[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 14.843031][ C1] random: crng init done [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.16' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.474048][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 36.714018][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 36.834099][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 36.842252][ T21] usb 1-1: config 0 has no interface number 0 [ 36.848495][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 36.858460][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 36.867623][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.877315][ T21] usb 1-1: config 0 descriptor?? [ 37.134496][ T21] hdpvr 1-1:0.26: firmware version 0xc1 dated °1ùñÆ¥AàäNBúE=øžeb¤ ë¹°²ŸÚÁê!åB°)RZê9Š.. [ 37.144771][ T21] hdpvr 1-1:0.26: untested firmware, the driver might not work. executing program [ 37.896979][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 37.924071][ T21] hdpvr 1-1:0.26: Could not setup controls [ 37.930131][ T21] hdpvr 1-1:0.26: registering videodev failed [ 37.939966][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 37.947810][ T21] usb 1-1: USB disconnect, device number 2 [ 38.304032][ T21] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 38.543988][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 38.664095][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 38.672352][ T21] usb 1-1: config 0 has no interface number 0 [ 38.678535][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 38.688495][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 38.697691][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.706468][ T21] usb 1-1: config 0 descriptor?? [ 38.964108][ T21] hdpvr 1-1:0.26: firmware version 0xc1 dated °1ùñÆ¥AàäNBúE=øžeb¤ ë¹°²ŸÚÁê!åB°)RZê9Š [ 38.974485][ T21] hdpvr 1-1:0.26: untested firmware, the driver might not work. executing program [ 39.725409][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 39.754491][ T21] hdpvr 1-1:0.26: Could not setup controls [ 39.760491][ T21] hdpvr 1-1:0.26: registering videodev failed [ 39.769732][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 39.776929][ T21] usb 1-1: USB disconnect, device number 3 [ 40.134037][ T21] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 40.374021][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 40.494121][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 40.502218][ T21] usb 1-1: config 0 has no interface number 0 [ 40.508437][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 40.518409][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 40.527566][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.537134][ T21] usb 1-1: config 0 descriptor?? [ 40.784125][ T21] hdpvr 1-1:0.26: firmware version 0xc1 dated °1ùñÆ¥AàäNBúE=øžeb¤ ë¹°²ŸÚÁê!åB°)RZê9Š [ 40.794484][ T21] hdpvr 1-1:0.26: untested firmware, the driver might not work. executing program [ 41.545208][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 41.574092][ T21] hdpvr 1-1:0.26: Could not setup controls [ 41.580438][ T21] hdpvr 1-1:0.26: registering videodev failed [ 41.589458][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 41.596913][ T21] usb 1-1: USB disconnect, device number 4 [ 41.954039][ T21] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 42.194038][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 42.314143][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 42.322405][ T21] usb 1-1: config 0 has no interface number 0 [ 42.328701][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 42.338722][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 42.349311][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.359652][ T21] usb 1-1: config 0 descriptor?? [ 42.624151][ T21] hdpvr 1-1:0.26: firmware version 0xc1 dated °1ùñÆ¥AàäNBúE=øžeb¤ ë¹°²ŸÚÁê!åB°)RZê9Š [ 42.634515][ T21] hdpvr 1-1:0.26: untested firmware, the driver might not work. executing program [ 43.376231][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 43.404083][ T21] hdpvr 1-1:0.26: Could not setup controls [ 43.410158][ T21] hdpvr 1-1:0.26: registering videodev failed [ 43.419354][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 43.426728][ T21] usb 1-1: USB disconnect, device number 5 [ 43.784057][ T21] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 44.024070][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 44.144158][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 44.152373][ T21] usb 1-1: config 0 has no interface number 0 [ 44.158663][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 44.168746][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 44.178231][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.187365][ T21] usb 1-1: config 0 descriptor?? [ 44.444341][ T21] hdpvr 1-1:0.26: firmware version 0xc1 dated °1ùñÆ¥AàäNBúE=øžeb¤ ë¹°²ŸÚÁê!åB°)RZê9Š [ 44.454920][ T21] hdpvr 1-1:0.26: untested firmware, the driver might not work. executing program [ 45.215389][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 45.244101][ T21] hdpvr 1-1:0.26: Could not setup controls [ 45.250141][ T21] hdpvr 1-1:0.26: registering videodev failed [ 45.259427][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 45.266891][ T21] usb 1-1: USB disconnect, device number 6 [ 45.624048][ T21] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 45.864027][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 45.984149][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 45.992490][ T21] usb 1-1: config 0 has no interface number 0 [ 45.998795][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 46.008672][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 46.018144][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.027674][ T21] usb 1-1: config 0 descriptor?? [ 46.274140][ T21] hdpvr 1-1:0.26: firmware version 0xc1 dated °1ùñÆ¥AàäNBúE=øžeb¤ ë¹°²ŸÚÁê!åB°)RZê9Š [ 46.284363][ T21] hdpvr 1-1:0.26: untested firmware, the driver might not work. executing program [ 47.035329][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 47.064078][ T21] hdpvr 1-1:0.26: Could not setup controls [ 47.070271][ T21] hdpvr 1-1:0.26: registering videodev failed [ 47.079511][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 47.086888][ T21] usb 1-1: USB disconnect, device number 7 [ 47.444055][ T21] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 47.684071][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 47.804148][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 47.812533][ T21] usb 1-1: config 0 has no interface number 0 [ 47.818811][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 47.828727][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 47.837898][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 47.847309][ T21] usb 1-1: config 0 descriptor?? [ 48.104585][ T21] hdpvr 1-1:0.26: firmware version 0xc1 dated °1ùñÆ¥AàäNBúE=øžeb¤ ë¹°²ŸÚÁê!åB°)RZê9Š [ 48.114620][ T21] hdpvr 1-1:0.26: untested firmware, the driver might not work. executing program [ 48.855336][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 48.884121][ T21] hdpvr 1-1:0.26: Could not setup controls [ 48.890333][ T21] hdpvr 1-1:0.26: registering videodev failed [ 48.899889][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 48.907645][ T21] usb 1-1: USB disconnect, device number 8 [ 49.264047][ T21] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 49.504057][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 49.624136][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 49.632452][ T21] usb 1-1: config 0 has no interface number 0 [ 49.638991][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 49.648864][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 49.658072][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 49.666946][ T21] usb 1-1: config 0 descriptor?? [ 49.914170][ T21] hdpvr 1-1:0.26: firmware version 0xc1 dated °1ùñÆ¥AàäNBúE=øžeb¤ ë¹°²ŸÚÁê!åB°)RZê9Š [ 49.924623][ T21] hdpvr 1-1:0.26: untested firmware, the driver might not work. executing program [ 50.665351][ T21] ir-kbd-i2c 0-0071: IR for HDPVR is known to cause problems during recording, use enable_hdpvr modparam to enable [ 50.694065][ T21] hdpvr 1-1:0.26: Could not setup controls [ 50.700094][ T21] hdpvr 1-1:0.26: registering videodev failed [ 50.709094][ T21] hdpvr: probe of 1-1:0.26 failed with error -71 [ 50.716609][ T21] usb 1-1: USB disconnect, device number 9 [ 51.074010][ T21] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 51.314061][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 51.434131][ T21] usb 1-1: config 0 has an invalid interface number: 26 but max is 0 [ 51.442371][ T21] usb 1-1: config 0 has no interface number 0 [ 51.448672][ T21] usb 1-1: config 0 interface 26 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 51.458675][ T21] usb 1-1: New USB device found, idVendor=2040, idProduct=4902, bcdDevice=ff.51 [ 51.467944][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 51.477052][ T21] usb 1-1: config 0 descriptor?? [ 51.726090][ T21] ================================================================== [ 51.726094][ T21] BUG: KASAN: slab-out-of-bounds in string_nocheck+0x1d2/0x200 [ 51.726097][ T21] Read of size 1 at addr ffff8881d0d68520 by task kworker/1:1/21 [ 51.726098][ T21] [ 51.726101][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #15 [ 51.726105][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.726107][ T21] Workqueue: usb_hub_wq hub_event [ 51.726110][ T21] Call Trace: [ 51.726111][ T21] dump_stack+0xca/0x13e [ 51.726113][ T21] ? string_nocheck+0x1d2/0x200 [ 51.726115][ T21] ? string_nocheck+0x1d2/0x200 [ 51.726117][ T21] print_address_description+0x67/0x231 [ 51.726119][ T21] ? string_nocheck+0x1d2/0x200 [ 51.726121][ T21] ? string_nocheck+0x1d2/0x200 [ 51.726123][ T21] __kasan_report.cold+0x1a/0x32 [ 51.726141][ T21] ? string_nocheck+0x1d2/0x200 [ 51.726143][ T21] kasan_report+0xe/0x20 [ 51.726145][ T21] string_nocheck+0x1d2/0x200 [ 51.726147][ T21] ? widen_string+0x2a0/0x2a0 [ 51.726149][ T21] ? usb_new_device.cold+0x6a4/0xe61 [ 51.726150][ T21] ? hub_event+0x1abd/0x3550 [ 51.726153][ T21] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 51.726154][ T21] string+0xe5/0xf0 [ 51.726156][ T21] ? hex_string+0x4c0/0x4c0 [ 51.726158][ T21] vsnprintf+0x7d3/0x14f0 [ 51.726159][ T21] ? pointer+0x6b0/0x6b0 [ 51.726161][ T21] vscnprintf+0x29/0x80 [ 51.726163][ T21] vprintk_store+0x40/0x4b0 [ 51.726164][ T21] vprintk_emit+0xc8/0x3e0 [ 51.726166][ T21] vprintk_func+0x75/0x113 [ 51.726168][ T21] printk+0xba/0xed [ 51.726170][ T21] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 51.726172][ T21] ? refcount_inc_checked+0x1d/0x60 [ 51.726174][ T21] hdpvr_probe.cold+0x194/0x1247 [ 51.726176][ T21] usb_probe_interface+0x305/0x7a0 [ 51.726178][ T21] ? usb_probe_device+0x100/0x100 [ 51.726179][ T21] really_probe+0x281/0x660 [ 51.726181][ T21] driver_probe_device+0x104/0x210 [ 51.726183][ T21] __device_attach_driver+0x1c2/0x220 [ 51.726186][ T21] ? driver_allows_async_probing+0x160/0x160 [ 51.726188][ T21] bus_for_each_drv+0x15c/0x1e0 [ 51.726189][ T21] ? bus_rescan_devices+0x20/0x20 [ 51.726192][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 51.726195][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 51.726198][ T21] __device_attach+0x217/0x360 [ 51.726201][ T21] ? device_bind_driver+0xd0/0xd0 [ 51.726204][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 51.726207][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 51.726210][ T21] bus_probe_device+0x1e4/0x290 [ 51.726212][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 51.726214][ T21] device_add+0xae6/0x16f0 [ 51.726216][ T21] ? uevent_store+0x50/0x50 [ 51.726218][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 51.726220][ T21] usb_set_configuration+0xdf6/0x1670 [ 51.726222][ T21] generic_probe+0x9d/0xd5 [ 51.726224][ T21] usb_probe_device+0x99/0x100 [ 51.726226][ T21] ? usb_suspend+0x620/0x620 [ 51.726228][ T21] really_probe+0x281/0x660 [ 51.726230][ T21] driver_probe_device+0x104/0x210 [ 51.726232][ T21] __device_attach_driver+0x1c2/0x220 [ 51.726234][ T21] ? driver_allows_async_probing+0x160/0x160 [ 51.726236][ T21] bus_for_each_drv+0x15c/0x1e0 [ 51.726238][ T21] ? bus_rescan_devices+0x20/0x20 [ 51.726240][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 51.726242][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 51.726244][ T21] __device_attach+0x217/0x360 [ 51.726246][ T21] ? device_bind_driver+0xd0/0xd0 [ 51.726248][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 51.726250][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 51.726251][ T21] bus_probe_device+0x1e4/0x290 [ 51.726254][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 51.726255][ T21] device_add+0xae6/0x16f0 [ 51.726257][ T21] ? uevent_store+0x50/0x50 [ 51.726259][ T21] usb_new_device.cold+0x6a4/0xe61 [ 51.726261][ T21] hub_event+0x1abd/0x3550 [ 51.726263][ T21] ? hub_port_debounce+0x260/0x260 [ 51.726265][ T21] process_one_work+0x905/0x1570 [ 51.726267][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 51.726269][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 51.726271][ T21] worker_thread+0x7ab/0xe20 [ 51.726273][ T21] ? process_one_work+0x1570/0x1570 [ 51.726274][ T21] kthread+0x30b/0x410 [ 51.726276][ T21] ? kthread_park+0x1a0/0x1a0 [ 51.726278][ T21] ret_from_fork+0x24/0x30 [ 51.726279][ T21] [ 51.726281][ T21] Allocated by task 21: [ 51.726282][ T21] save_stack+0x1b/0x80 [ 51.726285][ T21] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 51.726286][ T21] hdpvr_probe+0x1ce/0xac0 [ 51.726288][ T21] usb_probe_interface+0x305/0x7a0 [ 51.726290][ T21] really_probe+0x281/0x660 [ 51.726292][ T21] driver_probe_device+0x104/0x210 [ 51.726294][ T21] __device_attach_driver+0x1c2/0x220 [ 51.726296][ T21] bus_for_each_drv+0x15c/0x1e0 [ 51.726298][ T21] __device_attach+0x217/0x360 [ 51.726347][ T21] bus_probe_device+0x1e4/0x290 [ 51.726352][ T21] device_add+0xae6/0x16f0 [ 51.726354][ T21] usb_set_configuration+0xdf6/0x1670 [ 51.726356][ T21] generic_probe+0x9d/0xd5 [ 51.726358][ T21] usb_probe_device+0x99/0x100 [ 51.726360][ T21] really_probe+0x281/0x660 [ 51.726362][ T21] driver_probe_device+0x104/0x210 [ 51.726364][ T21] __device_attach_driver+0x1c2/0x220 [ 51.726365][ T21] bus_for_each_drv+0x15c/0x1e0 [ 51.726367][ T21] __device_attach+0x217/0x360 [ 51.726369][ T21] bus_probe_device+0x1e4/0x290 [ 51.726371][ T21] device_add+0xae6/0x16f0 [ 51.726373][ T21] usb_new_device.cold+0x6a4/0xe61 [ 51.726374][ T21] hub_event+0x1abd/0x3550 [ 51.726376][ T21] process_one_work+0x905/0x1570 [ 51.726378][ T21] worker_thread+0x7ab/0xe20 [ 51.726380][ T21] kthread+0x30b/0x410 [ 51.726381][ T21] ret_from_fork+0x24/0x30 [ 51.726383][ T21] [ 51.726385][ T21] Freed by task 0: [ 51.726387][ T21] (stack is not available) [ 51.726388][ T21] [ 51.726391][ T21] The buggy address belongs to the object at ffff8881d0d684e0 [ 51.726393][ T21] which belongs to the cache kmalloc-64 of size 64 [ 51.726396][ T21] The buggy address is located 0 bytes to the right of [ 51.726398][ T21] 64-byte region [ffff8881d0d684e0, ffff8881d0d68520) [ 51.726406][ T21] The buggy address belongs to the page: [ 51.726410][ T21] page:ffffea0007435a00 refcount:1 mapcount:0 mapping:ffff8881dac03600 index:0x0 [ 51.726413][ T21] flags: 0x200000000000200(slab) [ 51.726417][ T21] raw: 0200000000000200 dead000000000100 dead000000000200 ffff8881dac03600 [ 51.726420][ T21] raw: 0000000000000000 00000000802a002a 00000001ffffffff 0000000000000000 [ 51.726422][ T21] page dumped because: kasan: bad access detected [ 51.726423][ T21] [ 51.726426][ T21] Memory state around the buggy address: [ 51.726429][ T21] ffff8881d0d68400: fc fc fc fc fb fb fb fb fb fb fb fb fc fc fc fc [ 51.726432][ T21] ffff8881d0d68480: fb fb fb fb fb fb fb fb fc fc fc fc 00 00 00 00 [ 51.726435][ T21] >ffff8881d0d68500: 00 00 00 00 fc fc fc fc fb fb fb fb fb fb fb fb [ 51.726437][ T21] ^ [ 51.726440][ T21] ffff8881d0d68580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 51.726443][ T21] ffff8881d0d68600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 51.726446][ T21] ================================================================== [ 51.726449][ T21] Disabling lock debugging due to kernel taint [ 51.726451][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 51.726455][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Tainted: G B 5.2.0-rc6+ #15 [ 51.726458][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.726460][ T21] Workqueue: usb_hub_wq hub_event [ 51.726463][ T21] Call Trace: [ 51.726465][ T21] dump_stack+0xca/0x13e [ 51.726466][ T21] panic+0x292/0x6c9 [ 51.726468][ T21] ? __warn_printk+0xf3/0xf3 [ 51.726470][ T21] ? lock_downgrade+0x630/0x630 [ 51.726472][ T21] ? print_shadow_for_address+0xb8/0x114 [ 51.726474][ T21] ? trace_hardirqs_off+0x50/0x1c0 [ 51.726476][ T21] ? string_nocheck+0x1d2/0x200 [ 51.726478][ T21] end_report+0x43/0x49 [ 51.726480][ T21] ? string_nocheck+0x1d2/0x200 [ 51.726481][ T21] __kasan_report.cold+0xd/0x32 [ 51.726483][ T21] ? string_nocheck+0x1d2/0x200 [ 51.726485][ T21] kasan_report+0xe/0x20 [ 51.726487][ T21] string_nocheck+0x1d2/0x200 [ 51.726489][ T21] ? widen_string+0x2a0/0x2a0 [ 51.726491][ T21] ? usb_new_device.cold+0x6a4/0xe61 [ 51.726492][ T21] ? hub_event+0x1abd/0x3550 [ 51.726495][ T21] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 51.726496][ T21] string+0xe5/0xf0 [ 51.726498][ T21] ? hex_string+0x4c0/0x4c0 [ 51.726500][ T21] vsnprintf+0x7d3/0x14f0 [ 51.726501][ T21] ? pointer+0x6b0/0x6b0 [ 51.726503][ T21] vscnprintf+0x29/0x80 [ 51.726505][ T21] vprintk_store+0x40/0x4b0 [ 51.726506][ T21] vprintk_emit+0xc8/0x3e0 [ 51.726508][ T21] vprintk_func+0x75/0x113 [ 51.726509][ T21] printk+0xba/0xed [ 51.726512][ T21] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 51.726530][ T21] ? refcount_inc_checked+0x1d/0x60 [ 51.726532][ T21] hdpvr_probe.cold+0x194/0x1247 [ 51.726534][ T21] usb_probe_interface+0x305/0x7a0 [ 51.726536][ T21] ? usb_probe_device+0x100/0x100 [ 51.726538][ T21] really_probe+0x281/0x660 [ 51.726540][ T21] driver_probe_device+0x104/0x210 [ 51.726542][ T21] __device_attach_driver+0x1c2/0x220 [ 51.726544][ T21] ? driver_allows_async_probing+0x160/0x160 [ 51.726546][ T21] bus_for_each_drv+0x15c/0x1e0 [ 51.726548][ T21] ? bus_rescan_devices+0x20/0x20 [ 51.726550][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 51.726552][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 51.726553][ T21] __device_attach+0x217/0x360 [ 51.726555][ T21] ? device_bind_driver+0xd0/0xd0 [ 51.726557][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 51.726559][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 51.726561][ T21] bus_probe_device+0x1e4/0x290 [ 51.726563][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 51.726565][ T21] device_add+0xae6/0x16f0 [ 51.726567][ T21] ? uevent_store+0x50/0x50 [ 51.726569][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 51.726571][ T21] usb_set_configuration+0xdf6/0x1670 [ 51.726573][ T21] generic_probe+0x9d/0xd5 [ 51.726575][ T21] usb_probe_device+0x99/0x100 [ 51.726577][ T21] ? usb_suspend+0x620/0x620 [ 51.726578][ T21] really_probe+0x281/0x660 [ 51.726580][ T21] driver_probe_device+0x104/0x210 [ 51.726582][ T21] __device_attach_driver+0x1c2/0x220 [ 51.726585][ T21] ? driver_allows_async_probing+0x160/0x160 [ 51.726586][ T21] bus_for_each_drv+0x15c/0x1e0 [ 51.726588][ T21] ? bus_rescan_devices+0x20/0x20 [ 51.726591][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 51.726593][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 51.726594][ T21] __device_attach+0x217/0x360 [ 51.726596][ T21] ? device_bind_driver+0xd0/0xd0 [ 51.726598][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 51.726600][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 51.726602][ T21] bus_probe_device+0x1e4/0x290 [ 51.726604][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 51.726606][ T21] device_add+0xae6/0x16f0 [ 51.726608][ T21] ? uevent_store+0x50/0x50 [ 51.726609][ T21] usb_new_device.cold+0x6a4/0xe61 [ 51.726611][ T21] hub_event+0x1abd/0x3550 [ 51.726613][ T21] ? hub_port_debounce+0x260/0x260 [ 51.726615][ T21] process_one_work+0x905/0x1570 [ 51.726617][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 51.726619][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 51.726621][ T21] worker_thread+0x7ab/0xe20 [ 51.726622][ T21] ? process_one_work+0x1570/0x1570 [ 51.726624][ T21] kthread+0x30b/0x410 [ 51.726626][ T21] ? kthread_park+0x1a0/0x1a0 [ 51.726628][ T21] ret_from_fork+0x24/0x30 [ 51.726630][ T21] Kernel Offset: disabled