Warning: Permanently added '10.128.0.184' (ECDSA) to the list of known hosts. 2019/08/07 13:55:28 parsed 1 programs 2019/08/07 13:55:28 executed programs: 0 [ 35.844015][ T1867] cgroup1: Unknown subsys name 'perf_event' [ 35.851342][ T1867] cgroup1: Unknown subsys name 'net_cls' [ 35.855775][ T1871] cgroup1: Unknown subsys name 'perf_event' [ 35.860444][ T1870] cgroup1: Unknown subsys name 'perf_event' [ 35.866626][ T1874] cgroup1: Unknown subsys name 'perf_event' [ 35.870007][ T1870] cgroup1: Unknown subsys name 'net_cls' [ 35.881503][ T1871] cgroup1: Unknown subsys name 'net_cls' [ 35.882907][ T1876] cgroup1: Unknown subsys name 'perf_event' [ 35.890957][ T1878] cgroup1: Unknown subsys name 'perf_event' [ 35.895400][ T1876] cgroup1: Unknown subsys name 'net_cls' [ 35.906150][ T1874] cgroup1: Unknown subsys name 'net_cls' [ 35.918739][ T1878] cgroup1: Unknown subsys name 'net_cls' [ 38.727158][ T22] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 38.927109][ T12] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 38.957117][ T17] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 38.964672][ T107] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 38.972206][ T22] usb 4-1: Using ep0 maxpacket: 16 [ 38.977200][ T1749] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 38.987120][ T2868] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 39.097556][ T22] usb 4-1: config 0 has an invalid interface number: 234 but max is 0 [ 39.105803][ T22] usb 4-1: config 0 has no interface number 0 [ 39.112181][ T22] usb 4-1: config 0 interface 234 altsetting 0 endpoint 0x8D has an invalid bInterval 255, changing to 11 [ 39.123577][ T22] usb 4-1: config 0 interface 234 altsetting 0 endpoint 0x7 has invalid maxpacket 1843, setting to 1024 [ 39.134726][ T22] usb 4-1: config 0 interface 234 altsetting 0 bulk endpoint 0x7 has invalid maxpacket 1024 [ 39.144822][ T22] usb 4-1: config 0 interface 234 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 39.154857][ T22] usb 4-1: New USB device found, idVendor=0421, idProduct=0486, bcdDevice=14.d7 [ 39.163903][ T22] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.173312][ T22] usb 4-1: config 0 descriptor?? [ 39.187344][ T12] usb 2-1: Using ep0 maxpacket: 16 [ 39.217206][ T17] usb 5-1: Using ep0 maxpacket: 16 [ 39.222620][ T107] usb 6-1: Using ep0 maxpacket: 16 [ 39.227810][ T2868] usb 3-1: Using ep0 maxpacket: 16 [ 39.237180][ T1749] usb 1-1: Using ep0 maxpacket: 16 [ 39.237294][ T22] rndis_wlan 4-1:0.234: invalid descriptor buffer length [ 39.249500][ T22] usb 4-1: bad CDC descriptors [ 39.260055][ T22] rndis_host 4-1:0.234: invalid descriptor buffer length [ 39.267318][ T22] usb 4-1: bad CDC descriptors [ 39.272406][ T22] cdc_acm 4-1:0.234: invalid descriptor buffer length [ 39.279266][ T22] cdc_acm 4-1:0.234: No union descriptor, testing for castrated device [ 39.288074][ T22] cdc_acm: probe of 4-1:0.234 failed with error -12 [ 39.317237][ T12] usb 2-1: config 0 has an invalid interface number: 234 but max is 0 [ 39.325478][ T12] usb 2-1: config 0 has no interface number 0 [ 39.331823][ T12] usb 2-1: config 0 interface 234 altsetting 0 endpoint 0x8D has an invalid bInterval 255, changing to 11 [ 39.337189][ T17] usb 5-1: config 0 has an invalid interface number: 234 but max is 0 [ 39.343173][ T12] usb 2-1: config 0 interface 234 altsetting 0 endpoint 0x7 has invalid maxpacket 1843, setting to 1024 [ 39.351642][ T17] usb 5-1: config 0 has no interface number 0 [ 39.362740][ T12] usb 2-1: config 0 interface 234 altsetting 0 bulk endpoint 0x7 has invalid maxpacket 1024 [ 39.362755][ T12] usb 2-1: config 0 interface 234 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 39.368897][ T107] usb 6-1: config 0 has an invalid interface number: 234 but max is 0 [ 39.378886][ T12] usb 2-1: New USB device found, idVendor=0421, idProduct=0486, bcdDevice=14.d7 [ 39.378900][ T12] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.388812][ T107] usb 6-1: config 0 has no interface number 0 [ 39.401700][ T12] usb 2-1: config 0 descriptor?? [ 39.406023][ T2868] usb 3-1: config 0 has an invalid interface number: 234 but max is 0 [ 39.414091][ T1749] usb 1-1: config 0 has an invalid interface number: 234 but max is 0 [ 39.420013][ T2868] usb 3-1: config 0 has no interface number 0 [ 39.420772][ T2868] usb 3-1: config 0 interface 234 altsetting 0 endpoint 0x8D has an invalid bInterval 255, changing to 11 [ 39.424981][ T1749] usb 1-1: config 0 has no interface number 0 [ 39.428241][ T1749] usb 1-1: config 0 interface 234 altsetting 0 endpoint 0x8D has an invalid bInterval 255, changing to 11 [ 39.433267][ T2868] usb 3-1: config 0 interface 234 altsetting 0 endpoint 0x7 has invalid maxpacket 1843, setting to 1024 [ 39.441403][ T1749] usb 1-1: config 0 interface 234 altsetting 0 endpoint 0x7 has invalid maxpacket 1843, setting to 1024 [ 39.447448][ T2868] usb 3-1: config 0 interface 234 altsetting 0 bulk endpoint 0x7 has invalid maxpacket 1024 [ 39.458733][ T1749] usb 1-1: config 0 interface 234 altsetting 0 bulk endpoint 0x7 has invalid maxpacket 1024 [ 39.464772][ T2868] usb 3-1: config 0 interface 234 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 39.476081][ T1749] usb 1-1: config 0 interface 234 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 39.487450][ T2868] usb 3-1: New USB device found, idVendor=0421, idProduct=0486, bcdDevice=14.d7 [ 39.498543][ T1749] usb 1-1: New USB device found, idVendor=0421, idProduct=0486, bcdDevice=14.d7 [ 39.508730][ T2868] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.508878][ T17] usb 5-1: config 0 interface 234 altsetting 0 endpoint 0x8D has an invalid bInterval 255, changing to 11 [ 39.518892][ T1749] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.523872][ T1749] usb 1-1: config 0 descriptor?? [ 39.528888][ T17] usb 5-1: config 0 interface 234 altsetting 0 endpoint 0x7 has invalid maxpacket 1843, setting to 1024 [ 39.528904][ T17] usb 5-1: config 0 interface 234 altsetting 0 bulk endpoint 0x7 has invalid maxpacket 1024 [ 39.540382][ T2876] usb 4-1: USB disconnect, device number 2 [ 39.547947][ T17] usb 5-1: config 0 interface 234 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 39.547972][ T17] usb 5-1: New USB device found, idVendor=0421, idProduct=0486, bcdDevice=14.d7 [ 39.560662][ T2876] ================================================================== [ 39.564996][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.576717][ T2876] BUG: KASAN: use-after-free in __lock_acquire+0x3a5d/0x5340 [ 39.576727][ T2876] Read of size 8 at addr ffff8881d4a54510 by task kworker/0:3/2876 [ 39.576729][ T2876] [ 39.576744][ T2876] CPU: 0 PID: 2876 Comm: kworker/0:3 Not tainted 5.2.0-rc6+ #1 [ 39.584838][ T107] usb 6-1: config 0 interface 234 altsetting 0 endpoint 0x8D has an invalid bInterval 255, changing to 11 [ 39.589593][ T2876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.589607][ T2876] Workqueue: usb_hub_wq hub_event [ 39.589611][ T2876] Call Trace: [ 39.589626][ T2876] dump_stack+0xca/0x13e [ 39.589636][ T2876] ? __lock_acquire+0x3a5d/0x5340 [ 39.589649][ T2876] ? __lock_acquire+0x3a5d/0x5340 [ 39.600788][ T107] usb 6-1: config 0 interface 234 altsetting 0 endpoint 0x7 has invalid maxpacket 1843, setting to 1024 [ 39.610932][ T2876] print_address_description+0x67/0x231 [ 39.610943][ T2876] ? __lock_acquire+0x3a5d/0x5340 [ 39.610950][ T2876] ? __lock_acquire+0x3a5d/0x5340 [ 39.610964][ T2876] __kasan_report.cold+0x1a/0x32 [ 39.616757][ T107] usb 6-1: config 0 interface 234 altsetting 0 bulk endpoint 0x7 has invalid maxpacket 1024 [ 39.626712][ T2876] ? __lock_acquire+0x3a5d/0x5340 [ 39.626723][ T2876] kasan_report+0xe/0x20 [ 39.626731][ T2876] __lock_acquire+0x3a5d/0x5340 [ 39.626745][ T2876] ? mark_held_locks+0x9f/0xe0 [ 39.635767][ T107] usb 6-1: config 0 interface 234 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 39.643779][ T2876] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.643789][ T2876] ? mark_held_locks+0xe0/0xe0 [ 39.643804][ T2876] ? save_stack+0x4c/0x80 [ 39.651800][ T107] usb 6-1: New USB device found, idVendor=0421, idProduct=0486, bcdDevice=14.d7 [ 39.659201][ T2876] ? save_stack+0x1b/0x80 [ 39.659211][ T2876] ? __kasan_slab_free+0x130/0x180 [ 39.659218][ T2876] ? kfree+0xd7/0x280 [ 39.659234][ T2876] ? kfree_const+0x51/0x60 [ 39.667117][ T107] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.669402][ T2876] ? kobject_put+0x18c/0x280 [ 39.669418][ T2876] ? put_device+0x1b/0x30 [ 39.682341][ T17] usb 5-1: config 0 descriptor?? [ 39.688183][ T2876] ? klist_put+0xce/0x170 [ 39.688195][ T2876] ? bus_remove_device+0x3a4/0x4a0 [ 39.688203][ T2876] ? device_del+0x460/0xb80 [ 39.688213][ T2876] ? usb_disable_device+0x211/0x690 [ 39.688222][ T2876] ? usb_disconnect+0x284/0x830 [ 39.688231][ T2876] ? hub_event+0x13bd/0x3550 [ 39.688243][ T2876] ? process_one_work+0x905/0x1570 [ 39.688251][ T2876] ? worker_thread+0x96/0xe20 [ 39.688261][ T2876] lock_acquire+0x100/0x2b0 [ 39.688276][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 39.698639][ T2868] usb 3-1: config 0 descriptor?? [ 39.703398][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 39.703408][ T2876] __mutex_lock+0xf9/0x12b0 [ 39.703423][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 39.707006][ T107] usb 6-1: config 0 descriptor?? [ 39.710917][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 39.710927][ T2876] ? mark_held_locks+0x9f/0xe0 [ 39.710936][ T2876] ? lockdep_hardirqs_on+0x379/0x580 [ 39.710945][ T2876] ? mutex_trylock+0x1a0/0x1a0 [ 39.710955][ T2876] ? lockdep_hardirqs_on+0x379/0x580 [ 39.710967][ T2876] ? __kasan_slab_free+0x145/0x180 [ 39.710984][ T2876] ? kfree_const+0x51/0x60 [ 39.775007][ T107] rndis_wlan 6-1:0.234: invalid descriptor buffer length [ 39.776727][ T2876] ? kfree+0xd7/0x280 [ 39.776741][ T2876] ? dev_attr_show+0x90/0x90 [ 39.776758][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 39.782601][ T107] usb 6-1: bad CDC descriptors [ 39.792566][ T2876] device_release_driver_internal+0x23/0x4c0 [ 39.792579][ T2876] bus_remove_device+0x2dc/0x4a0 [ 39.792587][ T2876] device_del+0x460/0xb80 [ 39.792600][ T2876] ? __device_links_no_driver+0x240/0x240 [ 39.806729][ T107] rndis_host 6-1:0.234: invalid descriptor buffer length [ 39.807454][ T2876] ? usb_remove_ep_devs+0x3e/0x80 [ 39.807464][ T2876] ? remove_intf_ep_devs+0x13f/0x1d0 [ 39.807472][ T2876] usb_disable_device+0x211/0x690 [ 39.807483][ T2876] usb_disconnect+0x284/0x830 [ 39.807499][ T2876] hub_event+0x13bd/0x3550 [ 39.807516][ T2876] ? hub_port_debounce+0x260/0x260 [ 39.816514][ T107] usb 6-1: bad CDC descriptors [ 39.820817][ T2876] process_one_work+0x905/0x1570 [ 39.820828][ T2876] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.820840][ T2876] ? do_raw_spin_lock+0x11a/0x280 [ 39.820850][ T2876] worker_thread+0x96/0xe20 [ 39.820861][ T2876] ? process_one_work+0x1570/0x1570 [ 39.820868][ T2876] kthread+0x30b/0x410 [ 39.820876][ T2876] ? kthread_park+0x1a0/0x1a0 [ 39.820886][ T2876] ret_from_fork+0x24/0x30 [ 39.820891][ T2876] [ 39.820901][ T2876] Allocated by task 22: [ 39.826827][ T2868] rndis_wlan 3-1:0.234: invalid descriptor buffer length [ 39.830644][ T2876] save_stack+0x1b/0x80 [ 39.830654][ T2876] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 39.830665][ T2876] usb_set_configuration+0x2c4/0x1670 [ 39.830675][ T2876] generic_probe+0x9d/0xd5 [ 39.830684][ T2876] usb_probe_device+0x99/0x100 [ 39.830693][ T2876] really_probe+0x281/0x660 [ 39.830706][ T2876] driver_probe_device+0x104/0x210 [ 39.835097][ T2868] usb 3-1: bad CDC descriptors [ 39.843040][ T2876] __device_attach_driver+0x1c2/0x220 [ 39.843048][ T2876] bus_for_each_drv+0x15c/0x1e0 [ 39.843057][ T2876] __device_attach+0x217/0x360 [ 39.843065][ T2876] bus_probe_device+0x1e4/0x290 [ 39.843074][ T2876] device_add+0xae6/0x16f0 [ 39.843085][ T2876] usb_new_device.cold+0x6a4/0xe61 [ 39.843098][ T2876] hub_event+0x1abd/0x3550 [ 39.848615][ T107] cdc_acm 6-1:0.234: invalid descriptor buffer length [ 39.852063][ T2876] process_one_work+0x905/0x1570 [ 39.852073][ T2876] worker_thread+0x96/0xe20 [ 39.852082][ T2876] kthread+0x30b/0x410 [ 39.852091][ T2876] ret_from_fork+0x24/0x30 [ 39.852099][ T2876] [ 39.857082][ T107] cdc_acm 6-1:0.234: No union descriptor, testing for castrated device [ 39.861333][ T2876] Freed by task 2876: [ 39.861349][ T2876] save_stack+0x1b/0x80 [ 39.868128][ T2868] rndis_host 3-1:0.234: invalid descriptor buffer length [ 39.870928][ T2876] __kasan_slab_free+0x130/0x180 [ 39.870937][ T2876] kfree+0xd7/0x280 [ 39.870949][ T2876] device_release+0x71/0x200 [ 39.870964][ T2876] kobject_put+0x171/0x280 [ 39.877646][ T2868] usb 3-1: bad CDC descriptors [ 39.882433][ T2876] put_device+0x1b/0x30 [ 39.882445][ T2876] klist_put+0xce/0x170 [ 39.887690][ T107] cdc_acm: probe of 6-1:0.234 failed with error -12 [ 39.892099][ T2876] bus_remove_device+0x3a4/0x4a0 [ 39.892107][ T2876] device_del+0x460/0xb80 [ 39.892118][ T2876] usb_disable_device+0x211/0x690 [ 39.892127][ T2876] usb_disconnect+0x284/0x830 [ 39.892140][ T2876] hub_event+0x13bd/0x3550 [ 39.897816][ T2868] cdc_acm 3-1:0.234: invalid descriptor buffer length [ 39.901279][ T2876] process_one_work+0x905/0x1570 [ 39.901290][ T2876] worker_thread+0x96/0xe20 [ 39.901298][ T2876] kthread+0x30b/0x410 [ 39.901314][ T2876] ret_from_fork+0x24/0x30 [ 39.907486][ T2868] cdc_acm 3-1:0.234: No union descriptor, testing for castrated device [ 39.912336][ T2876] [ 39.912349][ T2876] The buggy address belongs to the object at ffff8881d4a54400 [ 39.912349][ T2876] which belongs to the cache kmalloc-2k of size 2048 [ 39.924317][ T2868] cdc_acm: probe of 3-1:0.234 failed with error -12 [ 39.929081][ T2876] The buggy address is located 272 bytes inside of [ 39.929081][ T2876] 2048-byte region [ffff8881d4a54400, ffff8881d4a54c00) [ 39.929084][ T2876] The buggy address belongs to the page: [ 39.929095][ T2876] page:ffffea0007529400 refcount:1 mapcount:0 mapping:ffff8881dac02800 index:0x0 compound_mapcount: 0 [ 39.929106][ T2876] flags: 0x200000000010200(slab|head) [ 39.929119][ T2876] raw: 0200000000010200 ffffea000753da00 0000000500000005 ffff8881dac02800 [ 39.929130][ T2876] raw: 0000000000000000 00000000000f000f 00000001ffffffff 0000000000000000 [ 39.929133][ T2876] page dumped because: kasan: bad access detected [ 39.929135][ T2876] [ 39.929137][ T2876] Memory state around the buggy address: [ 39.929145][ T2876] ffff8881d4a54400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 39.929155][ T2876] ffff8881d4a54480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 39.942228][ T17] rndis_wlan 5-1:0.234: invalid descriptor buffer length [ 39.944992][ T2876] >ffff8881d4a54500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 39.951017][ T17] usb 5-1: bad CDC descriptors [ 39.955662][ T2876] ^ [ 39.955673][ T2876] ffff8881d4a54580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 39.964942][ T17] rndis_host 5-1:0.234: invalid descriptor buffer length [ 39.966029][ T2876] ffff8881d4a54600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 39.966033][ T2876] ================================================================== [ 39.966036][ T2876] Disabling lock debugging due to kernel taint [ 39.966042][ T2876] Kernel panic - not syncing: panic_on_warn set ... [ 39.966059][ T2876] CPU: 0 PID: 2876 Comm: kworker/0:3 Tainted: G B 5.2.0-rc6+ #1 [ 39.970474][ T17] usb 5-1: bad CDC descriptors [ 39.977432][ T2876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.977445][ T2876] Workqueue: usb_hub_wq hub_event [ 39.977450][ T2876] Call Trace: [ 39.977469][ T2876] dump_stack+0xca/0x13e [ 39.982809][ T17] cdc_acm 5-1:0.234: invalid descriptor buffer length [ 39.986000][ T2876] panic+0x292/0x6c9 [ 39.986015][ T2876] ? __warn_printk+0xf3/0xf3 [ 39.992167][ T17] cdc_acm 5-1:0.234: No union descriptor, testing for castrated device [ 39.996888][ T2876] ? lock_downgrade+0x630/0x630 [ 40.003286][ T17] cdc_acm: probe of 5-1:0.234 failed with error -12 [ 40.007747][ T2876] ? print_shadow_for_address+0xb8/0x114 [ 40.007757][ T2876] ? trace_hardirqs_off+0x50/0x1c0 [ 40.007767][ T2876] ? __lock_acquire+0x3a5d/0x5340 [ 40.007780][ T2876] end_report+0x43/0x49 [ 40.016427][ T17] usb 5-1: USB disconnect, device number 2 [ 40.017997][ T2876] ? __lock_acquire+0x3a5d/0x5340 [ 40.018009][ T2876] __kasan_report.cold+0xd/0x32 [ 40.018018][ T2876] ? __lock_acquire+0x3a5d/0x5340 [ 40.018027][ T2876] kasan_report+0xe/0x20 [ 40.018041][ T2876] __lock_acquire+0x3a5d/0x5340 [ 40.026745][ T17] ------------[ cut here ]------------ [ 40.030044][ T2876] ? mark_held_locks+0x9f/0xe0 [ 40.030056][ T2876] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 40.030064][ T2876] ? mark_held_locks+0xe0/0xe0 [ 40.030080][ T2876] ? save_stack+0x4c/0x80 [ 40.035334][ T17] refcount_t: underflow; use-after-free. [ 40.040342][ T2876] ? save_stack+0x1b/0x80 [ 40.040352][ T2876] ? __kasan_slab_free+0x130/0x180 [ 40.040361][ T2876] ? kfree+0xd7/0x280 [ 40.040369][ T2876] ? kfree_const+0x51/0x60 [ 40.040382][ T2876] ? kobject_put+0x18c/0x280 [ 40.045099][ T17] WARNING: CPU: 1 PID: 17 at lib/refcount.c:190 refcount_sub_and_test_checked+0x19f/0x1c0 [ 40.049420][ T2876] ? put_device+0x1b/0x30 [ 40.049433][ T2876] ? klist_put+0xce/0x170 [ 40.693584][ T2876] ? bus_remove_device+0x3a4/0x4a0 [ 40.698761][ T2876] ? device_del+0x460/0xb80 [ 40.703246][ T2876] ? usb_disable_device+0x211/0x690 [ 40.708424][ T2876] ? usb_disconnect+0x284/0x830 [ 40.713251][ T2876] ? hub_event+0x13bd/0x3550 [ 40.717833][ T2876] ? process_one_work+0x905/0x1570 [ 40.722932][ T2876] ? worker_thread+0x96/0xe20 [ 40.727584][ T2876] lock_acquire+0x100/0x2b0 [ 40.732064][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 40.738196][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 40.744343][ T2876] __mutex_lock+0xf9/0x12b0 [ 40.748919][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 40.755062][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 40.761189][ T2876] ? mark_held_locks+0x9f/0xe0 [ 40.765932][ T2876] ? lockdep_hardirqs_on+0x379/0x580 [ 40.771188][ T2876] ? mutex_trylock+0x1a0/0x1a0 [ 40.775924][ T2876] ? lockdep_hardirqs_on+0x379/0x580 [ 40.781409][ T2876] ? __kasan_slab_free+0x145/0x180 [ 40.786492][ T2876] ? kfree_const+0x51/0x60 [ 40.790893][ T2876] ? kfree+0xd7/0x280 [ 40.794943][ T2876] ? dev_attr_show+0x90/0x90 [ 40.799508][ T2876] ? device_release_driver_internal+0x23/0x4c0 [ 40.805633][ T2876] device_release_driver_internal+0x23/0x4c0 [ 40.811584][ T2876] bus_remove_device+0x2dc/0x4a0 [ 40.816493][ T2876] device_del+0x460/0xb80 [ 40.820796][ T2876] ? __device_links_no_driver+0x240/0x240 [ 40.826490][ T2876] ? usb_remove_ep_devs+0x3e/0x80 [ 40.831514][ T2876] ? remove_intf_ep_devs+0x13f/0x1d0 [ 40.837034][ T2876] usb_disable_device+0x211/0x690 [ 40.842033][ T2876] usb_disconnect+0x284/0x830 [ 40.846695][ T2876] hub_event+0x13bd/0x3550 [ 40.851098][ T2876] ? hub_port_debounce+0x260/0x260 [ 40.856191][ T2876] process_one_work+0x905/0x1570 [ 40.861126][ T2876] ? pwq_dec_nr_in_flight+0x310/0x310 [ 40.866482][ T2876] ? do_raw_spin_lock+0x11a/0x280 [ 40.871480][ T2876] worker_thread+0x96/0xe20 [ 40.876042][ T2876] ? process_one_work+0x1570/0x1570 [ 40.881385][ T2876] kthread+0x30b/0x410 [ 40.885438][ T2876] ? kthread_park+0x1a0/0x1a0 [ 40.890105][ T2876] ret_from_fork+0x24/0x30 [ 41.972726][ T2876] Shutting down cpus with NMI [ 41.977982][ T2876] Kernel Offset: disabled [ 41.982288][ T2876] Rebooting in 86400 seconds..