[ 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 '10.128.0.173' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 74.729227][ T3589] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 74.969219][ T3589] usb 1-1: Using ep0 maxpacket: 16 [ 75.249356][ T3589] usb 1-1: New USB device found, idVendor=174f, idProduct=a311, bcdDevice=d6.2e [ 75.258480][ T3589] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 75.266719][ T3589] usb 1-1: Product: syz [ 75.270928][ T3589] usb 1-1: Manufacturer: syz [ 75.275499][ T3589] usb 1-1: SerialNumber: syz [ 75.280703][ T3589] usb 1-1: config 0 descriptor?? [ 75.320008][ T3589] stkwebcam: Could not find isoc-in endpoint [ 75.519729][ T3853] usb 1-1: USB disconnect, device number 2 executing program [ 81.838300][ T3589] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 82.078247][ T3589] usb 1-1: Using ep0 maxpacket: 16 [ 82.388289][ T3589] usb 1-1: New USB device found, idVendor=174f, idProduct=a311, bcdDevice=d6.2e [ 82.397363][ T3589] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 82.405614][ T3589] usb 1-1: Product: syz [ 82.409808][ T3589] usb 1-1: Manufacturer: syz [ 82.414399][ T3589] usb 1-1: SerialNumber: syz [ 82.419641][ T3589] usb 1-1: config 0 descriptor?? [ 82.459012][ T3589] stkwebcam: Could not find isoc-in endpoint [ 82.658828][ T3853] usb 1-1: USB disconnect, device number 3 executing program [ 88.977085][ T3589] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 89.237052][ T3589] usb 1-1: Using ep0 maxpacket: 16 [ 89.527053][ T3589] usb 1-1: New USB device found, idVendor=174f, idProduct=a311, bcdDevice=d6.2e [ 89.536097][ T3589] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 89.544345][ T3589] usb 1-1: Product: syz [ 89.548578][ T3589] usb 1-1: Manufacturer: syz [ 89.553152][ T3589] usb 1-1: SerialNumber: syz [ 89.558602][ T3589] usb 1-1: config 0 descriptor?? [ 89.618888][ T3589] stkwebcam: Could not find isoc-in endpoint [ 89.817551][ T3853] usb 1-1: USB disconnect, device number 4 executing program [ 96.146114][ T3589] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 96.406078][ T3589] usb 1-1: Using ep0 maxpacket: 16 [ 96.686133][ T3589] usb 1-1: New USB device found, idVendor=174f, idProduct=a311, bcdDevice=d6.2e [ 96.695325][ T3589] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 96.703531][ T3589] usb 1-1: Product: syz [ 96.707805][ T3589] usb 1-1: Manufacturer: syz [ 96.712378][ T3589] usb 1-1: SerialNumber: syz [ 96.717644][ T3589] usb 1-1: config 0 descriptor?? [ 96.756784][ T3589] stkwebcam: Could not find isoc-in endpoint [ 96.963980][ T3589] usb 1-1: USB disconnect, device number 5 [ 102.902747][ T8435] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888103f74400 (size 1024): comm "kworker/0:2", pid 3589, jiffies 4294946221 (age 15.460s) hex dump (first 32 bytes): c8 dd 19 11 81 88 ff ff c8 dd 19 11 81 88 ff ff ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009863a5de>] usb_set_configuration+0x187/0xb90 [<000000004e64b4f7>] usb_generic_driver_probe+0x8c/0xc0 [<000000000abadf62>] usb_probe_device+0x5c/0x140 [<0000000002ad52a5>] really_probe+0x159/0x4a0 [<00000000aa336a1d>] driver_probe_device+0x84/0x100 [<0000000022c47055>] __device_attach_driver+0xee/0x110 [<0000000027ac1f1d>] bus_for_each_drv+0xb7/0x100 [<000000005641a818>] __device_attach+0x122/0x250 [<00000000b666ffaa>] bus_probe_device+0xc6/0xe0 [<0000000015e5ef23>] device_add+0x5be/0xc30 [<00000000787d97b8>] usb_new_device.cold+0x16a/0x582 [<000000004d48699c>] hub_event+0x142e/0x20c0 [<0000000008a72726>] process_one_work+0x2c9/0x600 [<00000000c16d6806>] worker_thread+0x59/0x5d0 [<000000004086a3c5>] kthread+0x178/0x1b0 [<00000000592e5dac>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810a7e1c00 (size 256): comm "kworker/0:2", pid 3589, jiffies 4294946227 (age 15.400s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 1c 7e 0a 81 88 ff ff ..........~..... 08 1c 7e 0a 81 88 ff ff d0 52 5a 82 ff ff ff ff ..~......RZ..... backtrace: [<00000000f49d8356>] device_add+0x7fa/0xc30 [<00000000bc09ad83>] usb_set_configuration+0x9d9/0xb90 [<000000004e64b4f7>] usb_generic_driver_probe+0x8c/0xc0 [<000000000abadf62>] usb_probe_device+0x5c/0x140 [<0000000002ad52a5>] really_probe+0x159/0x4a0 [<00000000aa336a1d>] driver_probe_device+0x84/0x100 [<0000000022c47055>] __device_attach_driver+0xee/0x110 [<0000000027ac1f1d>] bus_for_each_drv+0xb7/0x100 [<000000005641a818>] __device_attach+0x122/0x250 [<00000000b666ffaa>] bus_probe_device+0xc6/0xe0 [<0000000015e5ef23>] device_add+0x5be/0xc30 [<00000000787d97b8>] usb_new_device.cold+0x16a/0x582 [<000000004d48699c>] hub_event+0x142e/0x20c0 [<0000000008a72726>] process_one_work+0x2c9/0x600 [<00000000c16d6806>] worker_thread+0x59/0x5d0 [<000000004086a3c5>] kthread+0x178/0x1b0