Warning: Permanently added '10.128.1.9' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 97.992408][ T12] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 97.992421][ T21] usb 6-1: new low-speed USB device number 2 using dummy_hcd [ 98.002674][ T101] usb 5-1: new low-speed USB device number 2 using dummy_hcd [ 98.022439][ T1742] usb 2-1: new low-speed USB device number 2 using dummy_hcd [ 98.030038][ T1741] usb 4-1: new low-speed USB device number 2 using dummy_hcd [ 98.037503][ T17] usb 3-1: new low-speed USB device number 2 using dummy_hcd [ 98.362535][ T12] usb 1-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.362562][ T21] usb 6-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.362588][ T21] usb 6-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.370912][ T12] usb 1-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.379240][ T21] usb 6-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.389468][ T12] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.399773][ T21] usb 6-1: config 0 has no interface number 0 [ 98.408619][ T12] usb 1-1: config 0 has no interface number 0 [ 98.417936][ T21] usb 6-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.424046][ T101] usb 5-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.429928][ T21] usb 6-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.439971][ T101] usb 5-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.439981][ T101] usb 5-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.439988][ T101] usb 5-1: config 0 has no interface number 0 [ 98.440288][ T101] usb 5-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.448397][ T21] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.452570][ T17] usb 3-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.457452][ T101] usb 5-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.467719][ T17] usb 3-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.476528][ T101] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.477204][ T12] usb 1-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.482739][ T17] usb 3-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.482751][ T17] usb 3-1: config 0 has no interface number 0 [ 98.492919][ T12] usb 1-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.500917][ T1741] usb 4-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.508974][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.511714][ T101] usb 5-1: config 0 descriptor?? [ 98.519014][ T1741] usb 4-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.519028][ T1741] usb 4-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.519039][ T1741] usb 4-1: config 0 has no interface number 0 [ 98.519091][ T1742] usb 2-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.529713][ T12] usb 1-1: config 0 descriptor?? [ 98.537384][ T1742] usb 2-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.596348][ T101] iowarrior 5-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 98.602664][ T1742] usb 2-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.602678][ T1742] usb 2-1: config 0 has no interface number 0 [ 98.602841][ T21] usb 6-1: config 0 descriptor?? [ 98.622384][ T12] iowarrior 1-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 [ 98.625962][ T1741] usb 4-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.692407][ T1741] usb 4-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.701596][ T1741] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.709796][ T17] usb 3-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.719931][ T17] usb 3-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.729134][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.737636][ T1742] usb 2-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.747829][ T1742] usb 2-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.756968][ T1742] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.765325][ T17] usb 3-1: config 0 descriptor?? [ 98.772300][ T21] iowarrior 6-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior2 [ 98.784174][ T1741] usb 4-1: config 0 descriptor?? [ 98.791051][ T1742] usb 2-1: config 0 descriptor?? executing program executing program [ 98.914177][ T17] iowarrior 3-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior3 [ 98.917634][ T12] usb 1-1: USB disconnect, device number 2 [ 98.927043][ T1741] iowarrior 4-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior4 [ 98.941894][ T101] usb 5-1: USB disconnect, device number 2 [ 98.944077][ T1742] iowarrior 2-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior5 executing program [ 98.949068][ T1736] iowarrior 5-1:0.236: Error -19 while submitting URB [ 98.974960][ T12] iowarrior 1-1:0.236: I/O-Warror #1 now disconnected [ 98.980017][ T1741] usb 6-1: USB disconnect, device number 2 [ 98.982158][ T101] iowarrior 5-1:0.236: I/O-Warror #0 now disconnected [ 98.993074][ T1741] iowarrior 6-1:0.236: I/O-Warror #2 now disconnected [ 99.005754][ T1742] usb 3-1: USB disconnect, device number 2 executing program executing program executing program [ 99.014610][ T1742] iowarrior 3-1:0.236: I/O-Warror #3 now disconnected [ 99.023846][ T1744] usb 4-1: USB disconnect, device number 2 [ 99.030716][ T1744] iowarrior 4-1:0.236: I/O-Warror #4 now disconnected [ 99.034197][ T17] usb 2-1: USB disconnect, device number 2 [ 99.047132][ T17] iowarrior 2-1:0.236: I/O-Warror #5 now disconnected [ 99.352382][ T101] usb 5-1: new low-speed USB device number 3 using dummy_hcd [ 99.359998][ T12] usb 1-1: new low-speed USB device number 3 using dummy_hcd [ 99.382395][ T1742] usb 3-1: new low-speed USB device number 3 using dummy_hcd [ 99.412429][ T1741] usb 6-1: new low-speed USB device number 3 using dummy_hcd [ 99.419903][ T17] usb 2-1: new low-speed USB device number 3 using dummy_hcd [ 99.432383][ T1744] usb 4-1: new low-speed USB device number 3 using dummy_hcd [ 99.712465][ T101] usb 5-1: config 0 has an invalid interface number: 236 but max is 2 [ 99.720703][ T101] usb 5-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 99.730954][ T101] usb 5-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 99.739848][ T101] usb 5-1: config 0 has no interface number 0 [ 99.745996][ T12] usb 1-1: config 0 has an invalid interface number: 236 but max is 2 [ 99.754195][ T12] usb 1-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 99.762624][ T1742] usb 3-1: config 0 has an invalid interface number: 236 but max is 2 [ 99.764381][ T12] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 99.772595][ T1742] usb 3-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 99.781373][ T12] usb 1-1: config 0 has no interface number 0 [ 99.791535][ T1742] usb 3-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 99.797759][ T101] usb 5-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 99.806437][ T1742] usb 3-1: config 0 has no interface number 0 [ 99.816544][ T101] usb 5-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 99.823394][ T1742] usb 3-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 99.831576][ T101] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.831648][ T12] usb 1-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 99.841780][ T1742] usb 3-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 99.841794][ T1742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.842163][ T1741] usb 6-1: config 0 has an invalid interface number: 236 but max is 2 [ 99.849824][ T12] usb 1-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 99.849837][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.855770][ T101] usb 5-1: config 0 descriptor?? [ 99.859953][ T1741] usb 6-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 99.859968][ T1741] usb 6-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 99.872721][ T12] usb 1-1: config 0 descriptor?? [ 99.876986][ T1741] usb 6-1: config 0 has no interface number 0 [ 99.881196][ T1741] usb 6-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 99.885434][ T1744] usb 4-1: config 0 has an invalid interface number: 236 but max is 2 [ 99.894242][ T1741] usb 6-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 99.894255][ T1741] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.894815][ T1742] usb 3-1: config 0 descriptor?? [ 99.902246][ T1744] usb 4-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 99.902260][ T1744] usb 4-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 99.902271][ T1744] usb 4-1: config 0 has no interface number 0 [ 99.902819][ T1744] usb 4-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 99.907571][ T17] usb 2-1: config 0 has an invalid interface number: 236 but max is 2 [ 99.917510][ T1744] usb 4-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 99.926252][ T17] usb 2-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 99.931157][ T1744] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.937212][ T17] usb 2-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 99.949253][ T1744] usb 4-1: config 0 descriptor?? [ 99.955519][ T17] usb 2-1: config 0 has no interface number 0 [ 99.990120][ T101] iowarrior 5-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 100.001261][ T1741] usb 6-1: config 0 descriptor?? [ 100.042777][ T12] iowarrior 1-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 [ 100.048613][ T17] usb 2-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 100.058577][ T1744] iowarrior 4-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior2 [ 100.061937][ T17] usb 2-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 100.061952][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 100.077512][ T1742] iowarrior 3-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior3 [ 100.144677][ T1741] iowarrior 6-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior4 [ 100.155422][ T17] usb 2-1: config 0 descriptor?? executing program [ 100.303818][ T1742] usb 1-1: USB disconnect, device number 3 [ 100.333043][ T1744] usb 5-1: USB disconnect, device number 3 [ 100.333554][ T17] iowarrior 2-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior5 [ 100.339343][ T1756] iowarrior_open - error, can't find device for minor 0 [ 100.351998][ T1755] iowarrior_open - error, can't find device for minor 0 [ 100.358619][ T12] usb 3-1: USB disconnect, device number 3 [ 100.365251][ T1742] iowarrior 1-1:0.236: I/O-Warror #1 now disconnected [ 100.370392][ T1744] ================================================================== [ 100.384939][ T1744] BUG: KASAN: use-after-free in __mutex_lock+0xf23/0x1360 [ 100.392044][ T1744] Read of size 8 at addr ffff8881d12d42d8 by task kworker/0:3/1744 executing program [ 100.397763][ T1741] usb 6-1: USB disconnect, device number 3 [ 100.399917][ T1744] [ 100.399932][ T1744] CPU: 0 PID: 1744 Comm: kworker/0:3 Not tainted 5.3.0-rc5+ #28 [ 100.399939][ T1744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.399955][ T1744] Workqueue: usb_hub_wq hub_event [ 100.399962][ T1744] Call Trace: [ 100.399976][ T1744] dump_stack+0xca/0x13e [ 100.399992][ T1744] ? __mutex_lock+0xf23/0x1360 [ 100.405976][ T17] usb 4-1: USB disconnect, device number 3 [ 100.408168][ T1744] ? __mutex_lock+0xf23/0x1360 executing program executing program executing program [ 100.408183][ T1744] print_address_description+0x6a/0x32c [ 100.408195][ T1744] ? __mutex_lock+0xf23/0x1360 [ 100.408205][ T1744] ? __mutex_lock+0xf23/0x1360 [ 100.408217][ T1744] __kasan_report.cold+0x1a/0x33 [ 100.408231][ T1744] ? __mutex_lock+0xf23/0x1360 [ 100.419542][ T1741] iowarrior 6-1:0.236: I/O-Warror #4 now disconnected [ 100.425877][ T1744] kasan_report+0xe/0x12 [ 100.425891][ T1744] __mutex_lock+0xf23/0x1360 [ 100.425905][ T1744] ? lock_downgrade+0x6e0/0x6e0 [ 100.425919][ T1744] ? iowarrior_disconnect+0xf0/0x2c0 [ 100.425928][ T1744] ? mutex_trylock+0x2c0/0x2c0 [ 100.425937][ T1744] ? mutex_trylock+0x2c0/0x2c0 [ 100.425948][ T1744] ? __mutex_unlock_slowpath+0xea/0x670 [ 100.425958][ T1744] ? wait_for_completion+0x3c0/0x3c0 [ 100.425968][ T1744] ? __down_timeout+0x2d0/0x2d0 [ 100.425979][ T1744] ? iowarrior_disconnect+0xf0/0x2c0 [ 100.425994][ T1744] iowarrior_disconnect+0xf0/0x2c0 [ 100.433794][ T17] iowarrior 4-1:0.236: I/O-Warror #2 now disconnected [ 100.434288][ T1744] usb_unbind_interface+0x1bd/0x8a0 [ 100.551242][ T1744] ? usb_autoresume_device+0x60/0x60 [ 100.556503][ T1744] device_release_driver_internal+0x42f/0x500 [ 100.562550][ T1744] bus_remove_device+0x2dc/0x4a0 [ 100.567474][ T1744] device_del+0x420/0xb10 [ 100.571777][ T1744] ? __device_links_no_driver+0x240/0x240 [ 100.577468][ T1744] ? usb_remove_ep_devs+0x3e/0x80 [ 100.582473][ T1744] ? remove_intf_ep_devs+0x13f/0x1d0 [ 100.587743][ T1744] usb_disable_device+0x211/0x690 [ 100.592750][ T1744] usb_disconnect+0x284/0x8d0 [ 100.597413][ T1744] hub_event+0x1454/0x3640 [ 100.601804][ T1744] ? mark_held_locks+0xe0/0xe0 [ 100.606543][ T1744] ? hub_port_debounce+0x260/0x260 [ 100.611639][ T1744] process_one_work+0x92b/0x1530 [ 100.616555][ T1744] ? pwq_dec_nr_in_flight+0x310/0x310 [ 100.621905][ T1744] ? do_raw_spin_lock+0x11a/0x280 [ 100.626910][ T1744] worker_thread+0x96/0xe20 [ 100.631405][ T1744] ? process_one_work+0x1530/0x1530 [ 100.636586][ T1744] kthread+0x318/0x420 [ 100.640629][ T1744] ? kthread_create_on_node+0xf0/0xf0 [ 100.645977][ T1744] ret_from_fork+0x24/0x30 [ 100.650365][ T1744] [ 100.652670][ T1744] Allocated by task 101: [ 100.656885][ T1744] save_stack+0x1b/0x80 [ 100.661010][ T1744] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 100.666617][ T1744] iowarrior_probe+0x7a/0x10b2 [ 100.671351][ T1744] usb_probe_interface+0x305/0x7a0 [ 100.676449][ T1744] really_probe+0x281/0x6d0 [ 100.680923][ T1744] driver_probe_device+0x101/0x1b0 [ 100.686015][ T1744] __device_attach_driver+0x1c2/0x220 [ 100.691366][ T1744] bus_for_each_drv+0x162/0x1e0 [ 100.696199][ T1744] __device_attach+0x217/0x360 [ 100.700935][ T1744] bus_probe_device+0x1e4/0x290 [ 100.705759][ T1744] device_add+0xae6/0x16f0 [ 100.710152][ T1744] usb_set_configuration+0xdf6/0x1670 [ 100.715496][ T1744] generic_probe+0x9d/0xd5 [ 100.719883][ T1744] usb_probe_device+0x99/0x100 [ 100.724620][ T1744] really_probe+0x281/0x6d0 [ 100.729124][ T1744] driver_probe_device+0x101/0x1b0 [ 100.734207][ T1744] __device_attach_driver+0x1c2/0x220 [ 100.739550][ T1744] bus_for_each_drv+0x162/0x1e0 [ 100.742384][ T1742] usb 1-1: new low-speed USB device number 4 using dummy_hcd [ 100.744378][ T1744] __device_attach+0x217/0x360 [ 100.744389][ T1744] bus_probe_device+0x1e4/0x290 [ 100.744398][ T1744] device_add+0xae6/0x16f0 [ 100.744408][ T1744] usb_new_device.cold+0x6a4/0xe79 [ 100.744418][ T1744] hub_event+0x1b5c/0x3640 [ 100.744434][ T1744] process_one_work+0x92b/0x1530 [ 100.780060][ T1744] worker_thread+0x96/0xe20 [ 100.784539][ T1744] kthread+0x318/0x420 [ 100.788597][ T1744] ret_from_fork+0x24/0x30 [ 100.792364][ T1741] usb 6-1: new low-speed USB device number 4 using dummy_hcd [ 100.792980][ T1744] [ 100.792987][ T1744] Freed by task 1758: [ 100.793000][ T1744] save_stack+0x1b/0x80 [ 100.793010][ T1744] __kasan_slab_free+0x130/0x180 [ 100.793019][ T1744] kfree+0xe4/0x2f0 [ 100.793032][ T1744] iowarrior_release+0x187/0x280 [ 100.793042][ T1744] __fput+0x2d7/0x840 [ 100.793055][ T1744] task_work_run+0x13f/0x1c0 [ 100.832893][ T1744] do_exit+0x8ef/0x2c00 [ 100.837028][ T1744] do_group_exit+0x125/0x340 [ 100.841598][ T1744] __x64_sys_exit_group+0x3a/0x50 [ 100.842387][ T17] usb 4-1: new low-speed USB device number 4 using dummy_hcd [ 100.846596][ T1744] do_syscall_64+0xb7/0x580 [ 100.846610][ T1744] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.846613][ T1744] [ 100.846623][ T1744] The buggy address belongs to the object at ffff8881d12d4280 [ 100.846623][ T1744] which belongs to the cache kmalloc-512 of size 512 [ 100.846633][ T1744] The buggy address is located 88 bytes inside of [ 100.846633][ T1744] 512-byte region [ffff8881d12d4280, ffff8881d12d4480) [ 100.846637][ T1744] The buggy address belongs to the page: [ 100.846649][ T1744] page:ffffea000744b500 refcount:1 mapcount:0 mapping:ffff8881da002500 index:0xffff8881d12d5b80 compound_mapcount: 0 [ 100.846665][ T1744] flags: 0x200000000010200(slab|head) [ 100.917172][ T1744] raw: 0200000000010200 ffffea000744a088 ffffea00074ec988 ffff8881da002500 [ 100.925744][ T1744] raw: ffff8881d12d5b80 00000000000c0008 00000001ffffffff 0000000000000000 [ 100.934297][ T1744] page dumped because: kasan: bad access detected [ 100.940680][ T1744] [ 100.942983][ T1744] Memory state around the buggy address: [ 100.948586][ T1744] ffff8881d12d4180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.956622][ T1744] ffff8881d12d4200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 100.964657][ T1744] >ffff8881d12d4280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.972700][ T1744] ^ [ 100.979614][ T1744] ffff8881d12d4300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.987648][ T1744] ffff8881d12d4380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.995678][ T1744] ================================================================== [ 101.003713][ T1744] Disabling lock debugging due to kernel taint [ 101.009978][ T1744] Kernel panic - not syncing: panic_on_warn set ... [ 101.013467][ T21] usb 2-1: USB disconnect, device number 3 [ 101.016559][ T1744] CPU: 0 PID: 1744 Comm: kworker/0:3 Tainted: G B 5.3.0-rc5+ #28 [ 101.027315][ T21] iowarrior 2-1:0.236: I/O-Warror #5 now disconnected [ 101.031319][ T1744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.031335][ T1744] Workqueue: usb_hub_wq hub_event [ 101.031341][ T1744] Call Trace: [ 101.031358][ T1744] dump_stack+0xca/0x13e [ 101.060626][ T1744] panic+0x2a3/0x6da [ 101.064496][ T1744] ? add_taint.cold+0x16/0x16 [ 101.069153][ T1744] ? retint_kernel+0x10/0x10 [ 101.073726][ T1744] ? trace_hardirqs_on+0x55/0x1e0 [ 101.078721][ T1744] ? __mutex_lock+0xf23/0x1360 [ 101.083456][ T1744] end_report+0x43/0x49 [ 101.087592][ T1744] ? __mutex_lock+0xf23/0x1360 [ 101.092332][ T1744] __kasan_report.cold+0xd/0x33 [ 101.097164][ T1744] ? __mutex_lock+0xf23/0x1360 [ 101.101904][ T1744] kasan_report+0xe/0x12 [ 101.102404][ T1742] usb 1-1: config 0 has an invalid interface number: 236 but max is 2 [ 101.106121][ T1744] __mutex_lock+0xf23/0x1360 [ 101.106134][ T1744] ? lock_downgrade+0x6e0/0x6e0 [ 101.106146][ T1744] ? iowarrior_disconnect+0xf0/0x2c0 [ 101.106159][ T1744] ? mutex_trylock+0x2c0/0x2c0 [ 101.114351][ T1742] usb 1-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 101.118845][ T1744] ? mutex_trylock+0x2c0/0x2c0 [ 101.123690][ T1742] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 101.128916][ T1744] ? __mutex_unlock_slowpath+0xea/0x670 [ 101.133658][ T1742] usb 1-1: config 0 has no interface number 0 [ 101.143761][ T1744] ? wait_for_completion+0x3c0/0x3c0 [ 101.143770][ T1744] ? __down_timeout+0x2d0/0x2d0 [ 101.143786][ T1744] ? iowarrior_disconnect+0xf0/0x2c0 [ 101.149286][ T1742] usb 1-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 101.157338][ T1744] iowarrior_disconnect+0xf0/0x2c0 [ 101.157351][ T1744] usb_unbind_interface+0x1bd/0x8a0 [ 101.157361][ T1744] ? usb_autoresume_device+0x60/0x60 [ 101.157374][ T1744] device_release_driver_internal+0x42f/0x500 [ 101.157384][ T1744] bus_remove_device+0x2dc/0x4a0 [ 101.157393][ T1744] device_del+0x420/0xb10 [ 101.157407][ T1744] ? __device_links_no_driver+0x240/0x240 [ 101.162973][ T1742] usb 1-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 101.168974][ T1744] ? usb_remove_ep_devs+0x3e/0x80 [ 101.174796][ T1742] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 101.179598][ T1744] ? remove_intf_ep_devs+0x13f/0x1d0 [ 101.188860][ T1742] usb 1-1: config 0 descriptor?? [ 101.194878][ T1744] usb_disable_device+0x211/0x690 [ 101.194889][ T1744] usb_disconnect+0x284/0x8d0 [ 101.194898][ T1744] hub_event+0x1454/0x3640 [ 101.194911][ T1744] ? mark_held_locks+0xe0/0xe0 [ 101.194925][ T1744] ? hub_port_debounce+0x260/0x260 [ 101.202679][ T1741] usb 6-1: config 0 has an invalid interface number: 236 but max is 2 [ 101.205201][ T1744] process_one_work+0x92b/0x1530 [ 101.205213][ T1744] ? pwq_dec_nr_in_flight+0x310/0x310 [ 101.205227][ T1744] ? do_raw_spin_lock+0x11a/0x280 [ 101.218358][ T1741] usb 6-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 101.224438][ T1744] worker_thread+0x96/0xe20 [ 101.224450][ T1744] ? process_one_work+0x1530/0x1530 [ 101.224459][ T1744] kthread+0x318/0x420 [ 101.224469][ T1744] ? kthread_create_on_node+0xf0/0xf0 [ 101.224479][ T1744] ret_from_fork+0x24/0x30 [ 101.229901][ T1744] Kernel Offset: disabled [ 101.357654][ T1744] Rebooting in 86400 seconds..