Warning: Permanently added '10.128.0.228' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 66.294031] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 66.304105] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 66.310999] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 66.318544] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 66.325420] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 66.332243] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 66.544158] usb 3-1: Using ep0 maxpacket: 8 [ 66.554135] usb 6-1: Using ep0 maxpacket: 8 [ 66.574042] usb 1-1: Using ep0 maxpacket: 8 [ 66.578516] usb 2-1: Using ep0 maxpacket: 8 [ 66.582895] usb 5-1: Using ep0 maxpacket: 8 [ 66.587342] usb 4-1: Using ep0 maxpacket: 8 [ 66.664060] usb 3-1: config 0 has an invalid interface number: 110 but max is 0 [ 66.671853] usb 3-1: config 0 has no interface number 0 [ 66.677579] usb 6-1: config 0 has an invalid interface number: 110 but max is 0 [ 66.685081] usb 6-1: config 0 has no interface number 0 [ 66.690492] usb 6-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=ed.74 [ 66.699786] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.707199] usb 2-1: config 0 has an invalid interface number: 110 but max is 0 [ 66.714773] usb 2-1: config 0 has no interface number 0 [ 66.720156] usb 1-1: config 0 has an invalid interface number: 110 but max is 0 [ 66.727635] usb 1-1: config 0 has no interface number 0 [ 66.733028] usb 4-1: config 0 has an invalid interface number: 110 but max is 0 [ 66.740519] usb 4-1: config 0 has no interface number 0 [ 66.745988] usb 5-1: config 0 has an invalid interface number: 110 but max is 0 [ 66.753446] usb 5-1: config 0 has no interface number 0 [ 66.758995] usb 3-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=ed.74 [ 66.767460] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.774917] usb 2-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=ed.74 [ 66.783237] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.790591] usb 4-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=ed.74 [ 66.798966] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.806337] usb 5-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=ed.74 [ 66.814696] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.821994] usb 1-1: New USB device found, idVendor=0841, idProduct=0001, bcdDevice=ed.74 [ 66.830343] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.839728] usb 3-1: config 0 descriptor?? [ 66.844467] usb 6-1: config 0 descriptor?? [ 66.849777] usb 2-1: config 0 descriptor?? [ 66.855141] usb 4-1: config 0 descriptor?? [ 66.859779] usb 5-1: config 0 descriptor?? [ 66.865538] usb 1-1: config 0 descriptor?? [ 66.885941] rio500 6-1:0.110: USB Rio found at address 2 [ 66.895067] rio500 3-1:0.110: USB Rio found at address 2 [ 66.902289] rio500 2-1:0.110: USB Rio found at address 2 [ 66.909123] rio500 4-1:0.110: USB Rio found at address 2 [ 66.915982] rio500 5-1:0.110: USB Rio found at address 2 [ 66.923753] rio500 1-1:0.110: USB Rio found at address 2 executing program executing program executing program executing program [ 67.067475] usb 3-1: USB disconnect, device number 2 [ 67.067695] usb 6-1: USB disconnect, device number 2 [ 67.081742] rio500 3-1:0.110: USB Rio disconnected. [ 67.089429] usb 4-1: USB disconnect, device number 2 [ 67.095638] ================================================================== [ 67.101828] usb 1-1: USB disconnect, device number 2 [ 67.103177] BUG: KASAN: double-free or invalid-free in kfree+0xce/0x290 executing program executing program [ 67.108337] usb 2-1: USB disconnect, device number 2 [ 67.115170] [ 67.115183] CPU: 0 PID: 5152 Comm: kworker/0:4 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 67.115189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.115205] Workqueue: usb_hub_wq hub_event [ 67.115210] Call Trace: [ 67.115227] dump_stack+0xe8/0x16e [ 67.115240] print_address_description+0x6c/0x236 [ 67.115251] ? kfree+0xce/0x290 [ 67.115263] kasan_report_invalid_free+0x66/0xa0 [ 67.140117] usb 5-1: USB disconnect, device number 2 [ 67.143763] ? kfree+0xce/0x290 [ 67.143777] __kasan_slab_free+0x162/0x180 [ 67.143792] slab_free_freelist_hook+0x5e/0x140 [ 67.143802] ? disconnect_rio+0x13b/0x200 [ 67.143813] ? disconnect_rio+0x13b/0x200 [ 67.188223] kfree+0xce/0x290 [ 67.191319] disconnect_rio+0x13b/0x200 [ 67.195293] usb_unbind_interface+0x1c9/0x980 [ 67.199786] ? usb_autoresume_device+0x60/0x60 [ 67.204363] device_release_driver_internal+0x436/0x4f0 [ 67.209733] bus_remove_device+0x302/0x5c0 [ 67.213965] device_del+0x467/0xb90 [ 67.217577] ? mark_held_locks+0x9f/0xe0 [ 67.221619] ? __device_links_no_driver+0x240/0x240 [ 67.226623] ? lockdep_hardirqs_on+0x37e/0x580 [ 67.231186] ? remove_intf_ep_devs+0x144/0x1d0 [ 67.235754] usb_disable_device+0x242/0x790 [ 67.240059] usb_disconnect+0x298/0x870 [ 67.244034] hub_event+0xcd2/0x3b00 [ 67.247729] ? mark_held_locks+0xe0/0xe0 [ 67.251796] ? hub_port_debounce+0x350/0x350 [ 67.256204] ? _raw_spin_unlock_irq+0x29/0x40 [ 67.260700] process_one_work+0x90f/0x1580 [ 67.265116] ? wq_pool_ids_show+0x300/0x300 [ 67.269431] ? do_raw_spin_lock+0x11f/0x290 [ 67.273749] worker_thread+0x9b/0xe20 [ 67.277541] ? process_one_work+0x1580/0x1580 [ 67.282019] kthread+0x313/0x420 [ 67.285368] ? kthread_park+0x1a0/0x1a0 [ 67.289334] ret_from_fork+0x3a/0x50 [ 67.293097] [ 67.294718] Allocated by task 5152: [ 67.298404] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 67.303428] probe_rio+0x188/0x268 [ 67.306956] usb_probe_interface+0x31d/0x820 [ 67.311349] really_probe+0x2da/0xb10 [ 67.315137] driver_probe_device+0x21d/0x350 [ 67.319543] __device_attach_driver+0x1d8/0x290 [ 67.324213] bus_for_each_drv+0x163/0x1e0 [ 67.328536] __device_attach+0x223/0x3a0 [ 67.332587] bus_probe_device+0x1f1/0x2a0 [ 67.336720] device_add+0xad2/0x16e0 [ 67.340416] usb_set_configuration+0xdf7/0x1740 [ 67.345265] generic_probe+0xa2/0xda [ 67.348974] usb_probe_device+0xc0/0x150 [ 67.353128] really_probe+0x2da/0xb10 [ 67.356911] driver_probe_device+0x21d/0x350 [ 67.361378] __device_attach_driver+0x1d8/0x290 [ 67.366046] bus_for_each_drv+0x163/0x1e0 [ 67.370176] __device_attach+0x223/0x3a0 [ 67.374221] bus_probe_device+0x1f1/0x2a0 [ 67.378705] device_add+0xad2/0x16e0 [ 67.382409] usb_new_device.cold+0x537/0xccf [ 67.386797] hub_event+0x138e/0x3b00 [ 67.390497] process_one_work+0x90f/0x1580 [ 67.394821] worker_thread+0x9b/0xe20 [ 67.398615] kthread+0x313/0x420 [ 67.401987] ret_from_fork+0x3a/0x50 [ 67.405687] [ 67.407385] Freed by task 585: [ 67.410585] __kasan_slab_free+0x130/0x180 [ 67.414811] slab_free_freelist_hook+0x5e/0x140 [ 67.419466] kfree+0xce/0x290 [ 67.422554] disconnect_rio+0x13b/0x200 [ 67.426601] usb_unbind_interface+0x1c9/0x980 [ 67.431092] device_release_driver_internal+0x436/0x4f0 [ 67.436443] bus_remove_device+0x302/0x5c0 [ 67.440661] device_del+0x467/0xb90 [ 67.444392] usb_disable_device+0x242/0x790 [ 67.448858] usb_disconnect+0x298/0x870 [ 67.453044] hub_event+0xcd2/0x3b00 [ 67.456659] process_one_work+0x90f/0x1580 [ 67.460874] worker_thread+0x9b/0xe20 [ 67.464662] kthread+0x313/0x420 [ 67.468133] ret_from_fork+0x3a/0x50 [ 67.471829] [ 67.473444] The buggy address belongs to the object at ffff88808863a200 [ 67.473444] which belongs to the cache kmalloc-4k of size 4096 [ 67.486086] The buggy address is located 0 bytes inside of [ 67.486086] 4096-byte region [ffff88808863a200, ffff88808863b200) [ 67.493983] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 67.497855] The buggy address belongs to the page: [ 67.497868] page:ffffea0002218e00 count:1 mapcount:0 mapping:ffff88812c3f4600 index:0x0 compound_mapcount: 0 [ 67.497881] flags: 0xfff00000010200(slab|head) [ 67.497897] raw: 00fff00000010200 0000000000000000 0000000600000001 ffff88812c3f4600 [ 67.497910] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000 [ 67.497915] page dumped because: kasan: bad access detected [ 67.497918] [ 67.497924] Memory state around the buggy address: [ 67.553701] ffff88808863a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 67.561146] ffff88808863a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 67.568603] >ffff88808863a200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.575947] ^ [ 67.579298] ffff88808863a280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.586640] ffff88808863a300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.594081] ================================================================== [ 67.601529] Disabling lock debugging due to kernel taint [ 67.607086] Kernel panic - not syncing: panic_on_warn set ... [ 67.612967] CPU: 0 PID: 5152 Comm: kworker/0:4 Tainted: G B 5.1.0-rc4-319354-g9a33b36 #3 [ 67.622597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.631958] Workqueue: usb_hub_wq hub_event [ 67.636271] Call Trace: [ 67.638858] dump_stack+0xe8/0x16e [ 67.642387] panic+0x29d/0x5f2 [ 67.645567] ? __warn_printk+0xf8/0xf8 [ 67.649439] ? kfree+0xce/0x290 [ 67.652705] ? trace_hardirqs_on+0x55/0x1c0 [ 67.657011] ? kfree+0xce/0x290 [ 67.660271] end_report+0x48/0x4e [ 67.663707] kasan_report_invalid_free+0x82/0xa0 [ 67.668441] ? kfree+0xce/0x290 [ 67.671830] __kasan_slab_free+0x162/0x180 [ 67.676077] slab_free_freelist_hook+0x5e/0x140 [ 67.680731] ? disconnect_rio+0x13b/0x200 [ 67.684870] ? disconnect_rio+0x13b/0x200 [ 67.689010] kfree+0xce/0x290 [ 67.692099] disconnect_rio+0x13b/0x200 [ 67.696164] usb_unbind_interface+0x1c9/0x980 [ 67.700644] ? usb_autoresume_device+0x60/0x60 [ 67.705224] device_release_driver_internal+0x436/0x4f0 [ 67.710584] bus_remove_device+0x302/0x5c0 [ 67.714803] device_del+0x467/0xb90 [ 67.718413] ? mark_held_locks+0x9f/0xe0 [ 67.722456] ? __device_links_no_driver+0x240/0x240 [ 67.727457] ? lockdep_hardirqs_on+0x37e/0x580 [ 67.732025] ? remove_intf_ep_devs+0x144/0x1d0 [ 67.736695] usb_disable_device+0x242/0x790 [ 67.741014] usb_disconnect+0x298/0x870 [ 67.743919] usb 3-1: Using ep0 maxpacket: 8 [ 67.744978] hub_event+0xcd2/0x3b00 [ 67.744997] ? mark_held_locks+0xe0/0xe0 [ 67.745009] ? hub_port_debounce+0x350/0x350 [ 67.761571] ? _raw_spin_unlock_irq+0x29/0x40 [ 67.766060] process_one_work+0x90f/0x1580 [ 67.770286] ? wq_pool_ids_show+0x300/0x300 [ 67.774604] ? do_raw_spin_lock+0x11f/0x290 [ 67.778917] worker_thread+0x9b/0xe20 [ 67.782833] ? process_one_work+0x1580/0x1580 [ 67.787314] kthread+0x313/0x420 [ 67.790662] ? kthread_park+0x1a0/0x1a0 [ 67.794622] ret_from_fork+0x3a/0x50 [ 67.799331] Kernel Offset: disabled [ 67.803071] Rebooting in 86400 seconds..