[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 175.069863][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 175.309860][ T17] usb 1-1: Using ep0 maxpacket: 16 [ 175.429912][ T17] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 175.438115][ T17] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 175.446768][ T17] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 175.455158][ T17] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 175.464195][ T17] usb 1-1: config 0 has no interface number 0 [ 175.470454][ T17] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x4 has invalid wMaxPacketSize 0 [ 175.480436][ T17] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 175.490539][ T17] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 175.500615][ T17] usb 1-1: config 0 interface 125 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 175.511406][ T17] usb 1-1: too many endpoints for config 0 interface 125 altsetting 177: 247, using maximum allowed: 30 [ 175.522748][ T17] usb 1-1: config 0 interface 125 altsetting 177 has 0 endpoint descriptors, different from the interface descriptor's value: 247 [ 175.536334][ T17] usb 1-1: config 0 interface 125 has no altsetting 2 [ 175.699891][ T17] usb 1-1: New USB device found, idVendor=050d, idProduct=0002, bcdDevice=23.27 [ 175.708938][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 175.717010][ T17] usb 1-1: Product: syz [ 175.721184][ T17] usb 1-1: Manufacturer: syz [ 175.725770][ T17] usb 1-1: SerialNumber: syz [ 175.730905][ T17] usb 1-1: config 0 descriptor?? [ 175.770437][ T17] usb 1-1: selecting invalid altsetting 2 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 175.989838][ C1] usb 1-1: async_complete: urb error -71 [ 175.995479][ C1] usb 1-1: async_complete: urb error -71 [ 176.001081][ C1] usb 1-1: async_complete: urb error -71 [ 176.006683][ C1] usb 1-1: async_complete: urb error -71 [ 176.012445][ T17] get_1284_register: usb error -71 [ 176.018673][ T17] parport0: fix this legacy no-device port driver! [ 176.030041][ T17] usb 1-1: USB disconnect, device number 2 executing program [ 182.249678][ T4594] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 182.519634][ T4594] usb 1-1: Using ep0 maxpacket: 16 [ 182.639689][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 182.647879][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 182.656034][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 182.664199][ T4594] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 182.673042][ T4594] usb 1-1: config 0 has no interface number 0 [ 182.679107][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x4 has invalid wMaxPacketSize 0 [ 182.688902][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 182.698712][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 182.708539][ T4594] usb 1-1: config 0 interface 125 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 182.719139][ T4594] usb 1-1: too many endpoints for config 0 interface 125 altsetting 177: 247, using maximum allowed: 30 [ 182.730257][ T4594] usb 1-1: config 0 interface 125 altsetting 177 has 0 endpoint descriptors, different from the interface descriptor's value: 247 [ 182.743620][ T4594] usb 1-1: config 0 interface 125 has no altsetting 2 [ 182.909660][ T4594] usb 1-1: New USB device found, idVendor=050d, idProduct=0002, bcdDevice=23.27 [ 182.918731][ T4594] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 182.926780][ T4594] usb 1-1: Product: syz [ 182.930948][ T4594] usb 1-1: Manufacturer: syz [ 182.935529][ T4594] usb 1-1: SerialNumber: syz [ 182.941717][ T4594] usb 1-1: config 0 descriptor?? [ 182.980123][ T4594] usb 1-1: selecting invalid altsetting 2 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 183.199611][ C0] usb 1-1: async_complete: urb error -71 [ 183.205249][ C0] usb 1-1: async_complete: urb error -71 [ 183.210850][ C0] usb 1-1: async_complete: urb error -71 [ 183.216450][ C0] usb 1-1: async_complete: urb error -71 [ 183.222123][ T4594] get_1284_register: usb error -71 [ 183.227220][ T4594] parport1: fix this legacy no-device port driver! [ 183.234486][ T4594] usb 1-1: USB disconnect, device number 3 executing program [ 189.459430][ T17] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 189.719414][ T17] usb 1-1: Using ep0 maxpacket: 16 [ 189.839481][ T17] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 189.847844][ T17] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 189.856463][ T17] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 189.864847][ T17] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 189.873900][ T17] usb 1-1: config 0 has no interface number 0 [ 189.880143][ T17] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x4 has invalid wMaxPacketSize 0 [ 189.890185][ T17] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 189.900191][ T17] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 189.910232][ T17] usb 1-1: config 0 interface 125 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 189.921029][ T17] usb 1-1: too many endpoints for config 0 interface 125 altsetting 177: 247, using maximum allowed: 30 [ 189.932336][ T17] usb 1-1: config 0 interface 125 altsetting 177 has 0 endpoint descriptors, different from the interface descriptor's value: 247 [ 189.945888][ T17] usb 1-1: config 0 interface 125 has no altsetting 2 [ 190.109473][ T17] usb 1-1: New USB device found, idVendor=050d, idProduct=0002, bcdDevice=23.27 [ 190.118598][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 190.126985][ T17] usb 1-1: Product: syz [ 190.131316][ T17] usb 1-1: Manufacturer: syz [ 190.135881][ T17] usb 1-1: SerialNumber: syz [ 190.141251][ T17] usb 1-1: config 0 descriptor?? [ 190.180818][ T17] usb 1-1: selecting invalid altsetting 2 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 190.399398][ C1] usb 1-1: async_complete: urb error -71 [ 190.405034][ C1] usb 1-1: async_complete: urb error -71 [ 190.410635][ C1] usb 1-1: async_complete: urb error -71 [ 190.416245][ C1] usb 1-1: async_complete: urb error -71 [ 190.421893][ T17] get_1284_register: usb error -71 [ 190.426996][ T17] parport2: fix this legacy no-device port driver! [ 190.437974][ T17] usb 1-1: USB disconnect, device number 4 executing program [ 196.639223][ T4594] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 196.879221][ T4594] usb 1-1: Using ep0 maxpacket: 16 [ 197.019273][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 197.027424][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 197.035728][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 197.043954][ T4594] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 197.052831][ T4594] usb 1-1: config 0 has no interface number 0 [ 197.059003][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x4 has invalid wMaxPacketSize 0 [ 197.068848][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 197.078682][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 197.088569][ T4594] usb 1-1: config 0 interface 125 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 197.099194][ T4594] usb 1-1: too many endpoints for config 0 interface 125 altsetting 177: 247, using maximum allowed: 30 [ 197.110333][ T4594] usb 1-1: config 0 interface 125 altsetting 177 has 0 endpoint descriptors, different from the interface descriptor's value: 247 [ 197.123766][ T4594] usb 1-1: config 0 interface 125 has no altsetting 2 [ 197.299279][ T4594] usb 1-1: New USB device found, idVendor=050d, idProduct=0002, bcdDevice=23.27 [ 197.308288][ T4594] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 197.316332][ T4594] usb 1-1: Product: syz [ 197.320487][ T4594] usb 1-1: Manufacturer: syz [ 197.325051][ T4594] usb 1-1: SerialNumber: syz [ 197.331186][ T4594] usb 1-1: config 0 descriptor?? [ 197.369783][ T4594] usb 1-1: selecting invalid altsetting 2 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 197.579192][ C0] usb 1-1: async_complete: urb error -71 [ 197.584872][ C0] usb 1-1: async_complete: urb error -71 [ 197.590513][ C0] usb 1-1: async_complete: urb error -71 [ 197.596132][ C0] usb 1-1: async_complete: urb error -71 [ 197.601773][ T4594] get_1284_register: usb error -71 [ 197.606883][ T4594] parport3: fix this legacy no-device port driver! [ 197.614041][ T4594] usb 1-1: USB disconnect, device number 5 executing program [ 203.819027][ T4594] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 204.099021][ T4594] usb 1-1: Using ep0 maxpacket: 16 [ 204.279117][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 204.287296][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 204.295609][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 204.303824][ T4594] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 204.312747][ T4594] usb 1-1: config 0 has no interface number 0 [ 204.318802][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x4 has invalid wMaxPacketSize 0 [ 204.328639][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 204.338483][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 204.348386][ T4594] usb 1-1: config 0 interface 125 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 204.359020][ T4594] usb 1-1: too many endpoints for config 0 interface 125 altsetting 177: 247, using maximum allowed: 30 [ 204.370157][ T4594] usb 1-1: config 0 interface 125 altsetting 177 has 0 endpoint descriptors, different from the interface descriptor's value: 247 [ 204.383562][ T4594] usb 1-1: config 0 interface 125 has no altsetting 2 [ 204.549061][ T4594] usb 1-1: New USB device found, idVendor=050d, idProduct=0002, bcdDevice=23.27 [ 204.558069][ T4594] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 204.566188][ T4594] usb 1-1: Product: syz [ 204.570378][ T4594] usb 1-1: Manufacturer: syz [ 204.574944][ T4594] usb 1-1: SerialNumber: syz [ 204.580137][ T4594] usb 1-1: config 0 descriptor?? [ 204.640563][ T4594] usb 1-1: selecting invalid altsetting 2 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 204.848992][ C0] usb 1-1: async_complete: urb error -71 [ 204.854638][ C0] usb 1-1: async_complete: urb error -71 [ 204.860254][ C0] usb 1-1: async_complete: urb error -71 [ 204.865873][ C0] usb 1-1: async_complete: urb error -71 [ 204.871532][ T4594] get_1284_register: usb error -71 [ 204.876625][ T4594] parport4: fix this legacy no-device port driver! [ 204.888460][ T4594] usb 1-1: USB disconnect, device number 6 executing program [ 211.097925][ T4594] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 211.337972][ T4594] usb 1-1: Using ep0 maxpacket: 16 [ 211.457898][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 211.466186][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 211.474885][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 211.483249][ T4594] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 211.492412][ T4594] usb 1-1: config 0 has no interface number 0 [ 211.498683][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x4 has invalid wMaxPacketSize 0 [ 211.508694][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 211.518809][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 211.528858][ T4594] usb 1-1: config 0 interface 125 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 211.539629][ T4594] usb 1-1: too many endpoints for config 0 interface 125 altsetting 177: 247, using maximum allowed: 30 [ 211.550958][ T4594] usb 1-1: config 0 interface 125 altsetting 177 has 0 endpoint descriptors, different from the interface descriptor's value: 247 [ 211.564532][ T4594] usb 1-1: config 0 interface 125 has no altsetting 2 [ 211.727876][ T4594] usb 1-1: New USB device found, idVendor=050d, idProduct=0002, bcdDevice=23.27 [ 211.736905][ T4594] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 211.744962][ T4594] usb 1-1: Product: syz [ 211.749132][ T4594] usb 1-1: Manufacturer: syz [ 211.753719][ T4594] usb 1-1: SerialNumber: syz [ 211.759834][ T4594] usb 1-1: config 0 descriptor?? [ 211.798359][ T4594] usb 1-1: selecting invalid altsetting 2 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 212.017769][ C0] usb 1-1: async_complete: urb error -71 [ 212.023419][ C0] usb 1-1: async_complete: urb error -71 [ 212.029024][ C0] usb 1-1: async_complete: urb error -71 [ 212.034662][ C0] usb 1-1: async_complete: urb error -71 [ 212.040289][ T4594] get_1284_register: usb error -71 [ 212.045557][ T4594] parport5: fix this legacy no-device port driver! [ 212.052778][ T4594] usb 1-1: USB disconnect, device number 7 executing program [ 218.246777][ T4594] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 218.496732][ T4594] usb 1-1: Using ep0 maxpacket: 16 [ 218.616767][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 218.624910][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 218.633510][ T4594] usb 1-1: config 0 has an invalid interface number: 125 but max is 1 [ 218.641860][ T4594] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 218.650942][ T4594] usb 1-1: config 0 has no interface number 0 [ 218.657210][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x4 has invalid wMaxPacketSize 0 [ 218.667258][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 218.677259][ T4594] usb 1-1: config 0 interface 125 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 218.687266][ T4594] usb 1-1: config 0 interface 125 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 218.698026][ T4594] usb 1-1: too many endpoints for config 0 interface 125 altsetting 177: 247, using maximum allowed: 30 [ 218.709319][ T4594] usb 1-1: config 0 interface 125 altsetting 177 has 0 endpoint descriptors, different from the interface descriptor's value: 247 [ 218.722874][ T4594] usb 1-1: config 0 interface 125 has no altsetting 2 [ 218.886692][ T4594] usb 1-1: New USB device found, idVendor=050d, idProduct=0002, bcdDevice=23.27 [ 218.895865][ T4594] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 218.904235][ T4594] usb 1-1: Product: syz [ 218.908549][ T4594] usb 1-1: Manufacturer: syz [ 218.913110][ T4594] usb 1-1: SerialNumber: syz [ 218.918425][ T4594] usb 1-1: config 0 descriptor?? [ 218.958075][ T4594] usb 1-1: selecting invalid altsetting 2 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 219.176626][ C0] usb 1-1: async_complete: urb error -71 [ 219.182274][ C0] usb 1-1: async_complete: urb error -71 [ 219.187905][ C0] usb 1-1: async_complete: urb error -71 [ 219.193526][ C0] usb 1-1: async_complete: urb error -71 [ 219.199167][ T4594] get_1284_register: usb error -71 [ 219.204265][ T4594] parport6: fix this legacy no-device port driver! [ 219.216351][ T4594] usb 1-1: USB disconnect, device number 8 [ 225.015007][ T8463] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888108446800 (size 2048): comm "kworker/0:2", pid 4594, jiffies 4294958367 (age 16.150s) hex dump (first 32 bytes): ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1........... 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................ backtrace: [<00000000ccb5bde6>] usb_alloc_dev+0x32/0x450 [<0000000086bf5a88>] hub_event+0x118d/0x20d0 [<00000000318099b1>] process_one_work+0x27d/0x590 [<0000000086f8163a>] worker_thread+0x59/0x5d0 [<000000003e227590>] kthread+0x178/0x1b0 [<00000000ccef97f6>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810c3c47c0 (size 32): comm "kworker/0:2", pid 4594, jiffies 4294958367 (age 16.150s) hex dump (first 32 bytes): 31 2d 31 00 00 00 00 00 00 00 00 00 00 00 00 00 1-1............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000004e1558ba>] kvasprintf+0x6c/0xf0 [<000000001b2edd70>] kvasprintf_const+0x58/0x110 [<000000007c79a75e>] kobject_set_name_vargs+0x3b/0xe0 [<000000000f843da3>] dev_set_name+0x63/0x90 [<00000000cb6a2940>] usb_alloc_dev+0x1ee/0x450 [<0000000086bf5a88>] hub_event+0x118d/0x20d0 [<00000000318099b1>] process_one_work+0x27d/0x590 [<0000000086f8163a>] worker_thread+0x59/0x5d0 [<000000003e227590>] kthread+0x178/0x1b0 [<00000000ccef97f6>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810d552400 (size 1024): comm "kworker/0:2", pid 4594, jiffies 4294958412 (age 15.700s) hex dump (first 32 bytes): 09 02 48 00 01 00 00 00 00 00 00 00 00 00 00 00 ..H............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000fd33e5e1>] usb_get_configuration+0x9c/0x1dd0 [<000000003dd6cdf2>] usb_new_device+0x1a9/0x2e0 [<000000001180b65e>] hub_event+0x144a/0x20d0 [<00000000318099b1>] process_one_work+0x27d/0x590 [<0000000086f8163a>] worker_thread+0x59/0x5d0 [<000000003e227590>] kthread+0x178/0x1b0 [<00000000ccef97f6>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810c3c4020 (size 32): comm "kworker/0:2", pid 4594, jiffies 4294958412 (age 15.700s) hex dump (first 32 bytes): 00 32 94 10 81 88 ff ff 00 00 00 00 00 00 00 00 .2.............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000f6c2ada4>] usb_get_configuration+0xce/0x1dd0 [<000000003dd6cdf2>] usb_new_device+0x1a9/0x2e0 [<000000001180b65e>] hub_event+0x144a/0x20d0 [<00000000318099b1>] process_one_work+0x27d/0x590 [<0000000086f8163a>] worker_thread+0x59/0x5d0 [<000000003e227590>] kthread+0x178/0x1b0 [<00000000ccef97f6>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810c3c4860 (size 32): comm "kworker/0:2", pid 4594, jiffies 4294958439 (age 15.430s) hex dump (first 32 bytes): 73 79 7a 00 00 00 00 00 00 00 00 00 00 00 00 00 syz............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000bbdb3d5c>] usb_cache_string+0x8a/0xf0 [<000000004f541603>] usb_new_device+0x98/0x2e0 [<000000001180b65e>] hub_event+0x144a/0x20d0 [<00000000318099b1>] process_one_work+0x27d/0x590 [<0000000086f8163a>] worker_thread+0x59/0x5d0 [<000000003e227590>] kthread+0x178/0x1b0 [<00000000ccef97f6>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810f819d00 (size 256): comm "kworker/0:2", pid 4594, jiffies 4294958450 (age 15.320s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 9d 81 0f 81 88 ff ff ................ 08 9d 81 0f 81 88 ff ff a0 b8 58 82 ff ff ff ff ..........X..... backtrace: [<000000006f201537>] device_add+0x7e8/0xc30 [<000000008b670ac2>] usb_new_device.cold+0x166/0x578 [<000000001180b65e>] hub_event+0x144a/0x20d0 [<00000000318099b1>] process_one_work+0x27d/0x590 [<0000000086f8163a>] worker_thread+0x59/0x5d0 [<000000003e227590>] kthread+0x178/0x1b0 [<00000000ccef97f6>] ret_from_fork+0x1f/0x30 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory