Starting OpenBSD Secure Shell server... [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. Starting Permit User Sessions... [ OK ] Started System Logging Service. [ OK ] Found device /dev/ttyS0. [ 61.121575][ T8140] sshd (8140) used greatest stack depth: 22968 bytes left [ OK ] Started Permit User Sessions. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 79.138941][ T36] audit: type=1400 audit(1628375833.825:8): avc: denied { execmem } for pid=8431 comm="syz-executor457" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 79.421789][ T8132] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 79.432949][ T20] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 79.440498][ T4262] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 79.461776][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 79.469327][ T2952] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 79.491939][ T4857] usb 4-1: new high-speed USB device number 2 using dummy_hcd Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 79.661685][ T8132] usb 6-1: Using ep0 maxpacket: 16 [ 79.672024][ T20] usb 3-1: Using ep0 maxpacket: 16 [ 79.682408][ T4262] usb 2-1: Using ep0 maxpacket: 16 [ 79.731688][ T5] usb 1-1: Using ep0 maxpacket: 16 [ 79.736966][ T2952] usb 5-1: Using ep0 maxpacket: 16 [ 79.742251][ T4857] usb 4-1: Using ep0 maxpacket: 16 [ 79.942131][ T8132] usb 6-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 79.951525][ T8132] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 79.960376][ T20] usb 3-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 79.969700][ T4262] usb 2-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 79.978916][ T8132] usb 6-1: Product: syz [ 79.983223][ T20] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 79.991245][ T20] usb 3-1: Product: syz [ 79.995485][ T4262] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 80.003566][ T8132] usb 6-1: Manufacturer: syz [ 80.008168][ T8132] usb 6-1: SerialNumber: syz [ 80.013012][ T4262] usb 2-1: Product: syz [ 80.017341][ T4262] usb 2-1: Manufacturer: syz [ 80.025402][ T20] usb 3-1: Manufacturer: syz [ 80.030012][ T20] usb 3-1: SerialNumber: syz [ 80.034702][ T4262] usb 2-1: SerialNumber: syz [ 80.041285][ T8132] usb 6-1: config 0 descriptor?? [ 80.047610][ T4262] usb 2-1: config 0 descriptor?? [ 80.055967][ T20] usb 3-1: config 0 descriptor?? [ 80.061977][ T4857] usb 4-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 80.071024][ T4857] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 80.091814][ T2952] usb 5-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 80.101092][ T5] usb 1-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 80.115100][ T2952] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 80.123453][ T5] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 80.135931][ T4857] usb 4-1: Product: syz [ 80.140390][ T4857] usb 4-1: Manufacturer: syz [ 80.146950][ T5] usb 1-1: Product: syz [ 80.151469][ T2952] usb 5-1: Product: syz [ 80.157143][ T5] usb 1-1: Manufacturer: syz [ 80.162984][ T2952] usb 5-1: Manufacturer: syz [ 80.167898][ T4857] usb 4-1: SerialNumber: syz [ 80.174665][ T2952] usb 5-1: SerialNumber: syz [ 80.179552][ T5] usb 1-1: SerialNumber: syz [ 80.187231][ T4857] usb 4-1: config 0 descriptor?? [ 80.202316][ T5] usb 1-1: config 0 descriptor?? [ 80.210741][ T2952] usb 5-1: config 0 descriptor?? executing program executing program executing program [ 80.338631][ T20] r8712u: register rtl8712_netdev_ops to netdev_ops [ 80.347594][ T4262] r8712u: register rtl8712_netdev_ops to netdev_ops [ 80.357094][ T8132] r8712u: register rtl8712_netdev_ops to netdev_ops [ 80.368801][ T4262] usb 2-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 80.378007][ T20] usb 3-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 80.386032][ T8132] usb 6-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 80.441771][ T20] usb 3-1: r8712u: Boot from EFUSE: Autoload Failed [ 80.448539][ T4262] usb 2-1: r8712u: Boot from EFUSE: Autoload Failed [ 80.455626][ T8132] usb 6-1: r8712u: Boot from EFUSE: Autoload Failed [ 80.462529][ T20] usb 3-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 80.470247][ T4262] usb 2-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 executing program executing program executing program [ 80.499616][ T8132] usb 6-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 80.526567][ T20] usb 3-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 80.534847][ T4262] usb 2-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 80.543130][ T8132] usb 6-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 80.554675][ T4857] r8712u: register rtl8712_netdev_ops to netdev_ops [ 80.562858][ T5] r8712u: register rtl8712_netdev_ops to netdev_ops [ 80.565742][ T8447] usb 3-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 80.569453][ T5] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 80.586088][ T2952] r8712u: register rtl8712_netdev_ops to netdev_ops [ 80.588547][ T8447] usb 3-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 80.601254][ T4857] usb 4-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 80.613555][ T8132] usb 6-1: USB disconnect, device number 2 [ 80.619657][ T4262] usb 2-1: USB disconnect, device number 2 [ 80.625828][ T20] usb 3-1: USB disconnect, device number 2 [ 80.630770][ T2952] usb 5-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 80.681717][ T2952] usb 5-1: r8712u: Boot from EFUSE: Autoload Failed [ 80.688348][ T2952] usb 5-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 80.696092][ T4857] usb 4-1: r8712u: Boot from EFUSE: Autoload Failed [ 80.733692][ T4857] usb 4-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 80.736539][ T8502] usb 2-1: r8712u: Firmware request failed [ 80.741169][ T4857] usb 4-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 80.747021][ T26] usb 6-1: r8712u: Firmware request failed [ 80.751608][ T8132] ================================================================== [ 80.768500][ T8132] BUG: KASAN: use-after-free in __lock_acquire+0x3d86/0x54a0 [ 80.775888][ T8132] Read of size 8 at addr ffff888040db4e28 by task kworker/1:3/8132 [ 80.778942][ T2952] usb 5-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 80.783773][ T8132] [ 80.783780][ T8132] CPU: 1 PID: 8132 Comm: kworker/1:3 Not tainted 5.14.0-rc4-syzkaller #0 [ 80.783805][ T8132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.783821][ T8132] Workqueue: usb_hub_wq hub_event [ 80.804344][ T2952] usb 5-1: USB disconnect, device number 2 [ 80.812150][ T8132] [ 80.812157][ T8132] Call Trace: [ 80.812166][ T8132] dump_stack_lvl+0xcd/0x134 [ 80.820472][ T4857] usb 4-1: USB disconnect, device number 2 [ 80.822975][ T8132] print_address_description.constprop.0.cold+0x6c/0x2d6 [ 80.823019][ T8132] ? __lock_acquire+0x3d86/0x54a0 [ 80.828051][ T8469] usb 5-1: r8712u: Firmware request failed [ 80.828594][ T8132] ? __lock_acquire+0x3d86/0x54a0 [ 80.835320][ T8469] usb 4-1: r8712u: Firmware request failed [ 80.838945][ T8132] kasan_report.cold+0x83/0xdf [ 80.872285][ T8132] ? __lock_acquire+0x3d86/0x54a0 [ 80.877320][ T8132] __lock_acquire+0x3d86/0x54a0 [ 80.882181][ T8132] ? __schedule+0x942/0x26f0 [ 80.886787][ T8132] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 80.892772][ T8132] ? io_schedule_timeout+0x140/0x140 [ 80.898071][ T8132] lock_acquire+0x1ab/0x510 [ 80.902586][ T8132] ? wait_for_completion+0x181/0x280 [ 80.907884][ T8132] ? lock_release+0x720/0x720 [ 80.912572][ T8132] ? usleep_range+0x170/0x170 [ 80.917257][ T8132] ? wait_for_completion+0x16e/0x280 [ 80.922556][ T8132] ? mark_held_locks+0x9f/0xe0 [ 80.927335][ T8132] ? _raw_spin_lock_irq+0x41/0x50 [ 80.932372][ T8132] _raw_spin_lock_irq+0x32/0x50 [ 80.937230][ T8132] ? wait_for_completion+0x181/0x280 [ 80.942525][ T8132] wait_for_completion+0x181/0x280 [ 80.947658][ T8132] ? bit_wait_io_timeout+0x160/0x160 [ 80.952953][ T8132] ? mark_held_locks+0x9f/0xe0 [ 80.957725][ T8132] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 80.963979][ T8132] r871xu_dev_remove+0x80/0x320 [ 80.968852][ T8132] usb_unbind_interface+0x1d8/0x8d0 [ 80.974064][ T8132] ? kernfs_remove_by_name_ns+0x62/0xb0 [ 80.979618][ T8132] ? usb_unbind_device+0x1a0/0x1a0 [ 80.984740][ T8132] __device_release_driver+0x3bd/0x6f0 [ 80.990215][ T8132] device_release_driver+0x26/0x40 [ 80.995336][ T8132] bus_remove_device+0x2eb/0x5a0 [ 81.000284][ T8132] device_del+0x502/0xd40 [ 81.004621][ T8132] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 81.010786][ T8132] ? __device_links_queue_sync_state+0x400/0x400 [ 81.017131][ T8132] ? lockdep_hardirqs_on+0x79/0x100 [ 81.022335][ T8132] ? preempt_schedule_thunk+0x16/0x18 [ 81.027719][ T8132] ? mutex_lock_io_nested+0xf00/0xf00 [ 81.033106][ T8132] usb_disable_device+0x35b/0x7b0 [ 81.038139][ T8132] usb_disconnect.cold+0x27a/0x78e [ 81.043265][ T8132] hub_event+0x1c9c/0x4330 [ 81.047671][ T8132] ? hub_port_debounce+0x3c0/0x3c0 [ 81.052770][ T8132] ? lock_release+0x720/0x720 [ 81.057438][ T8132] ? lock_downgrade+0x6e0/0x6e0 [ 81.062278][ T8132] ? do_raw_spin_lock+0x120/0x2b0 [ 81.067281][ T8132] process_one_work+0x98d/0x1630 [ 81.072207][ T8132] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.077573][ T8132] ? rwlock_bug.part.0+0x90/0x90 [ 81.082509][ T8132] ? _raw_spin_lock_irq+0x41/0x50 [ 81.087516][ T8132] worker_thread+0x85c/0x11f0 [ 81.092177][ T8132] ? process_one_work+0x1630/0x1630 [ 81.097387][ T8132] kthread+0x3e5/0x4d0 [ 81.101444][ T8132] ? set_kthread_struct+0x130/0x130 [ 81.106633][ T8132] ret_from_fork+0x1f/0x30 [ 81.111059][ T8132] [ 81.113376][ T8132] Allocated by task 8132: [ 81.117690][ T8132] kasan_save_stack+0x1b/0x40 [ 81.122353][ T8132] __kasan_kmalloc+0x98/0xc0 [ 81.126944][ T8132] kvmalloc_node+0xb4/0xf0 [ 81.131352][ T8132] alloc_netdev_mqs+0x98/0xe80 [ 81.136109][ T8132] r8712_init_netdev+0x1d/0xe0 [ 81.140874][ T8132] r871xu_drv_init+0xba/0x440 [ 81.145536][ T8132] usb_probe_interface+0x315/0x7f0 [ 81.150629][ T8132] really_probe+0x23c/0xcd0 [ 81.155113][ T8132] __driver_probe_device+0x338/0x4d0 [ 81.160382][ T8132] driver_probe_device+0x4c/0x1a0 [ 81.165390][ T8132] __device_attach_driver+0x20b/0x2f0 [ 81.170773][ T8132] bus_for_each_drv+0x15f/0x1e0 [ 81.175607][ T8132] __device_attach+0x228/0x4a0 [ 81.180354][ T8132] bus_probe_device+0x1e4/0x290 [ 81.185209][ T8132] device_add+0xc2f/0x2180 [ 81.189606][ T8132] usb_set_configuration+0x113a/0x1910 [ 81.195053][ T8132] usb_generic_driver_probe+0xba/0x100 [ 81.200510][ T8132] usb_probe_device+0xd9/0x2c0 [ 81.205274][ T8132] really_probe+0x23c/0xcd0 [ 81.209761][ T8132] __driver_probe_device+0x338/0x4d0 [ 81.215033][ T8132] driver_probe_device+0x4c/0x1a0 [ 81.220061][ T8132] __device_attach_driver+0x20b/0x2f0 [ 81.225418][ T8132] bus_for_each_drv+0x15f/0x1e0 [ 81.230249][ T8132] __device_attach+0x228/0x4a0 [ 81.234996][ T8132] bus_probe_device+0x1e4/0x290 [ 81.239845][ T8132] device_add+0xc2f/0x2180 [ 81.244247][ T8132] usb_new_device.cold+0x63f/0x108e [ 81.249437][ T8132] hub_event+0x2357/0x4330 [ 81.253845][ T8132] process_one_work+0x98d/0x1630 [ 81.258780][ T8132] worker_thread+0x658/0x11f0 [ 81.263462][ T8132] kthread+0x3e5/0x4d0 [ 81.267564][ T8132] ret_from_fork+0x1f/0x30 [ 81.271968][ T8132] [ 81.274273][ T8132] Freed by task 26: [ 81.278058][ T8132] kasan_save_stack+0x1b/0x40 [ 81.282720][ T8132] kasan_set_track+0x1c/0x30 [ 81.287296][ T8132] kasan_set_free_info+0x20/0x30 [ 81.292265][ T8132] __kasan_slab_free+0xcd/0x100 [ 81.297102][ T8132] kfree+0x106/0x2c0 [ 81.301040][ T8132] kvfree+0x42/0x50 [ 81.304833][ T8132] free_netdev+0x495/0x5b0 [ 81.309262][ T8132] rtl871x_load_fw_cb.cold+0xf7/0x117 [ 81.314638][ T8132] request_firmware_work_func+0x12c/0x230 [ 81.320346][ T8132] process_one_work+0x98d/0x1630 [ 81.325288][ T8132] worker_thread+0x658/0x11f0 [ 81.329952][ T8132] kthread+0x3e5/0x4d0 [ 81.334016][ T8132] ret_from_fork+0x1f/0x30 [ 81.338530][ T8132] [ 81.340851][ T8132] The buggy address belongs to the object at ffff888040db0000 [ 81.340851][ T8132] which belongs to the cache kmalloc-32k of size 32768 [ 81.355059][ T8132] The buggy address is located 20008 bytes inside of [ 81.355059][ T8132] 32768-byte region [ffff888040db0000, ffff888040db8000) [ 81.368659][ T8132] The buggy address belongs to the page: [ 81.374267][ T8132] page:ffffea0001036c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x40db0 [ 81.384405][ T8132] head:ffffea0001036c00 order:4 compound_mapcount:0 compound_pincount:0 [ 81.392713][ T8132] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 81.400681][ T8132] raw: 00fff00000010200 ffffea0001036808 ffffea0000e25808 ffff888010840c00 [ 81.409259][ T8132] raw: 0000000000000000 ffff888040db0000 0000000100000001 0000000000000000 [ 81.417833][ T8132] page dumped because: kasan: bad access detected [ 81.424222][ T8132] page_owner tracks the page as allocated [ 81.429927][ T8132] page last allocated via order 4, migratetype Unmovable, gfp_mask 0x2460c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_COMP|__GFP_THISNODE), pid 8132, ts 80356700631, free_ts 0 [ 81.448577][ T8132] get_page_from_freelist+0xa72/0x2f80 [ 81.454028][ T8132] __alloc_pages+0x1b2/0x500 [ 81.458625][ T8132] cache_grow_begin+0x75/0x460 [ 81.463378][ T8132] cache_alloc_refill+0x27f/0x380 [ 81.468399][ T8132] kmem_cache_alloc_node_trace+0x4ca/0x5d0 [ 81.474187][ T8132] __kmalloc_node+0x38/0x60 [ 81.478689][ T8132] kvmalloc_node+0xb4/0xf0 [ 81.483107][ T8132] alloc_netdev_mqs+0x98/0xe80 [ 81.487856][ T8132] r8712_init_netdev+0x1d/0xe0 [ 81.492609][ T8132] r871xu_drv_init+0xba/0x440 [ 81.497306][ T8132] usb_probe_interface+0x315/0x7f0 [ 81.502407][ T8132] really_probe+0x23c/0xcd0 [ 81.506897][ T8132] __driver_probe_device+0x338/0x4d0 [ 81.512164][ T8132] driver_probe_device+0x4c/0x1a0 [ 81.517175][ T8132] __device_attach_driver+0x20b/0x2f0 [ 81.522557][ T8132] bus_for_each_drv+0x15f/0x1e0 [ 81.527423][ T8132] page_owner free stack trace missing [ 81.532771][ T8132] [ 81.535079][ T8132] Memory state around the buggy address: [ 81.540684][ T8132] ffff888040db4d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 81.548723][ T8132] ffff888040db4d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 81.556765][ T8132] >ffff888040db4e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 81.564804][ T8132] ^ [ 81.570178][ T8132] ffff888040db4e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 81.578227][ T8132] ffff888040db4f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 81.586269][ T8132] ================================================================== [ 81.594312][ T8132] Disabling lock debugging due to kernel taint [ 81.600447][ T8132] Kernel panic - not syncing: panic_on_warn set ... [ 81.607009][ T8132] CPU: 1 PID: 8132 Comm: kworker/1:3 Tainted: G B 5.14.0-rc4-syzkaller #0 [ 81.616790][ T8132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.626826][ T8132] Workqueue: usb_hub_wq hub_event [ 81.631837][ T8132] Call Trace: [ 81.635108][ T8132] dump_stack_lvl+0xcd/0x134 [ 81.639693][ T8132] panic+0x306/0x73d [ 81.643579][ T8132] ? __warn_printk+0xf3/0xf3 [ 81.648153][ T8132] ? __lock_acquire+0x3d86/0x54a0 [ 81.653176][ T8132] ? __lock_acquire+0x3d86/0x54a0 [ 81.658198][ T8132] ? __lock_acquire+0x3d86/0x54a0 [ 81.663200][ T8132] end_report.cold+0x5a/0x5a [ 81.667789][ T8132] kasan_report.cold+0x71/0xdf [ 81.672535][ T8132] ? __lock_acquire+0x3d86/0x54a0 [ 81.677538][ T8132] __lock_acquire+0x3d86/0x54a0 [ 81.682368][ T8132] ? __schedule+0x942/0x26f0 [ 81.686941][ T8132] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 81.692907][ T8132] ? io_schedule_timeout+0x140/0x140 [ 81.698184][ T8132] lock_acquire+0x1ab/0x510 [ 81.702673][ T8132] ? wait_for_completion+0x181/0x280 [ 81.707951][ T8132] ? lock_release+0x720/0x720 [ 81.712625][ T8132] ? usleep_range+0x170/0x170 [ 81.717283][ T8132] ? wait_for_completion+0x16e/0x280 [ 81.722553][ T8132] ? mark_held_locks+0x9f/0xe0 [ 81.727312][ T8132] ? _raw_spin_lock_irq+0x41/0x50 [ 81.732317][ T8132] _raw_spin_lock_irq+0x32/0x50 [ 81.737150][ T8132] ? wait_for_completion+0x181/0x280 [ 81.742417][ T8132] wait_for_completion+0x181/0x280 [ 81.747513][ T8132] ? bit_wait_io_timeout+0x160/0x160 [ 81.752802][ T8132] ? mark_held_locks+0x9f/0xe0 [ 81.757564][ T8132] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 81.763787][ T8132] r871xu_dev_remove+0x80/0x320 [ 81.768621][ T8132] usb_unbind_interface+0x1d8/0x8d0 [ 81.773801][ T8132] ? kernfs_remove_by_name_ns+0x62/0xb0 [ 81.779332][ T8132] ? usb_unbind_device+0x1a0/0x1a0 [ 81.784425][ T8132] __device_release_driver+0x3bd/0x6f0 [ 81.789882][ T8132] device_release_driver+0x26/0x40 [ 81.794976][ T8132] bus_remove_device+0x2eb/0x5a0 [ 81.799898][ T8132] device_del+0x502/0xd40 [ 81.804208][ T8132] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 81.810343][ T8132] ? __device_links_queue_sync_state+0x400/0x400 [ 81.816649][ T8132] ? lockdep_hardirqs_on+0x79/0x100 [ 81.821828][ T8132] ? preempt_schedule_thunk+0x16/0x18 [ 81.827182][ T8132] ? mutex_lock_io_nested+0xf00/0xf00 [ 81.832540][ T8132] usb_disable_device+0x35b/0x7b0 [ 81.837545][ T8132] usb_disconnect.cold+0x27a/0x78e [ 81.842641][ T8132] hub_event+0x1c9c/0x4330 [ 81.847040][ T8132] ? hub_port_debounce+0x3c0/0x3c0 [ 81.852134][ T8132] ? lock_release+0x720/0x720 [ 81.856790][ T8132] ? lock_downgrade+0x6e0/0x6e0 [ 81.861623][ T8132] ? do_raw_spin_lock+0x120/0x2b0 [ 81.866657][ T8132] process_one_work+0x98d/0x1630 [ 81.871579][ T8132] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.876933][ T8132] ? rwlock_bug.part.0+0x90/0x90 [ 81.881871][ T8132] ? _raw_spin_lock_irq+0x41/0x50 [ 81.886881][ T8132] worker_thread+0x85c/0x11f0 [ 81.891565][ T8132] ? process_one_work+0x1630/0x1630 [ 81.896745][ T8132] kthread+0x3e5/0x4d0 [ 81.900812][ T8132] ? set_kthread_struct+0x130/0x130 [ 81.905990][ T8132] ret_from_fork+0x1f/0x30 [ 81.911582][ T8132] Kernel Offset: disabled [ 81.915890][ T8132] Rebooting in 86400 seconds..