[ 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 syzkaller login: [ 34.663632][ T8227] sshd (8227) used greatest stack depth: 11520 bytes left Warning: Permanently added '10.128.1.46' (ECDSA) to the list of known hosts. executing program [ 84.960645][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 85.210665][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 85.340734][ T7] usb 1-1: New USB device found, idVendor=041e, idProduct=4012, bcdDevice=a9.1b [ 85.350239][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 85.359151][ T7] usb 1-1: config 0 descriptor?? [ 85.401482][ T7] gspca_main: sunplus-2.14.0 probing 041e:4012 [ 85.630658][ T7] gspca_sunplus: reg_w_riv err -71 [ 85.635826][ T7] sunplus: probe of 1-1:0.0 failed with error -71 [ 85.643353][ T7] usb 1-1: USB disconnect, device number 2 executing program [ 91.910702][ T3845] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 92.150666][ T3845] usb 1-1: Using ep0 maxpacket: 8 [ 92.270685][ T3845] usb 1-1: New USB device found, idVendor=041e, idProduct=4012, bcdDevice=a9.1b [ 92.279768][ T3845] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 92.289715][ T3845] usb 1-1: config 0 descriptor?? [ 92.332588][ T3845] gspca_main: sunplus-2.14.0 probing 041e:4012 [ 92.550673][ T3845] gspca_sunplus: reg_w_riv err -71 [ 92.556064][ T3845] sunplus: probe of 1-1:0.0 failed with error -71 [ 92.563476][ T3845] usb 1-1: USB disconnect, device number 3 executing program [ 98.880635][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 99.150654][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 99.320688][ T7] usb 1-1: New USB device found, idVendor=041e, idProduct=4012, bcdDevice=a9.1b [ 99.329758][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.339773][ T7] usb 1-1: config 0 descriptor?? [ 99.391401][ T7] gspca_main: sunplus-2.14.0 probing 041e:4012 [ 99.600620][ T7] gspca_sunplus: reg_w_riv err -71 [ 99.605789][ T7] sunplus: probe of 1-1:0.0 failed with error -71 [ 99.615027][ T7] usb 1-1: USB disconnect, device number 4 executing program [ 105.880668][ T7] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 106.140641][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 106.280703][ T7] usb 1-1: New USB device found, idVendor=041e, idProduct=4012, bcdDevice=a9.1b [ 106.289788][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 106.299701][ T7] usb 1-1: config 0 descriptor?? [ 106.341533][ T7] gspca_main: sunplus-2.14.0 probing 041e:4012 [ 106.570648][ T7] gspca_sunplus: reg_w_riv err -71 [ 106.575870][ T7] sunplus: probe of 1-1:0.0 failed with error -71 [ 106.583989][ T7] usb 1-1: USB disconnect, device number 5 executing program [ 112.910686][ T7] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 113.150679][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 113.290796][ T7] usb 1-1: New USB device found, idVendor=041e, idProduct=4012, bcdDevice=a9.1b [ 113.301567][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 113.312217][ T7] usb 1-1: config 0 descriptor?? [ 113.362724][ T7] gspca_main: sunplus-2.14.0 probing 041e:4012 [ 113.580758][ T7] gspca_sunplus: reg_w_riv err -71 [ 113.587058][ T7] sunplus: probe of 1-1:0.0 failed with error -71 [ 113.596579][ T7] usb 1-1: USB disconnect, device number 6 executing program [ 119.890658][ T7] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 120.160643][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 120.320743][ T7] usb 1-1: New USB device found, idVendor=041e, idProduct=4012, bcdDevice=a9.1b [ 120.329945][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 120.339816][ T7] usb 1-1: config 0 descriptor?? [ 120.391392][ T7] gspca_main: sunplus-2.14.0 probing 041e:4012 [ 120.610634][ T7] gspca_sunplus: reg_w_riv err -71 [ 120.615801][ T7] sunplus: probe of 1-1:0.0 failed with error -71 [ 120.623310][ T7] usb 1-1: USB disconnect, device number 7 executing program [ 126.930714][ T7] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 127.200689][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 127.330716][ T7] usb 1-1: New USB device found, idVendor=041e, idProduct=4012, bcdDevice=a9.1b [ 127.340003][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 127.348818][ T7] usb 1-1: config 0 descriptor?? [ 127.391393][ T7] gspca_main: sunplus-2.14.0 probing 041e:4012 [ 127.610645][ T7] gspca_sunplus: reg_w_riv err -71 [ 127.615825][ T7] sunplus: probe of 1-1:0.0 failed with error -71 [ 127.623324][ T7] usb 1-1: USB disconnect, device number 8 executing program [ 133.880644][ T7] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 134.140641][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 134.280728][ T7] usb 1-1: New USB device found, idVendor=041e, idProduct=4012, bcdDevice=a9.1b [ 134.289798][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 134.299787][ T7] usb 1-1: config 0 descriptor?? [ 134.341410][ T7] gspca_main: sunplus-2.14.0 probing 041e:4012 [ 134.570676][ T7] gspca_sunplus: reg_w_riv err -71 [ 134.575836][ T7] sunplus: probe of 1-1:0.0 failed with error -71 [ 134.583336][ T7] usb 1-1: USB disconnect, device number 9 [ 135.513741][ T8460] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810ee9e400 (size 1024): comm "kworker/0:1", pid 7, jiffies 4294945800 (age 57.280s) hex dump (first 32 bytes): 48 db 9d 0d 81 88 ff ff 48 db 9d 0d 81 88 ff ff H.......H....... 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000f91fe7ba>] usb_set_configuration+0x18c/0xb90 [<00000000b4e901f7>] usb_generic_driver_probe+0x8c/0xc0 [<00000000f4a84f7b>] usb_probe_device+0x5c/0x140 [<000000009e93bf88>] really_probe+0x159/0x480 [<00000000acb922cc>] driver_probe_device+0x84/0x100 [<00000000c5195898>] __device_attach_driver+0xee/0x110 [<00000000a4a00628>] bus_for_each_drv+0xb7/0x100 [<000000002e6d901b>] __device_attach+0x122/0x250 [<000000006fc7b8cb>] bus_probe_device+0xc6/0xe0 [<0000000091389be6>] device_add+0x5ac/0xc30 [<0000000077550926>] usb_new_device.cold+0x166/0x578 [<0000000090fd96ec>] hub_event+0x144a/0x20d0 [<000000001a89a1a3>] process_one_work+0x27d/0x590 [<000000007e798893>] worker_thread+0x59/0x5d0 [<0000000008b26443>] kthread+0x178/0x1b0 [<00000000f3382fcf>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810f556c00 (size 32): comm "kworker/0:1", pid 7, jiffies 4294945800 (age 57.280s) hex dump (first 32 bytes): 31 2d 31 3a 30 2e 30 00 00 00 00 00 00 00 00 00 1-1:0.0......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000c070bd6a>] kvasprintf+0x6c/0xf0 [<00000000ee03a323>] kvasprintf_const+0x58/0x110 [<00000000c1acf863>] kobject_set_name_vargs+0x3b/0xe0 [<00000000dc483dc1>] dev_set_name+0x63/0x90 [<000000007da76748>] usb_set_configuration+0x6be/0xb90 [<00000000b4e901f7>] usb_generic_driver_probe+0x8c/0xc0 [<00000000f4a84f7b>] usb_probe_device+0x5c/0x140 [<000000009e93bf88>] really_probe+0x159/0x480 [<00000000acb922cc>] driver_probe_device+0x84/0x100 [<00000000c5195898>] __device_attach_driver+0xee/0x110 [<00000000a4a00628>] bus_for_each_drv+0xb7/0x100 [<000000002e6d901b>] __device_attach+0x122/0x250 [<000000006fc7b8cb>] bus_probe_device+0xc6/0xe0 [<0000000091389be6>] device_add+0x5ac/0xc30 [<0000000077550926>] usb_new_device.cold+0x166/0x578 [<0000000090fd96ec>] hub_event+0x144a/0x20d0 BUG: memory leak unreferenced object 0xffff88810ff73a00 (size 256): comm "kworker/0:1", pid 7, jiffies 4294945804 (age 57.240s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 3a f7 0f 81 88 ff ff .........:...... 08 3a f7 0f 81 88 ff ff c0 a0 58 82 ff ff ff ff .:........X..... backtrace: [<000000004c04b322>] device_add+0x7e8/0xc30 [<00000000b71fb228>] usb_set_configuration+0x9de/0xb90 [<00000000b4e901f7>] usb_generic_driver_probe+0x8c/0xc0 [<00000000f4a84f7b>] usb_probe_device+0x5c/0x140 [<000000009e93bf88>] really_probe+0x159/0x480 [<00000000acb922cc>] driver_probe_device+0x84/0x100 [<00000000c5195898>] __device_attach_driver+0xee/0x110 [<00000000a4a00628>] bus_for_each_drv+0xb7/0x100 [<000000002e6d901b>] __device_attach+0x122/0x250 [<000000006fc7b8cb>] bus_probe_device+0xc6/0xe0 [<0000000091389be6>] device_add+0x5ac/0xc30 [<0000000077550926>] usb_new_device.cold+0x166/0x578 [<0000000090fd96ec>] hub_event+0x144a/0x20d0 [<000000001a89a1a3>] process_one_work+0x27d/0x590 [<000000007e798893>] worker_thread+0x59/0x5d0 [<0000000008b26443>] kthread+0x178/0x1b0