[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.367958][ T1668] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 15.475149][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 26.980243][ T12] usb 6-1: new low-speed USB device number 2 using dummy_hcd [ 26.980251][ T83] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 26.992892][ T5] usb 5-1: new low-speed USB device number 2 using dummy_hcd [ 27.006507][ T1739] usb 4-1: new low-speed USB device number 2 using dummy_hcd [ 27.010163][ T17] usb 2-1: new low-speed USB device number 2 using dummy_hcd [ 27.014068][ T1740] usb 3-1: new low-speed USB device number 2 using dummy_hcd [ 27.340551][ T12] usb 6-1: config 0 has an invalid interface number: 236 but max is 2 [ 27.348944][ T12] usb 6-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 27.359165][ T12] usb 6-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 27.368631][ T12] usb 6-1: config 0 has no interface number 0 [ 27.370237][ T83] usb 1-1: config 0 has an invalid interface number: 236 but max is 2 [ 27.375014][ T12] usb 6-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 27.382944][ T83] usb 1-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 27.382957][ T83] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 27.382969][ T83] usb 1-1: config 0 has no interface number 0 [ 27.383454][ T83] usb 1-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 27.393274][ T12] usb 6-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 27.403426][ T83] usb 1-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 27.403440][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.412403][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.418645][ T17] usb 2-1: config 0 has an invalid interface number: 236 but max is 2 [ 27.428594][ T1739] usb 4-1: config 0 has an invalid interface number: 236 but max is 2 [ 27.437927][ T17] usb 2-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 27.437942][ T17] usb 2-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 27.437953][ T17] usb 2-1: config 0 has no interface number 0 [ 27.438146][ T17] usb 2-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 27.447080][ T1739] usb 4-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 27.447095][ T1739] usb 4-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 27.447105][ T1739] usb 4-1: config 0 has no interface number 0 [ 27.447393][ T1740] usb 3-1: config 0 has an invalid interface number: 236 but max is 2 [ 27.455291][ T17] usb 2-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 27.463287][ T1740] usb 3-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 27.463299][ T1740] usb 3-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 27.463313][ T1740] usb 3-1: config 0 has no interface number 0 [ 27.471494][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.477248][ T83] usb 1-1: config 0 descriptor?? [ 27.479771][ T5] usb 5-1: config 0 has an invalid interface number: 236 but max is 2 [ 27.479786][ T5] usb 5-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 27.494649][ T17] usb 2-1: config 0 descriptor?? [ 27.499442][ T5] usb 5-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 27.499455][ T5] usb 5-1: config 0 has no interface number 0 [ 27.500143][ T5] usb 5-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 27.555222][ T83] iowarrior 1-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 27.558385][ T5] usb 5-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 27.558401][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.574940][ T17] iowarrior 2-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 [ 27.577871][ T1739] usb 4-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 27.694321][ T1739] usb 4-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 27.703380][ T1739] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.711434][ T1740] usb 3-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 27.721603][ T1740] usb 3-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 27.730658][ T1740] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.739900][ T12] usb 6-1: config 0 descriptor?? [ 27.745642][ T1740] usb 3-1: config 0 descriptor?? [ 27.751917][ T5] usb 5-1: config 0 descriptor?? [ 27.757588][ T1739] usb 4-1: config 0 descriptor?? executing program executing program [ 27.883595][ T1743] usb 2-1: USB disconnect, device number 2 [ 27.890499][ T12] iowarrior 6-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior2 [ 27.901090][ T83] usb 1-1: USB disconnect, device number 2 [ 27.907890][ T1740] iowarrior 3-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior3 [ 27.914383][ T83] iowarrior 1-1:0.236: I/O-Warror #0 now disconnected [ 27.927158][ T5] iowarrior 5-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 27.946863][ T1739] iowarrior 4-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior4 [ 27.958141][ T1743] iowarrior 2-1:0.236: I/O-Warror #1 now disconnected executing program executing program executing program executing program [ 28.102127][ T5] usb 5-1: USB disconnect, device number 2 [ 28.106190][ T17] usb 4-1: USB disconnect, device number 2 [ 28.110572][ T1739] usb 3-1: USB disconnect, device number 2 [ 28.122242][ T5] iowarrior 5-1:0.236: I/O-Warror #0 now disconnected [ 28.125738][ T17] iowarrior 4-1:0.236: I/O-Warror #4 now disconnected [ 28.132016][ T1740] usb 6-1: USB disconnect, device number 2 [ 28.144719][ T1739] iowarrior 3-1:0.236: I/O-Warror #3 now disconnected [ 28.155898][ T1740] iowarrior 6-1:0.236: I/O-Warror #2 now disconnected [ 28.300138][ T83] usb 1-1: new low-speed USB device number 3 using dummy_hcd [ 28.330130][ T1743] usb 2-1: new low-speed USB device number 3 using dummy_hcd [ 28.510162][ T1739] usb 3-1: new low-speed USB device number 3 using dummy_hcd [ 28.518487][ T1740] usb 6-1: new low-speed USB device number 3 using dummy_hcd [ 28.520156][ T17] usb 4-1: new low-speed USB device number 3 using dummy_hcd [ 28.540256][ T5] usb 5-1: new low-speed USB device number 3 using dummy_hcd [ 28.690215][ T83] usb 1-1: config 0 has an invalid interface number: 236 but max is 2 [ 28.698451][ T83] usb 1-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 28.708663][ T83] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 28.710180][ T1743] usb 2-1: config 0 has an invalid interface number: 236 but max is 2 [ 28.717567][ T83] usb 1-1: config 0 has no interface number 0 [ 28.725749][ T1743] usb 2-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 28.732010][ T83] usb 1-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 28.742048][ T1743] usb 2-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 28.742064][ T1743] usb 2-1: config 0 has no interface number 0 [ 28.752457][ T83] usb 1-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 28.762052][ T1743] usb 2-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 28.767528][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.768769][ T83] usb 1-1: config 0 descriptor?? [ 28.776729][ T1743] usb 2-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 28.776744][ T1743] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.820155][ T1743] usb 2-1: config 0 descriptor?? [ 28.828963][ T83] iowarrior 1-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 28.873248][ T1743] iowarrior 2-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 [ 28.910269][ T17] usb 4-1: config 0 has an invalid interface number: 236 but max is 2 [ 28.918620][ T17] usb 4-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 28.928826][ T17] usb 4-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 28.937851][ T17] usb 4-1: config 0 has no interface number 0 [ 28.944138][ T17] usb 4-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 28.954462][ T17] usb 4-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 28.963784][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.973387][ T17] usb 4-1: config 0 descriptor?? [ 28.980368][ T5] usb 5-1: config 0 has an invalid interface number: 236 but max is 2 [ 28.992019][ T5] usb 5-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 29.002555][ T5] usb 5-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 29.011436][ T5] usb 5-1: config 0 has no interface number 0 [ 29.014518][ T17] iowarrior 4-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior2 [ 29.017549][ T1740] usb 6-1: config 0 has an invalid interface number: 236 but max is 2 [ 29.017561][ T1740] usb 6-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 29.017576][ T1740] usb 6-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 29.056172][ T1740] usb 6-1: config 0 has no interface number 0 [ 29.062317][ T1739] usb 3-1: config 0 has an invalid interface number: 236 but max is 2 [ 29.070558][ T1739] usb 3-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 29.080757][ T1739] usb 3-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 29.089599][ T1739] usb 3-1: config 0 has no interface number 0 [ 29.095977][ T5] usb 5-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 29.106083][ T5] usb 5-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 29.115167][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.123228][ T1739] usb 3-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 29.133451][ T1739] usb 3-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 29.142594][ T1739] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.151252][ T1740] usb 6-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 29.158964][ T17] usb 2-1: USB disconnect, device number 3 executing program executing program [ 29.165180][ T1740] usb 6-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 29.165194][ T1740] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.183728][ T17] iowarrior 2-1:0.236: I/O-Warror #1 now disconnected [ 29.188971][ T5] usb 5-1: config 0 descriptor?? [ 29.202334][ T1739] usb 3-1: config 0 descriptor?? [ 29.207945][ T1740] usb 6-1: config 0 descriptor?? [ 29.213783][ T83] usb 1-1: USB disconnect, device number 3 executing program [ 29.232044][ T1743] usb 4-1: USB disconnect, device number 3 [ 29.236760][ T83] ================================================================== [ 29.238959][ T1743] iowarrior 4-1:0.236: I/O-Warror #2 now disconnected [ 29.246100][ T83] BUG: KASAN: use-after-free in __mutex_lock+0xf23/0x1360 [ 29.246111][ T83] Read of size 8 at addr ffff8881d0c38558 by task kworker/1:2/83 [ 29.246114][ T83] [ 29.246127][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0-rc5+ #28 [ 29.246134][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.246147][ T83] Workqueue: usb_hub_wq hub_event [ 29.246153][ T83] Call Trace: [ 29.246166][ T83] dump_stack+0xca/0x13e [ 29.246176][ T83] ? __mutex_lock+0xf23/0x1360 [ 29.246185][ T83] ? __mutex_lock+0xf23/0x1360 [ 29.246198][ T83] print_address_description+0x6a/0x32c [ 29.246208][ T83] ? __mutex_lock+0xf23/0x1360 [ 29.246217][ T83] ? __mutex_lock+0xf23/0x1360 [ 29.246226][ T83] __kasan_report.cold+0x1a/0x33 [ 29.246236][ T83] ? __mutex_lock+0xf23/0x1360 [ 29.246250][ T83] kasan_report+0xe/0x12 [ 29.340998][ T83] __mutex_lock+0xf23/0x1360 [ 29.345603][ T83] ? lock_downgrade+0x6e0/0x6e0 [ 29.350676][ T83] ? iowarrior_disconnect+0xf0/0x2c0 [ 29.355947][ T83] ? mutex_trylock+0x2c0/0x2c0 [ 29.360705][ T83] ? mutex_trylock+0x2c0/0x2c0 [ 29.365547][ T83] ? __mutex_unlock_slowpath+0xea/0x670 [ 29.371082][ T83] ? wait_for_completion+0x3c0/0x3c0 [ 29.376370][ T83] ? __down_timeout+0x2d0/0x2d0 [ 29.381383][ T83] ? iowarrior_disconnect+0xf0/0x2c0 [ 29.386741][ T83] iowarrior_disconnect+0xf0/0x2c0 [ 29.391839][ T83] usb_unbind_interface+0x1bd/0x8a0 [ 29.397047][ T83] ? usb_autoresume_device+0x60/0x60 [ 29.402509][ T83] device_release_driver_internal+0x42f/0x500 [ 29.408568][ T83] bus_remove_device+0x2dc/0x4a0 [ 29.413494][ T83] device_del+0x420/0xb10 [ 29.417889][ T83] ? __device_links_no_driver+0x240/0x240 [ 29.423589][ T83] ? usb_remove_ep_devs+0x3e/0x80 [ 29.428589][ T83] ? remove_intf_ep_devs+0x13f/0x1d0 [ 29.433855][ T83] usb_disable_device+0x211/0x690 [ 29.438882][ T83] usb_disconnect+0x284/0x8d0 [ 29.443556][ T83] hub_event+0x1454/0x3640 [ 29.447955][ T83] ? find_held_lock+0x2d/0x110 [ 29.452833][ T83] ? mark_held_locks+0xe0/0xe0 [ 29.457681][ T83] ? hub_port_debounce+0x260/0x260 [ 29.462958][ T83] process_one_work+0x92b/0x1530 [ 29.467902][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.473373][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 29.478384][ T83] worker_thread+0x96/0xe20 [ 29.483010][ T83] ? process_one_work+0x1530/0x1530 [ 29.488184][ T83] kthread+0x318/0x420 [ 29.492251][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 29.497612][ T83] ret_from_fork+0x24/0x30 [ 29.502132][ T83] [ 29.504440][ T83] Allocated by task 83: [ 29.508575][ T83] save_stack+0x1b/0x80 [ 29.512728][ T83] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 29.518543][ T83] iowarrior_probe+0x7a/0x10b2 [ 29.523483][ T83] usb_probe_interface+0x305/0x7a0 [ 29.528581][ T83] really_probe+0x281/0x6d0 [ 29.533069][ T83] driver_probe_device+0x101/0x1b0 [ 29.538311][ T83] __device_attach_driver+0x1c2/0x220 [ 29.543681][ T83] bus_for_each_drv+0x162/0x1e0 [ 29.548525][ T83] __device_attach+0x217/0x360 [ 29.553283][ T83] bus_probe_device+0x1e4/0x290 [ 29.558150][ T83] device_add+0xae6/0x16f0 [ 29.562655][ T83] usb_set_configuration+0xdf6/0x1670 [ 29.568010][ T83] generic_probe+0x9d/0xd5 [ 29.572427][ T83] usb_probe_device+0x99/0x100 [ 29.577315][ T83] really_probe+0x281/0x6d0 [ 29.581815][ T83] driver_probe_device+0x101/0x1b0 [ 29.586910][ T83] __device_attach_driver+0x1c2/0x220 [ 29.592273][ T83] bus_for_each_drv+0x162/0x1e0 [ 29.597213][ T83] __device_attach+0x217/0x360 [ 29.602010][ T83] bus_probe_device+0x1e4/0x290 [ 29.606938][ T83] device_add+0xae6/0x16f0 [ 29.611357][ T83] usb_new_device.cold+0x6a4/0xe79 [ 29.616537][ T83] hub_event+0x1b5c/0x3640 [ 29.620939][ T83] process_one_work+0x92b/0x1530 [ 29.625863][ T83] worker_thread+0x96/0xe20 [ 29.630483][ T83] kthread+0x318/0x420 [ 29.634543][ T83] ret_from_fork+0x24/0x30 [ 29.639673][ T83] [ 29.641979][ T83] Freed by task 1765: [ 29.645943][ T83] save_stack+0x1b/0x80 [ 29.650085][ T83] __kasan_slab_free+0x130/0x180 [ 29.655001][ T83] kfree+0xe4/0x2f0 [ 29.658811][ T83] iowarrior_release+0x187/0x280 [ 29.663735][ T83] __fput+0x2d7/0x840 [ 29.667708][ T83] task_work_run+0x13f/0x1c0 [ 29.672281][ T83] do_exit+0x8ef/0x2c00 [ 29.676416][ T83] do_group_exit+0x125/0x340 [ 29.681007][ T83] get_signal+0x466/0x23d0 [ 29.685586][ T83] do_signal+0x88/0x14e0 [ 29.689813][ T83] exit_to_usermode_loop+0x1a2/0x200 [ 29.695080][ T83] do_syscall_64+0x45f/0x580 [ 29.699669][ T83] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.705534][ T83] [ 29.707846][ T83] The buggy address belongs to the object at ffff8881d0c38500 [ 29.707846][ T83] which belongs to the cache kmalloc-512 of size 512 [ 29.723369][ T83] The buggy address is located 88 bytes inside of [ 29.723369][ T83] 512-byte region [ffff8881d0c38500, ffff8881d0c38700) [ 29.736543][ T83] The buggy address belongs to the page: [ 29.742304][ T83] page:ffffea0007430e00 refcount:1 mapcount:0 mapping:ffff8881da002500 index:0xffff8881d0c39680 compound_mapcount: 0 [ 29.754552][ T83] flags: 0x200000000010200(slab|head) [ 29.760011][ T83] raw: 0200000000010200 ffffea000746ed80 0000000c0000000c ffff8881da002500 [ 29.768580][ T83] raw: ffff8881d0c39680 00000000800c0002 00000001ffffffff 0000000000000000 [ 29.777163][ T83] page dumped because: kasan: bad access detected [ 29.783812][ T83] [ 29.786122][ T83] Memory state around the buggy address: [ 29.791734][ T83] ffff8881d0c38400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.799797][ T83] ffff8881d0c38480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.808116][ T83] >ffff8881d0c38500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.816174][ T83] ^ [ 29.823187][ T83] ffff8881d0c38580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.831932][ T83] ffff8881d0c38600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.839977][ T83] ================================================================== [ 29.848030][ T83] Disabling lock debugging due to kernel taint [ 29.854432][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 29.861510][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Tainted: G B 5.3.0-rc5+ #28 [ 29.870382][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.870415][ T5] iowarrior 5-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 29.880428][ T83] Workqueue: usb_hub_wq hub_event [ 29.880435][ T83] Call Trace: [ 29.880450][ T83] dump_stack+0xca/0x13e [ 29.880459][ T83] panic+0x2a3/0x6da [ 29.880471][ T83] ? add_taint.cold+0x16/0x16 [ 29.892228][ T1739] iowarrior 3-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 [ 29.896576][ T83] ? retint_kernel+0x10/0x10 [ 29.896588][ T83] ? trace_hardirqs_on+0x55/0x1e0 [ 29.896602][ T83] ? __mutex_lock+0xf23/0x1360 [ 29.900640][ T1740] iowarrior 6-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior2 [ 29.904084][ T83] end_report+0x43/0x49 [ 29.904095][ T83] ? __mutex_lock+0xf23/0x1360 [ 29.904109][ T83] __kasan_report.cold+0xd/0x33 [ 29.970799][ T83] ? __mutex_lock+0xf23/0x1360 [ 29.975573][ T83] kasan_report+0xe/0x12 [ 29.979991][ T83] __mutex_lock+0xf23/0x1360 [ 29.984578][ T83] ? lock_downgrade+0x6e0/0x6e0 [ 29.989506][ T83] ? iowarrior_disconnect+0xf0/0x2c0 [ 29.994872][ T83] ? mutex_trylock+0x2c0/0x2c0 [ 29.999614][ T83] ? mutex_trylock+0x2c0/0x2c0 [ 30.004353][ T83] ? __mutex_unlock_slowpath+0xea/0x670 [ 30.009963][ T83] ? wait_for_completion+0x3c0/0x3c0 [ 30.015232][ T83] ? __down_timeout+0x2d0/0x2d0 [ 30.020089][ T83] ? iowarrior_disconnect+0xf0/0x2c0 [ 30.025367][ T83] iowarrior_disconnect+0xf0/0x2c0 [ 30.030463][ T83] usb_unbind_interface+0x1bd/0x8a0 [ 30.035637][ T83] ? usb_autoresume_device+0x60/0x60 [ 30.040922][ T83] device_release_driver_internal+0x42f/0x500 [ 30.047057][ T83] bus_remove_device+0x2dc/0x4a0 [ 30.051969][ T83] device_del+0x420/0xb10 [ 30.056276][ T83] ? __device_links_no_driver+0x240/0x240 [ 30.061986][ T83] ? usb_remove_ep_devs+0x3e/0x80 [ 30.066994][ T83] ? remove_intf_ep_devs+0x13f/0x1d0 [ 30.072291][ T83] usb_disable_device+0x211/0x690 [ 30.077301][ T83] usb_disconnect+0x284/0x8d0 [ 30.081999][ T83] hub_event+0x1454/0x3640 [ 30.086403][ T83] ? find_held_lock+0x2d/0x110 [ 30.091146][ T83] ? mark_held_locks+0xe0/0xe0 [ 30.096083][ T83] ? hub_port_debounce+0x260/0x260 [ 30.101292][ T83] process_one_work+0x92b/0x1530 [ 30.106800][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.112155][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 30.117166][ T83] worker_thread+0x96/0xe20 [ 30.121670][ T83] ? process_one_work+0x1530/0x1530 [ 30.126849][ T83] kthread+0x318/0x420 [ 30.130916][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 30.137401][ T83] ret_from_fork+0x24/0x30 [ 30.143497][ T83] Kernel Offset: disabled [ 30.147811][ T83] Rebooting in 86400 seconds..