Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 43.793453][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 43.803588][ T102] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 43.811223][ T5] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 43.813496][ T17] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 43.819670][ T1740] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 43.826598][ T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 44.033444][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 44.043793][ T102] usb 4-1: Using ep0 maxpacket: 8 [ 44.073513][ T5] usb 5-1: Using ep0 maxpacket: 8 [ 44.079137][ T1740] usb 3-1: Using ep0 maxpacket: 8 [ 44.093405][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 44.098586][ T83] usb 6-1: Using ep0 maxpacket: 8 [ 44.153674][ T12] usb 1-1: config 0 has an invalid interface number: 67 but max is 0 [ 44.161992][ T12] usb 1-1: config 0 has no interface number 0 [ 44.168460][ T102] usb 4-1: config 0 has an invalid interface number: 67 but max is 0 [ 44.176643][ T102] usb 4-1: config 0 has no interface number 0 [ 44.182926][ T102] usb 4-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 44.191991][ T102] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.200191][ T5] usb 5-1: config 0 has an invalid interface number: 67 but max is 0 [ 44.208500][ T5] usb 5-1: config 0 has no interface number 0 [ 44.214705][ T1740] usb 3-1: config 0 has an invalid interface number: 67 but max is 0 [ 44.223122][ T1740] usb 3-1: config 0 has no interface number 0 [ 44.229350][ T12] usb 1-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 44.238500][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.243642][ T17] usb 2-1: config 0 has an invalid interface number: 67 but max is 0 [ 44.246561][ T5] usb 5-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 44.254613][ T17] usb 2-1: config 0 has no interface number 0 [ 44.263637][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.270256][ T83] usb 6-1: config 0 has an invalid interface number: 67 but max is 0 [ 44.277797][ T1740] usb 3-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 44.285872][ T83] usb 6-1: config 0 has no interface number 0 [ 44.286342][ T83] usb 6-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 44.294965][ T1740] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.296640][ T102] usb 4-1: config 0 descriptor?? [ 44.301062][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.305713][ T17] usb 2-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 44.311093][ T12] usb 1-1: config 0 descriptor?? [ 44.318360][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.325113][ T83] usb 6-1: config 0 descriptor?? [ 44.332304][ T1740] usb 3-1: config 0 descriptor?? [ 44.351974][ T17] usb 2-1: config 0 descriptor?? [ 44.355063][ T5] usb 5-1: config 0 descriptor?? [ 44.395270][ T102] rio500 4-1:0.67: USB Rio found at address 2 [ 44.404525][ T12] rio500 1-1:0.67: Second USB Rio at address 2 refused [ 44.404684][ T17] rio500 2-1:0.67: Second USB Rio at address 2 refused [ 44.411645][ T12] rio500: probe of 1-1:0.67 failed with error -16 [ 44.419856][ T83] rio500 6-1:0.67: Second USB Rio at address 2 refused [ 44.426425][ T1740] rio500 3-1:0.67: Second USB Rio at address 2 refused [ 44.441470][ T5] rio500 5-1:0.67: Second USB Rio at address 2 refused [ 44.459453][ T1740] rio500: probe of 3-1:0.67 failed with error -16 [ 44.467529][ T83] rio500: probe of 6-1:0.67 failed with error -16 [ 44.467794][ T5] rio500: probe of 5-1:0.67 failed with error -16 [ 44.481105][ T17] rio500: probe of 2-1:0.67 failed with error -16 executing program executing program executing program executing program executing program executing program [ 44.596654][ T12] usb 1-1: USB disconnect, device number 2 [ 44.597567][ T17] usb 4-1: USB disconnect, device number 2 [ 44.614640][ T83] usb 2-1: USB disconnect, device number 2 [ 44.623755][ T17] rio500 4-1:0.67: USB Rio disconnected. [ 44.627123][ T1740] usb 3-1: USB disconnect, device number 2 [ 44.632370][ T1742] usb 6-1: USB disconnect, device number 2 [ 44.655810][ T5] usb 5-1: USB disconnect, device number 2 [ 44.963435][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 44.993595][ T17] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 45.001975][ T83] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 45.013500][ T1740] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 45.021028][ T5] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 45.053431][ T1742] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 45.223458][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 45.233540][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 45.243505][ T83] usb 2-1: Using ep0 maxpacket: 8 [ 45.263506][ T1740] usb 3-1: Using ep0 maxpacket: 8 [ 45.268809][ T5] usb 5-1: Using ep0 maxpacket: 8 [ 45.293580][ T1742] usb 6-1: Using ep0 maxpacket: 8 [ 45.353596][ T17] usb 4-1: config 0 has an invalid interface number: 67 but max is 0 [ 45.361747][ T17] usb 4-1: config 0 has no interface number 0 [ 45.363597][ T12] usb 1-1: config 0 has an invalid interface number: 67 but max is 0 [ 45.368239][ T83] usb 2-1: config 0 has an invalid interface number: 67 but max is 0 [ 45.376062][ T12] usb 1-1: config 0 has no interface number 0 [ 45.376359][ T12] usb 1-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 45.384205][ T83] usb 2-1: config 0 has no interface number 0 [ 45.384857][ T17] usb 4-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 45.390310][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 45.391645][ T12] usb 1-1: config 0 descriptor?? [ 45.399408][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 45.403082][ T83] usb 2-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 45.423524][ T1740] usb 3-1: config 0 has an invalid interface number: 67 but max is 0 [ 45.428244][ T83] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 45.436270][ T1740] usb 3-1: config 0 has no interface number 0 [ 45.445346][ T1742] usb 6-1: config 0 has an invalid interface number: 67 but max is 0 [ 45.453427][ T5] usb 5-1: config 0 has an invalid interface number: 67 but max is 0 [ 45.461459][ T1742] usb 6-1: config 0 has no interface number 0 [ 45.468116][ T5] usb 5-1: config 0 has no interface number 0 [ 45.476711][ T1742] usb 6-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 45.484384][ T1740] usb 3-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 45.490388][ T1742] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 45.496551][ T1740] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 45.505984][ T17] usb 4-1: config 0 descriptor?? [ 45.515922][ T12] rio500 1-1:0.67: USB Rio found at address 3 [ 45.533226][ T83] usb 2-1: config 0 descriptor?? [ 45.543482][ T5] usb 5-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 45.552135][ T1742] usb 6-1: config 0 descriptor?? [ 45.556350][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 45.562133][ T5] usb 5-1: config 0 descriptor?? [ 45.578060][ T1740] usb 3-1: config 0 descriptor?? [ 45.584856][ T17] rio500 4-1:0.67: Second USB Rio at address 3 refused [ 45.591759][ T17] rio500: probe of 4-1:0.67 failed with error -16 [ 45.599618][ T83] rio500 2-1:0.67: Second USB Rio at address 3 refused [ 45.611435][ T1742] rio500 6-1:0.67: Second USB Rio at address 3 refused [ 45.618935][ T83] rio500: probe of 2-1:0.67 failed with error -16 [ 45.624741][ T1740] rio500 3-1:0.67: Second USB Rio at address 3 refused [ 45.625447][ T1742] rio500: probe of 6-1:0.67 failed with error -16 [ 45.632236][ T1740] rio500: probe of 3-1:0.67 failed with error -16 [ 45.646808][ T5] rio500 5-1:0.67: Second USB Rio at address 3 refused [ 45.653857][ T5] rio500: probe of 5-1:0.67 failed with error -16 executing program [ 45.715995][ T1740] usb 1-1: USB disconnect, device number 3 [ 45.723001][ T1740] rio500 1-1:0.67: USB Rio disconnected. executing program executing program executing program executing program executing program [ 45.785173][ T5] usb 2-1: USB disconnect, device number 3 [ 45.785196][ T1742] usb 4-1: USB disconnect, device number 3 [ 45.808115][ T12] usb 6-1: USB disconnect, device number 3 [ 45.825229][ T102] usb 3-1: USB disconnect, device number 3 [ 45.847345][ T83] usb 5-1: USB disconnect, device number 3 [ 46.073425][ T1740] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 46.153426][ T1742] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 46.163578][ T12] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 46.183472][ T102] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 46.193584][ T5] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 46.214042][ T83] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 46.313431][ T1740] usb 1-1: Using ep0 maxpacket: 8 [ 46.403440][ T1742] usb 4-1: Using ep0 maxpacket: 8 [ 46.403457][ T12] usb 6-1: Using ep0 maxpacket: 8 [ 46.423420][ T102] usb 3-1: Using ep0 maxpacket: 8 [ 46.433539][ T1740] usb 1-1: config 0 has an invalid interface number: 67 but max is 0 [ 46.441748][ T1740] usb 1-1: config 0 has no interface number 0 [ 46.447974][ T5] usb 2-1: Using ep0 maxpacket: 8 [ 46.453143][ T1740] usb 1-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 46.462271][ T1740] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.463413][ T83] usb 5-1: Using ep0 maxpacket: 8 [ 46.471563][ T1740] usb 1-1: config 0 descriptor?? [ 46.514820][ T1740] rio500 1-1:0.67: USB Rio found at address 4 [ 46.543564][ T1742] usb 4-1: config 0 has an invalid interface number: 67 but max is 0 [ 46.543611][ T12] usb 6-1: config 0 has an invalid interface number: 67 but max is 0 [ 46.551711][ T1742] usb 4-1: config 0 has no interface number 0 [ 46.559854][ T12] usb 6-1: config 0 has no interface number 0 [ 46.566940][ T1742] usb 4-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 46.572564][ T102] usb 3-1: config 0 has an invalid interface number: 67 but max is 0 [ 46.581680][ T1742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.589776][ T102] usb 3-1: config 0 has no interface number 0 [ 46.600552][ T1742] usb 4-1: config 0 descriptor?? [ 46.603954][ T5] usb 2-1: config 0 has an invalid interface number: 67 but max is 0 [ 46.603969][ T5] usb 2-1: config 0 has no interface number 0 [ 46.623602][ T5] usb 2-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 46.632630][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.640976][ T12] usb 6-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 46.650064][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.653501][ T83] usb 5-1: config 0 has an invalid interface number: 67 but max is 0 [ 46.658125][ T102] usb 3-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 46.666214][ T83] usb 5-1: config 0 has no interface number 0 [ 46.675250][ T102] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.686915][ T1742] rio500 4-1:0.67: Second USB Rio at address 4 refused [ 46.695304][ T12] usb 6-1: config 0 descriptor?? [ 46.701861][ T5] usb 2-1: config 0 descriptor?? [ 46.707565][ T102] usb 3-1: config 0 descriptor?? executing program [ 46.712355][ T1742] rio500: probe of 4-1:0.67 failed with error -16 [ 46.715495][ T1740] usb 1-1: USB disconnect, device number 4 [ 46.721559][ T83] usb 5-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=6e.90 [ 46.727988][ T1740] rio500 1-1:0.67: USB Rio disconnected. [ 46.734186][ T83] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.741119][ T12] rio500 6-1:0.67: USB Rio found at address 4 [ 46.755342][ T102] rio500 3-1:0.67: USB Rio found at address 4 [ 46.765111][ T5] rio500 2-1:0.67: Second USB Rio at address 4 refused [ 46.772029][ T5] rio500: probe of 2-1:0.67 failed with error -16 [ 46.798000][ T83] usb 5-1: config 0 descriptor?? executing program [ 46.854987][ T83] rio500 5-1:0.67: Second USB Rio at address 4 refused [ 46.862054][ T83] rio500: probe of 5-1:0.67 failed with error -16 [ 46.882625][ T83] usb 4-1: USB disconnect, device number 4 executing program executing program executing program [ 46.950370][ T1742] usb 6-1: USB disconnect, device number 4 [ 46.956956][ T1742] rio500 6-1:0.67: USB Rio disconnected. [ 46.957851][ T5] usb 3-1: USB disconnect, device number 4 [ 46.971858][ T12] usb 2-1: USB disconnect, device number 4 [ 46.978997][ T5] ================================================================== [ 46.987459][ T5] BUG: KASAN: double-free or invalid-free in disconnect_rio+0x12b/0x1b0 [ 46.996205][ T5] [ 46.998536][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.3.0+ #0 [ 47.005461][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.015703][ T5] Workqueue: usb_hub_wq hub_event [ 47.020727][ T5] Call Trace: [ 47.024013][ T5] dump_stack+0xca/0x13e [ 47.028502][ T5] print_address_description.constprop.0+0x36/0x50 [ 47.035238][ T5] ? disconnect_rio+0x12b/0x1b0 [ 47.040103][ T5] kasan_report_invalid_free+0x61/0xa0 [ 47.045563][ T5] ? disconnect_rio+0x12b/0x1b0 executing program [ 47.050494][ T5] __kasan_slab_free+0x162/0x180 [ 47.055075][ T17] usb 5-1: USB disconnect, device number 4 [ 47.055560][ T5] ? disconnect_rio+0x12b/0x1b0 [ 47.066206][ T5] kfree+0xe4/0x2f0 [ 47.070028][ T5] disconnect_rio+0x12b/0x1b0 [ 47.074833][ T5] usb_unbind_interface+0x1bd/0x8a0 [ 47.080037][ T5] ? usb_autoresume_device+0x60/0x60 [ 47.085414][ T5] device_release_driver_internal+0x42f/0x500 [ 47.091499][ T5] bus_remove_device+0x2dc/0x4a0 [ 47.096487][ T5] device_del+0x420/0xb10 [ 47.100818][ T5] ? __device_links_no_driver+0x240/0x240 [ 47.106546][ T5] ? lockdep_hardirqs_on+0x382/0x580 [ 47.111850][ T5] ? remove_intf_ep_devs+0x13f/0x1d0 [ 47.117125][ T5] usb_disable_device+0x211/0x690 [ 47.122145][ T5] usb_disconnect+0x284/0x8d0 [ 47.126827][ T5] hub_event+0x1454/0x3640 [ 47.131247][ T5] ? find_held_lock+0x2d/0x110 [ 47.136078][ T5] ? mark_held_locks+0xe0/0xe0 [ 47.140836][ T5] ? hub_port_debounce+0x260/0x260 [ 47.145979][ T5] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 47.151529][ T5] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 47.156882][ T5] process_one_work+0x92b/0x1530 [ 47.161839][ T5] ? pwq_dec_nr_in_flight+0x310/0x310 [ 47.167220][ T5] ? do_raw_spin_lock+0x11a/0x280 [ 47.172572][ T5] worker_thread+0x96/0xe20 [ 47.177118][ T5] ? process_one_work+0x1530/0x1530 [ 47.182354][ T5] kthread+0x318/0x420 [ 47.186428][ T5] ? kthread_create_on_node+0xf0/0xf0 [ 47.191834][ T5] ret_from_fork+0x24/0x30 [ 47.196324][ T5] [ 47.198644][ T5] Allocated by task 12: [ 47.202793][ T5] save_stack+0x1b/0x80 [ 47.206940][ T5] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 47.212565][ T5] probe_rio+0x135/0x248 [ 47.216843][ T5] usb_probe_interface+0x305/0x7a0 [ 47.221958][ T5] really_probe+0x281/0x6d0 [ 47.226456][ T5] driver_probe_device+0x104/0x210 [ 47.231558][ T5] __device_attach_driver+0x1c2/0x220 [ 47.236925][ T5] bus_for_each_drv+0x162/0x1e0 [ 47.241777][ T5] __device_attach+0x217/0x360 [ 47.246530][ T5] bus_probe_device+0x1e4/0x290 [ 47.251503][ T5] device_add+0xae6/0x16f0 [ 47.255916][ T5] usb_set_configuration+0xdf6/0x1670 [ 47.261407][ T5] generic_probe+0x9d/0xd5 [ 47.265860][ T5] usb_probe_device+0x99/0x100 [ 47.270612][ T5] really_probe+0x281/0x6d0 [ 47.275106][ T5] driver_probe_device+0x104/0x210 [ 47.280212][ T5] __device_attach_driver+0x1c2/0x220 [ 47.285715][ T5] bus_for_each_drv+0x162/0x1e0 [ 47.290572][ T5] __device_attach+0x217/0x360 [ 47.295459][ T5] bus_probe_device+0x1e4/0x290 [ 47.300315][ T5] device_add+0xae6/0x16f0 [ 47.304736][ T5] usb_new_device.cold+0x6a4/0xe79 [ 47.309846][ T5] hub_event+0x1b5c/0x3640 [ 47.314273][ T5] process_one_work+0x92b/0x1530 [ 47.319206][ T5] worker_thread+0x96/0xe20 [ 47.323831][ T5] kthread+0x318/0x420 [ 47.327899][ T5] ret_from_fork+0x24/0x30 [ 47.332675][ T5] [ 47.335164][ T5] Freed by task 1742: [ 47.339138][ T5] save_stack+0x1b/0x80 [ 47.343467][ T5] __kasan_slab_free+0x130/0x180 [ 47.348390][ T5] kfree+0xe4/0x2f0 [ 47.352396][ T5] disconnect_rio+0x12b/0x1b0 [ 47.357057][ T5] usb_unbind_interface+0x1bd/0x8a0 [ 47.362258][ T5] device_release_driver_internal+0x42f/0x500 [ 47.368370][ T5] bus_remove_device+0x2dc/0x4a0 [ 47.373304][ T5] device_del+0x420/0xb10 [ 47.377624][ T5] usb_disable_device+0x211/0x690 [ 47.382639][ T5] usb_disconnect+0x284/0x8d0 [ 47.387320][ T5] hub_event+0x1454/0x3640 [ 47.391745][ T5] process_one_work+0x92b/0x1530 [ 47.396789][ T5] worker_thread+0x96/0xe20 [ 47.401330][ T5] kthread+0x318/0x420 [ 47.405394][ T5] ret_from_fork+0x24/0x30 [ 47.409799][ T5] [ 47.412132][ T5] The buggy address belongs to the object at ffff8881d1196600 [ 47.412132][ T5] which belongs to the cache kmalloc-4k of size 4096 [ 47.426226][ T5] The buggy address is located 0 bytes inside of [ 47.426226][ T5] 4096-byte region [ffff8881d1196600, ffff8881d1197600) [ 47.439392][ T5] The buggy address belongs to the page: [ 47.445017][ T5] page:ffffea0007446400 refcount:1 mapcount:0 mapping:ffff8881da00c280 index:0x0 compound_mapcount: 0 [ 47.455943][ T5] flags: 0x200000000010200(slab|head) [ 47.461312][ T5] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c280 [ 47.470024][ T5] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000 [ 47.478605][ T5] page dumped because: kasan: bad access detected [ 47.485002][ T5] [ 47.487318][ T5] Memory state around the buggy address: [ 47.493009][ T5] ffff8881d1196500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 47.501131][ T5] ffff8881d1196580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 47.509184][ T5] >ffff8881d1196600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.517235][ T5] ^ [ 47.521301][ T5] ffff8881d1196680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.529353][ T5] ffff8881d1196700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.537489][ T5] ================================================================== [ 47.545542][ T5] Disabling lock debugging due to kernel taint [ 47.551880][ T5] Kernel panic - not syncing: panic_on_warn set ... [ 47.558538][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Tainted: G B 5.3.0+ #0 [ 47.566847][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.576938][ T5] Workqueue: usb_hub_wq hub_event [ 47.581947][ T5] Call Trace: [ 47.585229][ T5] dump_stack+0xca/0x13e [ 47.589459][ T5] panic+0x2a3/0x6da [ 47.593343][ T5] ? add_taint.cold+0x16/0x16 [ 47.598055][ T5] ? disconnect_rio+0x12b/0x1b0 [ 47.602893][ T5] ? trace_hardirqs_on+0x55/0x1e0 [ 47.607912][ T5] ? disconnect_rio+0x12b/0x1b0 [ 47.612747][ T5] end_report+0x43/0x49 [ 47.616892][ T5] kasan_report_invalid_free+0x7d/0xa0 [ 47.622336][ T5] ? disconnect_rio+0x12b/0x1b0 [ 47.627230][ T5] __kasan_slab_free+0x162/0x180 [ 47.632159][ T5] ? disconnect_rio+0x12b/0x1b0 [ 47.636997][ T5] kfree+0xe4/0x2f0 [ 47.640792][ T5] disconnect_rio+0x12b/0x1b0 [ 47.645462][ T5] usb_unbind_interface+0x1bd/0x8a0 [ 47.650653][ T5] ? usb_autoresume_device+0x60/0x60 [ 47.655926][ T5] device_release_driver_internal+0x42f/0x500 [ 47.661999][ T5] bus_remove_device+0x2dc/0x4a0 [ 47.667093][ T5] device_del+0x420/0xb10 [ 47.671413][ T5] ? __device_links_no_driver+0x240/0x240 [ 47.677120][ T5] ? lockdep_hardirqs_on+0x382/0x580 [ 47.682398][ T5] ? remove_intf_ep_devs+0x13f/0x1d0 [ 47.687668][ T5] usb_disable_device+0x211/0x690 [ 47.692676][ T5] usb_disconnect+0x284/0x8d0 [ 47.697454][ T5] hub_event+0x1454/0x3640 [ 47.701881][ T5] ? find_held_lock+0x2d/0x110 [ 47.706731][ T5] ? mark_held_locks+0xe0/0xe0 [ 47.711493][ T5] ? hub_port_debounce+0x260/0x260 [ 47.716728][ T5] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 47.722436][ T5] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 47.727832][ T5] process_one_work+0x92b/0x1530 [ 47.732821][ T5] ? pwq_dec_nr_in_flight+0x310/0x310 [ 47.738314][ T5] ? do_raw_spin_lock+0x11a/0x280 [ 47.743336][ T5] worker_thread+0x96/0xe20 [ 47.747839][ T5] ? process_one_work+0x1530/0x1530 [ 47.753282][ T5] kthread+0x318/0x420 [ 47.757428][ T5] ? kthread_create_on_node+0xf0/0xf0 [ 47.762887][ T5] ret_from_fork+0x24/0x30 [ 47.768207][ T5] Kernel Offset: disabled [ 47.772536][ T5] Rebooting in 86400 seconds..