 drivers/usb/core/hub.c:5391 #4: 0000000089f9c30b (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b6/0x2fa0 drivers/usb/core/hub.c:4528 1 lock held by syz-executor.4/26805: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/26880: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/26921: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/26976: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/31271: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/31889: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/32053: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/32084: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/32159: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/32186: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/32198: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/32211: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/32246: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/32273: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.5/528: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/663: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/691: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/797: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/805: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/820: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/845: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/858: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/903: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/933: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/949: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/977: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1061: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1092: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1099: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1109: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/1130: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1129: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1153: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1202: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1239: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1253: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1267: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1279: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1302: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1323: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1356: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1402: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1430: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1558: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1588: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1597: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1607: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1615: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1635: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1680: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1695: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1718: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1724: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1731: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1755: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/1768: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1774: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/1787: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1797: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.4/1808: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1817: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1841: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1873: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/1896: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/2006: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/2026: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.0/2126: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_release+0x83/0x410 drivers/usb/core/devio.c:1049 1 lock held by syz-executor.5/2139: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.5/2140: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.4/2147: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.4/2149: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.0/2156: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.0/2182: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.1/2173: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 1 lock held by syz-executor.1/2193: #0: 00000000ed9c03d1 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #0: 00000000ed9c03d1 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1566 Comm: khungtaskd Not tainted 4.19.154-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2fe lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1eb 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: 26749 Comm: kworker/u4:7 Not tainted 4.19.154-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy8 ieee80211_iface_work RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111 Code: 90 d8 12 00 00 83 fa 02 75 20 48 8b 88 e0 12 00 00 8b 80 dc 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 80 df RSP: 0018:ffff88805bf2f570 EFLAGS: 00000293 RAX: ffff88804fb78000 RBX: 0000000000000001 RCX: ffffffff837fe533 RDX: 0000000000000000 RSI: ffffffff837fe53c RDI: 0000000000000005 RBP: ffffffff88b3afe0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff88b3afa0 R14: ffff88804e3c0328 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe68098e000 CR3: 0000000095796000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_preemption_disabled+0x3c/0x280 lib/smp_processor_id.c:25 rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1078 [inline] rcu_lockdep_current_cpu_online+0xb2/0x1b0 kernel/rcu/tree.c:1068 rcu_read_lock_held+0xc3/0x110 kernel/rcu/update.c:285 ieee80211_bss_info_update+0x1384/0x1800 net/mac80211/scan.c:93 ieee80211_rx_bss_info net/mac80211/ibss.c:1125 [inline] ieee80211_rx_mgmt_probe_beacon+0xb4f/0x15c0 net/mac80211/ibss.c:1607 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1345 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415