[ 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 '10.128.0.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 109.345231][ T3644] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 109.585186][ T3644] usb 1-1: Using ep0 maxpacket: 8 [ 109.875252][ T3644] usb 1-1: New USB device found, idVendor=174f, idProduct=6a31, bcdDevice=ca.e2 [ 109.884316][ T3644] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 109.892428][ T3644] usb 1-1: Product: syz [ 109.896642][ T3644] usb 1-1: Manufacturer: syz [ 109.901819][ T3644] usb 1-1: SerialNumber: syz [ 109.907029][ T3644] usb 1-1: config 0 descriptor?? [ 109.957088][ T3644] gspca_main: stk1135-2.14.0 probing 174f:6a31 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 [ 110.185152][ T3644] gspca_stk1135: reg_w 0x2 err -71 [ 110.191319][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 110.197882][ T3644] gspca_stk1135: Sensor write failed [ 110.203177][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 110.209670][ T3644] gspca_stk1135: Sensor write failed [ 110.214957][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 110.221465][ T3644] gspca_stk1135: Sensor read failed [ 110.226823][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 110.233129][ T3644] gspca_stk1135: Sensor read failed [ 110.238586][ T3644] gspca_stk1135: Detected sensor type unknown (0x0) [ 110.246037][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 110.252344][ T3644] gspca_stk1135: Sensor read failed [ 110.257713][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 110.264022][ T3644] gspca_stk1135: Sensor read failed [ 110.269404][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 110.275876][ T3644] gspca_stk1135: Sensor write failed [ 110.281166][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 110.287658][ T3644] gspca_stk1135: Sensor write failed [ 110.292985][ T3644] stk1135: probe of 1-1:0.0 failed with error -71 [ 110.300129][ T3644] usb 1-1: USB disconnect, device number 2 executing program [ 115.794677][ T3741] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 116.074602][ T3741] usb 1-1: Using ep0 maxpacket: 8 [ 116.354681][ T3741] usb 1-1: New USB device found, idVendor=174f, idProduct=6a31, bcdDevice=ca.e2 [ 116.363969][ T3741] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 116.373104][ T3741] usb 1-1: Product: syz [ 116.378461][ T3741] usb 1-1: Manufacturer: syz [ 116.383054][ T3741] usb 1-1: SerialNumber: syz [ 116.388949][ T3741] usb 1-1: config 0 descriptor?? [ 116.426506][ T3741] gspca_main: stk1135-2.14.0 probing 174f:6a31 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 [ 116.644595][ T3741] gspca_stk1135: reg_w 0x2 err -71 [ 116.650937][ T3741] gspca_stk1135: serial bus timeout: status=0x00 [ 116.658757][ T3741] gspca_stk1135: Sensor write failed [ 116.664327][ T3741] gspca_stk1135: serial bus timeout: status=0x00 [ 116.671709][ T3741] gspca_stk1135: Sensor write failed [ 116.677915][ T3741] gspca_stk1135: serial bus timeout: status=0x00 [ 116.684365][ T3741] gspca_stk1135: Sensor read failed [ 116.690329][ T3741] gspca_stk1135: serial bus timeout: status=0x00 [ 116.697220][ T3741] gspca_stk1135: Sensor read failed [ 116.702416][ T3741] gspca_stk1135: Detected sensor type unknown (0x0) [ 116.709537][ T3741] gspca_stk1135: serial bus timeout: status=0x00 [ 116.716348][ T3741] gspca_stk1135: Sensor read failed [ 116.721563][ T3741] gspca_stk1135: serial bus timeout: status=0x00 [ 116.728293][ T3741] gspca_stk1135: Sensor read failed [ 116.733517][ T3741] gspca_stk1135: serial bus timeout: status=0x00 [ 116.740208][ T3741] gspca_stk1135: Sensor write failed [ 116.745881][ T3741] gspca_stk1135: serial bus timeout: status=0x00 [ 116.752291][ T3741] gspca_stk1135: Sensor write failed [ 116.758017][ T3741] stk1135: probe of 1-1:0.0 failed with error -71 [ 116.765727][ T3741] usb 1-1: USB disconnect, device number 3 executing program [ 122.234127][ T3644] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 122.474106][ T3644] usb 1-1: Using ep0 maxpacket: 8 [ 122.754154][ T3644] usb 1-1: New USB device found, idVendor=174f, idProduct=6a31, bcdDevice=ca.e2 [ 122.763183][ T3644] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 122.771344][ T3644] usb 1-1: Product: syz [ 122.775574][ T3644] usb 1-1: Manufacturer: syz [ 122.780141][ T3644] usb 1-1: SerialNumber: syz [ 122.785342][ T3644] usb 1-1: config 0 descriptor?? [ 122.824836][ T3644] gspca_main: stk1135-2.14.0 probing 174f:6a31 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 [ 123.044107][ T3644] gspca_stk1135: reg_w 0x2 err -71 [ 123.050252][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 123.057119][ T3644] gspca_stk1135: Sensor write failed [ 123.062413][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 123.069464][ T3644] gspca_stk1135: Sensor write failed [ 123.075199][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 123.081520][ T3644] gspca_stk1135: Sensor read failed [ 123.087281][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 123.093618][ T3644] gspca_stk1135: Sensor read failed [ 123.099418][ T3644] gspca_stk1135: Detected sensor type unknown (0x0) [ 123.106490][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 123.112810][ T3644] gspca_stk1135: Sensor read failed [ 123.118593][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 123.125310][ T3644] gspca_stk1135: Sensor read failed [ 123.130529][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 123.137396][ T3644] gspca_stk1135: Sensor write failed [ 123.142700][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 123.149971][ T3644] gspca_stk1135: Sensor write failed [ 123.155940][ T3644] stk1135: probe of 1-1:0.0 failed with error -71 [ 123.163388][ T3644] usb 1-1: USB disconnect, device number 4 executing program [ 128.623686][ T3644] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 128.863675][ T3644] usb 1-1: Using ep0 maxpacket: 8 [ 129.143698][ T3644] usb 1-1: New USB device found, idVendor=174f, idProduct=6a31, bcdDevice=ca.e2 [ 129.152851][ T3644] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 129.161212][ T3644] usb 1-1: Product: syz [ 129.165636][ T3644] usb 1-1: Manufacturer: syz [ 129.170207][ T3644] usb 1-1: SerialNumber: syz [ 129.176716][ T3644] usb 1-1: config 0 descriptor?? [ 129.215387][ T3644] gspca_main: stk1135-2.14.0 probing 174f:6a31 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 [ 129.433661][ T3644] gspca_stk1135: reg_w 0x2 err -71 [ 129.439808][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 129.446683][ T3644] gspca_stk1135: Sensor write failed [ 129.451976][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 129.458865][ T3644] gspca_stk1135: Sensor write failed [ 129.464546][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 129.470867][ T3644] gspca_stk1135: Sensor read failed [ 129.476672][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 129.482992][ T3644] gspca_stk1135: Sensor read failed [ 129.488751][ T3644] gspca_stk1135: Detected sensor type unknown (0x0) [ 129.495745][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 129.502064][ T3644] gspca_stk1135: Sensor read failed [ 129.507782][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 129.514534][ T3644] gspca_stk1135: Sensor read failed [ 129.519743][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 129.526651][ T3644] gspca_stk1135: Sensor write failed [ 129.531950][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 129.539189][ T3644] gspca_stk1135: Sensor write failed [ 129.545083][ T3644] stk1135: probe of 1-1:0.0 failed with error -71 [ 129.551918][ T3644] usb 1-1: USB disconnect, device number 5 executing program [ 134.983309][ T3644] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 135.223315][ T3644] usb 1-1: Using ep0 maxpacket: 8 [ 135.503363][ T3644] usb 1-1: New USB device found, idVendor=174f, idProduct=6a31, bcdDevice=ca.e2 [ 135.512386][ T3644] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 135.520528][ T3644] usb 1-1: Product: syz [ 135.524750][ T3644] usb 1-1: Manufacturer: syz [ 135.529315][ T3644] usb 1-1: SerialNumber: syz [ 135.534508][ T3644] usb 1-1: config 0 descriptor?? [ 135.574022][ T3644] gspca_main: stk1135-2.14.0 probing 174f:6a31 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 [ 135.793284][ T3644] gspca_stk1135: reg_w 0x2 err -71 [ 135.799419][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 135.806127][ T3644] gspca_stk1135: Sensor write failed [ 135.811418][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 135.818056][ T3644] gspca_stk1135: Sensor write failed [ 135.823595][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 135.829909][ T3644] gspca_stk1135: Sensor read failed [ 135.835746][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 135.842062][ T3644] gspca_stk1135: Sensor read failed [ 135.847606][ T3644] gspca_stk1135: Detected sensor type unknown (0x0) [ 135.854464][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 135.860776][ T3644] gspca_stk1135: Sensor read failed [ 135.866348][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 135.872659][ T3644] gspca_stk1135: Sensor read failed [ 135.878280][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 135.884877][ T3644] gspca_stk1135: Sensor write failed [ 135.890175][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 135.897645][ T3644] gspca_stk1135: Sensor write failed [ 135.902989][ T3644] stk1135: probe of 1-1:0.0 failed with error -71 [ 135.910552][ T3644] usb 1-1: USB disconnect, device number 6 executing program [ 141.402956][ T3644] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 141.692954][ T3644] usb 1-1: Using ep0 maxpacket: 8 [ 141.972982][ T3644] usb 1-1: New USB device found, idVendor=174f, idProduct=6a31, bcdDevice=ca.e2 [ 141.982043][ T3644] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 141.990436][ T3644] usb 1-1: Product: syz [ 141.994765][ T3644] usb 1-1: Manufacturer: syz [ 141.999345][ T3644] usb 1-1: SerialNumber: syz [ 142.005635][ T3644] usb 1-1: config 0 descriptor?? [ 142.044660][ T3644] gspca_main: stk1135-2.14.0 probing 174f:6a31 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 [ 142.262990][ T3644] gspca_stk1135: reg_w 0x2 err -71 [ 142.269137][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 142.275990][ T3644] gspca_stk1135: Sensor write failed [ 142.281284][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 142.288187][ T3644] gspca_stk1135: Sensor write failed [ 142.293861][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 142.300177][ T3644] gspca_stk1135: Sensor read failed [ 142.306103][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 142.312418][ T3644] gspca_stk1135: Sensor read failed [ 142.318120][ T3644] gspca_stk1135: Detected sensor type unknown (0x0) [ 142.325107][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 142.331421][ T3644] gspca_stk1135: Sensor read failed [ 142.337113][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 142.343803][ T3644] gspca_stk1135: Sensor read failed [ 142.349010][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 142.355856][ T3644] gspca_stk1135: Sensor write failed [ 142.361152][ T3644] gspca_stk1135: serial bus timeout: status=0x00 [ 142.368504][ T3644] gspca_stk1135: Sensor write failed [ 142.374400][ T3644] stk1135: probe of 1-1:0.0 failed with error -71 [ 142.381802][ T3644] usb 1-1: USB disconnect, device number 7 [ 147.452359][ T8468] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810fcd1c00 (size 1024): comm "kworker/0:2", pid 3644, jiffies 4294950190 (age 20.510s) hex dump (first 32 bytes): 88 e7 9d 12 81 88 ff ff 88 e7 9d 12 81 88 ff ff ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000003b655c4a>] usb_set_configuration+0x18c/0xb90 [<000000000b438ff1>] usb_generic_driver_probe+0x8c/0xc0 [<0000000097f36d62>] usb_probe_device+0x5c/0x140 [<0000000011253ec1>] really_probe+0x159/0x480 [<00000000e39a1938>] driver_probe_device+0x84/0x100 [<00000000e0f7d565>] __device_attach_driver+0xee/0x110 [<0000000018abfcd8>] bus_for_each_drv+0xb7/0x100 [<00000000a76ec38f>] __device_attach+0x122/0x250 [<00000000b76b9a6b>] bus_probe_device+0xc6/0xe0 [<0000000004ec8fb1>] device_add+0x5ac/0xc30 [<000000008694dab8>] usb_new_device.cold+0x166/0x578 [<000000007b059bf5>] hub_event+0x144a/0x20d0 [<000000009295f981>] process_one_work+0x27d/0x590 [<000000002144c5ff>] worker_thread+0x59/0x5d0 [<000000009463de8c>] kthread+0x178/0x1b0 [<00000000a140dd70>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810a17b500 (size 256): comm "kworker/0:2", pid 3644, jiffies 4294950194 (age 20.470s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 b5 17 0a 81 88 ff ff ................ 08 b5 17 0a 81 88 ff ff 70 94 58 82 ff ff ff ff ........p.X..... backtrace: [<00000000de6f3367>] device_add+0x7e8/0xc30 [<0000000082cdc0c3>] usb_set_configuration+0x9de/0xb90 [<000000000b438ff1>] usb_generic_driver_probe+0x8c/0xc0 [<0000000097f36d62>] usb_probe_device+0x5c/0x140 [<0000000011253ec1>] really_probe+0x159/0x480 [<00000000e39a1938>] driver_probe_device+0x84/0x100 [<00000000e0f7d565>] __device_attach_driver+0xee/0x110 [<0000000018abfcd8>] bus_for_each_drv+0xb7/0x100 [<00000000a76ec38f>] __device_attach+0x122/0x250 [<00000000b76b9a6b>] bus_probe_device+0xc6/0xe0 [<0000000004ec8fb1>] device_add+0x5ac/0xc30 [<000000008694dab8>] usb_new_device.cold+0x166/0x578 [<000000007b059bf5>] hub_event+0x144a/0x20d0 [<000000009295f981>] process_one_work+0x27d/0x590 [<000000002144c5ff>] worker_thread+0x59/0x5d0 [<000000009463de8c>] kthread+0x178/0x1b0 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