Warning: Permanently added '10.128.0.91' (ECDSA) to the list of known hosts. executing program [ 36.714599][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 36.954585][ T83] usb 1-1: Using ep0 maxpacket: 16 [ 37.074669][ T83] usb 1-1: config 0 has an invalid interface number: 40 but max is 0 [ 37.082996][ T83] usb 1-1: config 0 has no interface number 0 [ 37.089315][ T83] usb 1-1: config 0 interface 40 altsetting 0 endpoint 0x8D has an invalid bInterval 0, changing to 7 [ 37.100344][ T83] usb 1-1: config 0 interface 40 altsetting 0 bulk endpoint 0x5 has invalid maxpacket 0 [ 37.110764][ T83] usb 1-1: config 0 interface 40 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 37.120667][ T83] usb 1-1: New USB device found, idVendor=0ace, idProduct=1608, bcdDevice=b5.60 [ 37.130098][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.139546][ T83] usb 1-1: config 0 descriptor?? [ 37.185649][ T83] cdc_acm 1-1:0.40: invalid descriptor buffer length [ 37.192450][ T83] cdc_acm 1-1:0.40: No union descriptor, testing for castrated device [ 37.201472][ T83] cdc_acm: probe of 1-1:0.40 failed with error -12 [ 37.386767][ T83] usb 1-1: USB disconnect, device number 2 [ 37.394354][ T83] ================================================================== [ 37.402520][ T83] BUG: KASAN: use-after-free in __mutex_lock+0xf23/0x1360 [ 37.409683][ T83] Read of size 8 at addr ffff8881d2f70188 by task kworker/1:2/83 [ 37.418714][ T83] [ 37.422342][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0-rc2+ #25 [ 37.433804][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.443949][ T83] Workqueue: usb_hub_wq hub_event [ 37.449364][ T83] Call Trace: [ 37.452641][ T83] dump_stack+0xca/0x13e [ 37.456926][ T83] ? __mutex_lock+0xf23/0x1360 [ 37.461802][ T83] ? __mutex_lock+0xf23/0x1360 [ 37.466601][ T83] print_address_description+0x6a/0x32c [ 37.472159][ T83] ? __mutex_lock+0xf23/0x1360 [ 37.476995][ T83] ? __mutex_lock+0xf23/0x1360 [ 37.481758][ T83] __kasan_report.cold+0x1a/0x33 [ 37.486820][ T83] ? __mutex_lock+0xf23/0x1360 [ 37.491667][ T83] kasan_report+0xe/0x12 [ 37.495992][ T83] __mutex_lock+0xf23/0x1360 [ 37.500970][ T83] ? device_release_driver_internal+0x23/0x4c0 [ 37.507324][ T83] ? mark_held_locks+0x9f/0xe0 [ 37.512149][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 37.517426][ T83] ? mutex_trylock+0x2c0/0x2c0 [ 37.522200][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 37.527465][ T83] ? __kasan_slab_free+0x145/0x180 [ 37.532562][ T83] ? kfree_const+0x51/0x60 [ 37.536956][ T83] ? kfree+0xe4/0x2f0 [ 37.540917][ T83] ? device_remove_bin_file+0x30/0x30 [ 37.546362][ T83] ? device_release_driver_internal+0x23/0x4c0 [ 37.552541][ T83] device_release_driver_internal+0x23/0x4c0 [ 37.558518][ T83] bus_remove_device+0x2dc/0x4a0 [ 37.563452][ T83] device_del+0x420/0xb10 [ 37.569407][ T83] ? __device_links_no_driver+0x240/0x240 [ 37.575162][ T83] ? usb_remove_ep_devs+0x3e/0x80 [ 37.580178][ T83] ? remove_intf_ep_devs+0x13f/0x1d0 [ 37.585540][ T83] usb_disable_device+0x211/0x690 [ 37.590568][ T83] usb_disconnect+0x284/0x8d0 [ 37.595235][ T83] hub_event+0x1454/0x3640 [ 37.599646][ T83] ? find_held_lock+0x2d/0x110 [ 37.604445][ T83] ? mark_held_locks+0xe0/0xe0 [ 37.609262][ T83] ? hub_port_debounce+0x260/0x260 [ 37.614356][ T83] process_one_work+0x92b/0x1530 [ 37.619424][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 37.624953][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 37.630038][ T83] worker_thread+0x96/0xe20 [ 37.634543][ T83] ? process_one_work+0x1530/0x1530 [ 37.639737][ T83] kthread+0x318/0x420 [ 37.643836][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 37.649815][ T83] ret_from_fork+0x24/0x30 [ 37.654214][ T83] [ 37.656522][ T83] Allocated by task 83: [ 37.660672][ T83] save_stack+0x1b/0x80 [ 37.664830][ T83] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 37.670464][ T83] usb_set_configuration+0x2c4/0x1670 [ 37.675816][ T83] generic_probe+0x9d/0xd5 [ 37.680229][ T83] usb_probe_device+0x99/0x100 [ 37.684977][ T83] really_probe+0x281/0x650 [ 37.689460][ T83] driver_probe_device+0x101/0x1b0 [ 37.694552][ T83] __device_attach_driver+0x1c2/0x220 [ 37.699900][ T83] bus_for_each_drv+0x15c/0x1e0 [ 37.704743][ T83] __device_attach+0x217/0x360 [ 37.709493][ T83] bus_probe_device+0x1e4/0x290 [ 37.714607][ T83] device_add+0xae6/0x16f0 [ 37.719195][ T83] usb_new_device.cold+0x6a4/0xe79 [ 37.724307][ T83] hub_event+0x1b5c/0x3640 [ 37.728803][ T83] process_one_work+0x92b/0x1530 [ 37.734021][ T83] worker_thread+0x96/0xe20 [ 37.738561][ T83] kthread+0x318/0x420 [ 37.742768][ T83] ret_from_fork+0x24/0x30 [ 37.747166][ T83] [ 37.749480][ T83] Freed by task 83: [ 37.753284][ T83] save_stack+0x1b/0x80 [ 37.757463][ T83] __kasan_slab_free+0x130/0x180 [ 37.762392][ T83] kfree+0xe4/0x2f0 [ 37.766253][ T83] device_release+0x71/0x200 [ 37.770833][ T83] kobject_put+0x171/0x280 [ 37.775372][ T83] put_device+0x1b/0x30 [ 37.779568][ T83] klist_put+0xce/0x170 [ 37.783711][ T83] bus_remove_device+0x3a4/0x4a0 [ 37.788638][ T83] device_del+0x420/0xb10 [ 37.792964][ T83] usb_disable_device+0x211/0x690 [ 37.798371][ T83] usb_disconnect+0x284/0x8d0 [ 37.803054][ T83] hub_event+0x1454/0x3640 [ 37.807459][ T83] process_one_work+0x92b/0x1530 [ 37.812388][ T83] worker_thread+0x96/0xe20 [ 37.816882][ T83] kthread+0x318/0x420 [ 37.820936][ T83] ret_from_fork+0x24/0x30 [ 37.825327][ T83] [ 37.827636][ T83] The buggy address belongs to the object at ffff8881d2f70000 [ 37.827636][ T83] which belongs to the cache kmalloc-2k of size 2048 [ 37.841909][ T83] The buggy address is located 392 bytes inside of [ 37.841909][ T83] 2048-byte region [ffff8881d2f70000, ffff8881d2f70800) [ 37.855261][ T83] The buggy address belongs to the page: [ 37.860878][ T83] page:ffffea00074bdc00 refcount:1 mapcount:0 mapping:ffff8881da00c000 index:0x0 compound_mapcount: 0 [ 37.871853][ T83] flags: 0x200000000010200(slab|head) [ 37.877225][ T83] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c000 [ 37.885883][ T83] raw: 0000000000000000 00000000800f000f 00000001ffffffff 0000000000000000 [ 37.894448][ T83] page dumped because: kasan: bad access detected [ 37.900853][ T83] [ 37.903159][ T83] Memory state around the buggy address: [ 37.908829][ T83] ffff8881d2f70080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.916879][ T83] ffff8881d2f70100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.924932][ T83] >ffff8881d2f70180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.932994][ T83] ^ [ 37.937308][ T83] ffff8881d2f70200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.945465][ T83] ffff8881d2f70280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.953509][ T83] ================================================================== [ 37.961550][ T83] Disabling lock debugging due to kernel taint [ 37.967757][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 37.974354][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Tainted: G B 5.3.0-rc2+ #25 [ 37.983281][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.993587][ T83] Workqueue: usb_hub_wq hub_event [ 37.998591][ T83] Call Trace: [ 38.002034][ T83] dump_stack+0xca/0x13e [ 38.006304][ T83] panic+0x2a3/0x6da [ 38.010195][ T83] ? add_taint.cold+0x16/0x16 [ 38.014864][ T83] ? retint_kernel+0x10/0x10 [ 38.019571][ T83] ? trace_hardirqs_on+0x55/0x1e0 [ 38.024667][ T83] ? __mutex_lock+0xf23/0x1360 [ 38.029510][ T83] end_report+0x43/0x49 [ 38.033819][ T83] ? __mutex_lock+0xf23/0x1360 [ 38.038640][ T83] __kasan_report.cold+0xd/0x33 [ 38.043478][ T83] ? __mutex_lock+0xf23/0x1360 [ 38.048280][ T83] kasan_report+0xe/0x12 [ 38.052678][ T83] __mutex_lock+0xf23/0x1360 [ 38.057385][ T83] ? device_release_driver_internal+0x23/0x4c0 [ 38.063530][ T83] ? mark_held_locks+0x9f/0xe0 [ 38.068683][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 38.074205][ T83] ? mutex_trylock+0x2c0/0x2c0 [ 38.078955][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 38.084271][ T83] ? __kasan_slab_free+0x145/0x180 [ 38.089412][ T83] ? kfree_const+0x51/0x60 [ 38.094074][ T83] ? kfree+0xe4/0x2f0 [ 38.098133][ T83] ? device_remove_bin_file+0x30/0x30 [ 38.103503][ T83] ? device_release_driver_internal+0x23/0x4c0 [ 38.109684][ T83] device_release_driver_internal+0x23/0x4c0 [ 38.115666][ T83] bus_remove_device+0x2dc/0x4a0 [ 38.120594][ T83] device_del+0x420/0xb10 [ 38.124996][ T83] ? __device_links_no_driver+0x240/0x240 [ 38.130704][ T83] ? usb_remove_ep_devs+0x3e/0x80 [ 38.135715][ T83] ? remove_intf_ep_devs+0x13f/0x1d0 [ 38.141038][ T83] usb_disable_device+0x211/0x690 [ 38.146053][ T83] usb_disconnect+0x284/0x8d0 [ 38.150721][ T83] hub_event+0x1454/0x3640 [ 38.155116][ T83] ? find_held_lock+0x2d/0x110 [ 38.159865][ T83] ? mark_held_locks+0xe0/0xe0 [ 38.170388][ T83] ? hub_port_debounce+0x260/0x260 [ 38.179788][ T83] process_one_work+0x92b/0x1530 [ 38.185536][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 38.191028][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 38.196038][ T83] worker_thread+0x96/0xe20 [ 38.200602][ T83] ? process_one_work+0x1530/0x1530 [ 38.205792][ T83] kthread+0x318/0x420 [ 38.210199][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 38.215774][ T83] ret_from_fork+0x24/0x30 [ 38.220722][ T83] Kernel Offset: disabled [ 38.225050][ T83] Rebooting in 86400 seconds..