[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. [ 15.927684][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.785812][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.025735][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 27.145827][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 27.154018][ T21] usb 1-1: config 0 has no interface number 0 [ 27.160173][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 27.170028][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 27.179135][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.188880][ T21] usb 1-1: config 0 descriptor?? [ 27.445844][ T21] hdpvr 1-1:0.26: firmware version 0x8 dated MsgA& upP+RZJY!q!9KUxed-0 executing program [ 28.198871][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 28.225796][ T21] hdpvr 1-1:0.26: Could not setup controls [ 28.231890][ T21] hdpvr 1-1:0.26: registering videodev failed [ 28.241622][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 28.249337][ T21] usb 1-1: USB disconnect, device number 2 [ 28.605769][ T21] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 28.855767][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 28.975963][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 28.984092][ T21] usb 1-1: config 0 has no interface number 0 [ 28.990239][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 29.000097][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 29.009282][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.018573][ T21] usb 1-1: config 0 descriptor?? [ 29.276273][ T21] hdpvr 1-1:0.26: firmware version 0x8 dated MsgA& upP+RZJY!q!9KU executing program [ 30.028068][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 30.055798][ T21] hdpvr 1-1:0.26: Could not setup controls [ 30.061878][ T21] hdpvr 1-1:0.26: registering videodev failed [ 30.071102][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 30.078280][ T21] usb 1-1: USB disconnect, device number 3 [ 30.435769][ T21] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 30.675770][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 30.795838][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 30.803921][ T21] usb 1-1: config 0 has no interface number 0 [ 30.810063][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 30.819895][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 30.828954][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 30.837777][ T21] usb 1-1: config 0 descriptor?? [ 31.085792][ T21] hdpvr 1-1:0.26: firmware version 0x8 dated MsgA& upP+RZJY!q!9KU executing program [ 31.857111][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 31.885786][ T21] hdpvr 1-1:0.26: Could not setup controls [ 31.891740][ T21] hdpvr 1-1:0.26: registering videodev failed [ 31.900925][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 31.908352][ T21] usb 1-1: USB disconnect, device number 4 [ 32.265791][ T21] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 32.505752][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 32.625851][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 32.633947][ T21] usb 1-1: config 0 has no interface number 0 [ 32.640088][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 32.650002][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 32.659160][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.667920][ T21] usb 1-1: config 0 descriptor?? [ 32.925837][ T21] hdpvr 1-1:0.26: firmware version 0x8 dated MsgA& upP+RZJY!q!9KU executing program [ 33.676983][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 33.705818][ T21] hdpvr 1-1:0.26: Could not setup controls [ 33.711793][ T21] hdpvr 1-1:0.26: registering videodev failed [ 33.719933][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 33.727293][ T21] usb 1-1: USB disconnect, device number 5 [ 34.075761][ T21] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 34.315768][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 34.435841][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 34.443929][ T21] usb 1-1: config 0 has no interface number 0 [ 34.450087][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 34.459937][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 34.468993][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 34.478089][ T21] usb 1-1: config 0 descriptor?? [ 34.725819][ T21] hdpvr 1-1:0.26: firmware version 0x8 dated MsgA& upP+RZJY!q!9KU executing program [ 35.487076][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 35.515806][ T21] hdpvr 1-1:0.26: Could not setup controls [ 35.521780][ T21] hdpvr 1-1:0.26: registering videodev failed [ 35.530934][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 35.538519][ T21] usb 1-1: USB disconnect, device number 6 [ 35.895786][ T21] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 36.135775][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 36.255847][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 36.263965][ T21] usb 1-1: config 0 has no interface number 0 [ 36.270120][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 36.279988][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 36.289050][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.298198][ T21] usb 1-1: config 0 descriptor?? [ 36.555832][ T21] hdpvr 1-1:0.26: firmware version 0x8 dated MsgA& upP+RZJY!q!9KU executing program [ 37.306704][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 37.335797][ T21] hdpvr 1-1:0.26: Could not setup controls [ 37.341764][ T21] hdpvr 1-1:0.26: registering videodev failed [ 37.349619][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 37.356759][ T21] usb 1-1: USB disconnect, device number 7 [ 37.705831][ T21] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 37.945811][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 38.065856][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 38.073944][ T21] usb 1-1: config 0 has no interface number 0 [ 38.080077][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 38.089915][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 38.099008][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.108058][ T21] usb 1-1: config 0 descriptor?? [ 38.367600][ T21] ================================================================== [ 38.367604][ T21] BUG: KASAN: slab-out-of-bounds in string_nocheck+0x1ee/0x220 [ 38.367607][ T21] Read of size 1 at addr ffff8881d1170280 by task kworker/1:1/21 [ 38.367608][ T21] [ 38.367611][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.3.0-rc4+ #26 [ 38.367614][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.367616][ T21] Workqueue: usb_hub_wq hub_event [ 38.367619][ T21] Call Trace: [ 38.367621][ T21] dump_stack+0xca/0x13e [ 38.367623][ T21] ? string_nocheck+0x1ee/0x220 [ 38.367625][ T21] ? string_nocheck+0x1ee/0x220 [ 38.367627][ T21] print_address_description+0x6a/0x32c [ 38.367629][ T21] ? string_nocheck+0x1ee/0x220 [ 38.367631][ T21] ? string_nocheck+0x1ee/0x220 [ 38.367632][ T21] __kasan_report.cold+0x1a/0x33 [ 38.367634][ T21] ? string_nocheck+0x1ee/0x220 [ 38.367636][ T21] kasan_report+0xe/0x12 [ 38.367638][ T21] string_nocheck+0x1ee/0x220 [ 38.367639][ T21] ? widen_string+0x2a0/0x2a0 [ 38.367641][ T21] ? mark_lock+0xbc/0x1130 [ 38.367643][ T21] ? hub_event+0x1b5c/0x3640 [ 38.367645][ T21] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 38.367647][ T21] string+0xe5/0xf0 [ 38.367648][ T21] ? hex_string+0x4c0/0x4c0 [ 38.367650][ T21] ? __lock_acquire+0x145e/0x3b50 [ 38.367652][ T21] vsnprintf+0x7d3/0x14f0 [ 38.367653][ T21] ? pointer+0x6b0/0x6b0 [ 38.367655][ T21] ? mark_lock+0xbc/0x1130 [ 38.367657][ T21] vscnprintf+0x29/0x80 [ 38.367658][ T21] vprintk_store+0x40/0x4b0 [ 38.367660][ T21] vprintk_emit+0xc8/0x3e0 [ 38.367662][ T21] vprintk_func+0x75/0x113 [ 38.367663][ T21] printk+0xba/0xed [ 38.367665][ T21] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 38.367667][ T21] ? refcount_inc_checked+0x1d/0x60 [ 38.367669][ T21] hdpvr_probe.cold+0x194/0x1247 [ 38.367671][ T21] usb_probe_interface+0x305/0x7a0 [ 38.367673][ T21] ? usb_probe_device+0x100/0x100 [ 38.367675][ T21] really_probe+0x281/0x6d0 [ 38.367677][ T21] driver_probe_device+0x101/0x1b0 [ 38.367679][ T21] __device_attach_driver+0x1c2/0x220 [ 38.367681][ T21] ? driver_allows_async_probing+0x160/0x160 [ 38.367683][ T21] bus_for_each_drv+0x162/0x1e0 [ 38.367685][ T21] ? bus_rescan_devices+0x20/0x20 [ 38.367687][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.367689][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 38.367691][ T21] __device_attach+0x217/0x360 [ 38.367693][ T21] ? device_bind_driver+0xd0/0xd0 [ 38.367695][ T21] ? kobject_uevent_env+0x29e/0x1160 [ 38.367697][ T21] ? kobject_uevent_env+0x2a8/0x1160 [ 38.367699][ T21] bus_probe_device+0x1e4/0x290 [ 38.367701][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.367702][ T21] device_add+0xae6/0x16f0 [ 38.367704][ T21] ? uevent_store+0x50/0x50 [ 38.367706][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.367709][ T21] usb_set_configuration+0xdf6/0x1670 [ 38.367710][ T21] generic_probe+0x9d/0xd5 [ 38.367712][ T21] usb_probe_device+0x99/0x100 [ 38.367714][ T21] ? usb_suspend+0x620/0x620 [ 38.367716][ T21] really_probe+0x281/0x6d0 [ 38.367718][ T21] driver_probe_device+0x101/0x1b0 [ 38.367721][ T21] __device_attach_driver+0x1c2/0x220 [ 38.367725][ T21] ? driver_allows_async_probing+0x160/0x160 [ 38.367727][ T21] bus_for_each_drv+0x162/0x1e0 [ 38.367730][ T21] ? bus_rescan_devices+0x20/0x20 [ 38.367734][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.367737][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 38.367740][ T21] __device_attach+0x217/0x360 [ 38.367742][ T21] ? device_bind_driver+0xd0/0xd0 [ 38.367744][ T21] ? kobject_uevent_env+0x29e/0x1160 [ 38.367746][ T21] ? kobject_uevent_env+0x2a8/0x1160 [ 38.367748][ T21] bus_probe_device+0x1e4/0x290 [ 38.367750][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.367752][ T21] device_add+0xae6/0x16f0 [ 38.367754][ T21] ? uevent_store+0x50/0x50 [ 38.367756][ T21] usb_new_device.cold+0x6a4/0xe79 [ 38.367757][ T21] hub_event+0x1b5c/0x3640 [ 38.367759][ T21] ? hub_port_debounce+0x260/0x260 [ 38.367761][ T21] process_one_work+0x92b/0x1530 [ 38.367763][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 38.367765][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 38.367767][ T21] worker_thread+0x7ab/0xe20 [ 38.367769][ T21] ? process_one_work+0x1530/0x1530 [ 38.367771][ T21] kthread+0x318/0x420 [ 38.367773][ T21] ? kthread_create_on_node+0xf0/0xf0 [ 38.367775][ T21] ret_from_fork+0x24/0x30 [ 38.367776][ T21] [ 38.367778][ T21] Allocated by task 21: [ 38.367779][ T21] save_stack+0x1b/0x80 [ 38.367781][ T21] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 38.367783][ T21] hdpvr_probe+0x1ce/0xac0 [ 38.367785][ T21] usb_probe_interface+0x305/0x7a0 [ 38.367787][ T21] really_probe+0x281/0x6d0 [ 38.367789][ T21] driver_probe_device+0x101/0x1b0 [ 38.367791][ T21] __device_attach_driver+0x1c2/0x220 [ 38.367792][ T21] bus_for_each_drv+0x162/0x1e0 [ 38.367794][ T21] __device_attach+0x217/0x360 [ 38.367796][ T21] bus_probe_device+0x1e4/0x290 [ 38.367798][ T21] device_add+0xae6/0x16f0 [ 38.367800][ T21] usb_set_configuration+0xdf6/0x1670 [ 38.367801][ T21] generic_probe+0x9d/0xd5 [ 38.367803][ T21] usb_probe_device+0x99/0x100 [ 38.367805][ T21] really_probe+0x281/0x6d0 [ 38.367807][ T21] driver_probe_device+0x101/0x1b0 [ 38.367809][ T21] __device_attach_driver+0x1c2/0x220 [ 38.367811][ T21] bus_for_each_drv+0x162/0x1e0 [ 38.367813][ T21] __device_attach+0x217/0x360 [ 38.367814][ T21] bus_probe_device+0x1e4/0x290 [ 38.367816][ T21] device_add+0xae6/0x16f0 [ 38.367818][ T21] usb_new_device.cold+0x6a4/0xe79 [ 38.367820][ T21] hub_event+0x1b5c/0x3640 [ 38.367822][ T21] process_one_work+0x92b/0x1530 [ 38.367823][ T21] worker_thread+0x7ab/0xe20 [ 38.367825][ T21] kthread+0x318/0x420 [ 38.367827][ T21] ret_from_fork+0x24/0x30 [ 38.367828][ T21] [ 38.367829][ T21] Freed by task 0: [ 38.367831][ T21] (stack is not available) [ 38.367832][ T21] [ 38.367835][ T21] The buggy address belongs to the object at ffff8881d1170240 [ 38.367838][ T21] which belongs to the cache kmalloc-64 of size 64 [ 38.367840][ T21] The buggy address is located 0 bytes to the right of [ 38.367843][ T21] 64-byte region [ffff8881d1170240, ffff8881d1170280) [ 38.367845][ T21] The buggy address belongs to the page: [ 38.367848][ T21] page:ffffea0007445c00 refcount:1 mapcount:0 mapping:ffff8881da003180 index:0x0 [ 38.367852][ T21] flags: 0x200000000000200(slab) [ 38.367855][ T21] raw: 0200000000000200 dead000000000100 dead000000000122 ffff8881da003180 [ 38.367858][ T21] raw: 0000000000000000 00000000802a002a 00000001ffffffff 0000000000000000 [ 38.367861][ T21] page dumped because: kasan: bad access detected [ 38.367862][ T21] [ 38.367864][ T21] Memory state around the buggy address: [ 38.367867][ T21] ffff8881d1170180: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb [ 38.367870][ T21] ffff8881d1170200: fb fb fb fb fc fc fc fc 00 00 00 00 00 00 00 00 [ 38.367873][ T21] >ffff8881d1170280: fc fc fc fc fb fb fb fb fb fb fb fb fc fc fc fc [ 38.367875][ T21] ^ [ 38.367878][ T21] ffff8881d1170300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 38.367881][ T21] ffff8881d1170380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 38.367884][ T21] ================================================================== [ 38.367886][ T21] Disabling lock debugging due to kernel taint [ 38.367889][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 38.367892][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Tainted: G B 5.3.0-rc4+ #26 [ 38.367896][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.367898][ T21] Workqueue: usb_hub_wq hub_event [ 38.367900][ T21] Call Trace: [ 38.367902][ T21] dump_stack+0xca/0x13e [ 38.367903][ T21] panic+0x2a3/0x6da [ 38.367909][ T21] ? add_taint.cold+0x16/0x16 [ 38.367911][ T21] ? print_shadow_for_address+0xb8/0x114 [ 38.367913][ T21] ? trace_hardirqs_off+0x50/0x1d0 [ 38.367915][ T21] ? string_nocheck+0x1ee/0x220 [ 38.367917][ T21] end_report+0x43/0x49 [ 38.367919][ T21] ? string_nocheck+0x1ee/0x220 [ 38.367920][ T21] __kasan_report.cold+0xd/0x33 [ 38.367922][ T21] ? string_nocheck+0x1ee/0x220 [ 38.367924][ T21] kasan_report+0xe/0x12 [ 38.367926][ T21] string_nocheck+0x1ee/0x220 [ 38.367927][ T21] ? widen_string+0x2a0/0x2a0 [ 38.367929][ T21] ? mark_lock+0xbc/0x1130 [ 38.367931][ T21] ? hub_event+0x1b5c/0x3640 [ 38.367933][ T21] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 38.367935][ T21] string+0xe5/0xf0 [ 38.367936][ T21] ? hex_string+0x4c0/0x4c0 [ 38.367938][ T21] ? __lock_acquire+0x145e/0x3b50 [ 38.367940][ T21] vsnprintf+0x7d3/0x14f0 [ 38.367942][ T21] ? pointer+0x6b0/0x6b0 [ 38.367943][ T21] ? mark_lock+0xbc/0x1130 [ 38.367945][ T21] vscnprintf+0x29/0x80 [ 38.367947][ T21] vprintk_store+0x40/0x4b0 [ 38.367948][ T21] vprintk_emit+0xc8/0x3e0 [ 38.367950][ T21] vprintk_func+0x75/0x113 [ 38.367952][ T21] printk+0xba/0xed [ 38.367954][ T21] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 38.367956][ T21] ? refcount_inc_checked+0x1d/0x60 [ 38.367958][ T21] hdpvr_probe.cold+0x194/0x1247 [ 38.367960][ T21] usb_probe_interface+0x305/0x7a0 [ 38.367961][ T21] ? usb_probe_device+0x100/0x100 [ 38.367963][ T21] really_probe+0x281/0x6d0 [ 38.367965][ T21] driver_probe_device+0x101/0x1b0 [ 38.367967][ T21] __device_attach_driver+0x1c2/0x220 [ 38.367969][ T21] ? driver_allows_async_probing+0x160/0x160 [ 38.367971][ T21] bus_for_each_drv+0x162/0x1e0 [ 38.367973][ T21] ? bus_rescan_devices+0x20/0x20 [ 38.367975][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.367977][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 38.367979][ T21] __device_attach+0x217/0x360 [ 38.367981][ T21] ? device_bind_driver+0xd0/0xd0 [ 38.367983][ T21] ? kobject_uevent_env+0x29e/0x1160 [ 38.367985][ T21] ? kobject_uevent_env+0x2a8/0x1160 [ 38.367987][ T21] bus_probe_device+0x1e4/0x290 [ 38.367989][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.367991][ T21] device_add+0xae6/0x16f0 [ 38.367992][ T21] ? uevent_store+0x50/0x50 [ 38.367994][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.367996][ T21] usb_set_configuration+0xdf6/0x1670 [ 38.367998][ T21] generic_probe+0x9d/0xd5 [ 38.368000][ T21] usb_probe_device+0x99/0x100 [ 38.368002][ T21] ? usb_suspend+0x620/0x620 [ 38.368003][ T21] really_probe+0x281/0x6d0 [ 38.368005][ T21] driver_probe_device+0x101/0x1b0 [ 38.368007][ T21] __device_attach_driver+0x1c2/0x220 [ 38.368010][ T21] ? driver_allows_async_probing+0x160/0x160 [ 38.368012][ T21] bus_for_each_drv+0x162/0x1e0 [ 38.368014][ T21] ? bus_rescan_devices+0x20/0x20 [ 38.368016][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.368018][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 38.368020][ T21] __device_attach+0x217/0x360 [ 38.368022][ T21] ? device_bind_driver+0xd0/0xd0 [ 38.368024][ T21] ? kobject_uevent_env+0x29e/0x1160 [ 38.368026][ T21] ? kobject_uevent_env+0x2a8/0x1160 [ 38.368027][ T21] bus_probe_device+0x1e4/0x290 [ 38.368030][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.368031][ T21] device_add+0xae6/0x16f0 [ 38.368033][ T21] ? uevent_store+0x50/0x50 [ 38.368035][ T21] usb_new_device.cold+0x6a4/0xe79 [ 38.368037][ T21] hub_event+0x1b5c/0x3640 [ 38.368039][ T21] ? hub_port_debounce+0x260/0x260 [ 38.368041][ T21] process_one_work+0x92b/0x1530 [ 38.368043][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 38.368044][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 38.368046][ T21] worker_thread+0x7ab/0xe20 [ 38.368048][ T21] ? process_one_work+0x1530/0x1530 [ 38.368050][ T21] kthread+0x318/0x420 [ 38.368052][ T21] ? kthread_create_on_node+0xf0/0xf0 [ 38.368053][ T21] ret_from_fork+0x24/0x30 [ 38.368055][ T21] Kernel Offset: disabled