[ 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 '10.128.0.168' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 139.184126][ T3664] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 139.424092][ T3664] usb 1-1: Using ep0 maxpacket: 8 [ 139.554136][ T3664] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 139.564363][ T3664] usb 1-1: config 1 has 2 interfaces, different from the descriptor's value: 3 [ 139.573483][ T3664] usb 1-1: config 1 has no interface number 1 [ 139.579905][ T3664] usb 1-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 0 [ 139.744123][ T3664] usb 1-1: New USB device found, idVendor=0000, idProduct=0000, bcdDevice= 0.40 [ 139.753546][ T3664] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 139.761617][ T3664] usb 1-1: Product: syz [ 139.765953][ T3664] usb 1-1: Manufacturer: syz [ 139.770705][ T3664] usb 1-1: SerialNumber: syz [ 139.814927][ T3664] gspca_main: spca501-2.14.0 probing 0000:0000 [ 140.034045][ T3664] gspca_spca501: reg write: error -71 [ 140.039597][ T3664] spca501 1-1:1.0: Reg write failed for 0x02,0x0f,0x05 [ 140.046654][ T3664] spca501: probe of 1-1:1.0 failed with error -22 [ 140.134029][ T3664] usb 1-1: USB disconnect, device number 2 executing program [ 145.503764][ T3664] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 145.773735][ T3664] usb 1-1: Using ep0 maxpacket: 8 [ 145.893813][ T3664] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 145.904083][ T3664] usb 1-1: config 1 has 2 interfaces, different from the descriptor's value: 3 [ 145.913041][ T3664] usb 1-1: config 1 has no interface number 1 [ 145.919318][ T3664] usb 1-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 0 [ 146.103800][ T3664] usb 1-1: New USB device found, idVendor=0000, idProduct=0000, bcdDevice= 0.40 [ 146.112850][ T3664] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 146.120949][ T3664] usb 1-1: Product: syz [ 146.125133][ T3664] usb 1-1: Manufacturer: syz [ 146.129723][ T3664] usb 1-1: SerialNumber: syz [ 146.174425][ T3664] gspca_main: spca501-2.14.0 probing 0000:0000 [ 146.393717][ T3664] gspca_spca501: reg write: error -71 [ 146.399132][ T3664] spca501 1-1:1.0: Reg write failed for 0x02,0x0f,0x05 [ 146.406202][ T3664] spca501: probe of 1-1:1.0 failed with error -22 [ 146.486352][ T3664] usb 1-1: USB disconnect, device number 3 [ 151.474350][ T8469] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888108284400 (size 1024): comm "kworker/1:2", pid 3664, jiffies 4294951243 (age 13.870s) hex dump (first 32 bytes): c8 24 9f 10 81 88 ff ff c8 24 9f 10 81 88 ff ff .$.......$...... 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e05a837e>] usb_set_configuration+0x18c/0xb90 [<00000000ddd1a832>] usb_generic_driver_probe+0x8c/0xc0 [<000000003f4b3d80>] usb_probe_device+0x5c/0x140 [<000000000c0c7301>] really_probe+0x159/0x480 [<0000000057982dfe>] driver_probe_device+0x84/0x100 [<000000008242640b>] __device_attach_driver+0xee/0x110 [<0000000022c6d2c8>] bus_for_each_drv+0xb7/0x100 [<00000000da37a707>] __device_attach+0x122/0x250 [<00000000c76e955f>] bus_probe_device+0xc6/0xe0 [<000000004afa6907>] device_add+0x5ac/0xc30 [<00000000ccba726e>] usb_new_device.cold+0x166/0x578 [<00000000b8691421>] hub_event+0x144a/0x20d0 [<00000000810c9d89>] process_one_work+0x27d/0x590 [<00000000664c128c>] worker_thread+0x59/0x5d0 [<00000000512ad7b7>] kthread+0x178/0x1b0 [<000000004cbe1275>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff8881108ad980 (size 32): comm "kworker/1:2", pid 3664, jiffies 4294951243 (age 13.870s) hex dump (first 32 bytes): 31 2d 31 3a 31 2e 30 00 00 00 00 00 00 00 00 00 1-1:1.0......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000008215876b>] kvasprintf+0x6c/0xf0 [<000000009c0fa41e>] kvasprintf_const+0x58/0x110 [<0000000064be0505>] kobject_set_name_vargs+0x3b/0xe0 [<000000000a93741d>] dev_set_name+0x63/0x90 [<00000000629ef119>] usb_set_configuration+0x6be/0xb90 [<00000000ddd1a832>] usb_generic_driver_probe+0x8c/0xc0 [<000000003f4b3d80>] usb_probe_device+0x5c/0x140 [<000000000c0c7301>] really_probe+0x159/0x480 [<0000000057982dfe>] driver_probe_device+0x84/0x100 [<000000008242640b>] __device_attach_driver+0xee/0x110 [<0000000022c6d2c8>] bus_for_each_drv+0xb7/0x100 [<00000000da37a707>] __device_attach+0x122/0x250 [<00000000c76e955f>] bus_probe_device+0xc6/0xe0 [<000000004afa6907>] device_add+0x5ac/0xc30 [<00000000ccba726e>] usb_new_device.cold+0x166/0x578 [<00000000b8691421>] hub_event+0x144a/0x20d0 BUG: memory leak unreferenced object 0xffff88810ebee400 (size 256): comm "kworker/1:2", pid 3664, jiffies 4294951247 (age 13.830s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 e4 be 0e 81 88 ff ff ................ 08 e4 be 0e 81 88 ff ff 40 8e 58 82 ff ff ff ff ........@.X..... backtrace: [<00000000fe9a2c67>] device_add+0x7e8/0xc30 [<00000000fd817653>] usb_set_configuration+0x9de/0xb90 [<00000000ddd1a832>] usb_generic_driver_probe+0x8c/0xc0 [<000000003f4b3d80>] usb_probe_device+0x5c/0x140 [<000000000c0c7301>] really_probe+0x159/0x480 [<0000000057982dfe>] driver_probe_device+0x84/0x100 [<000000008242640b>] __device_attach_driver+0xee/0x110 [<0000000022c6d2c8>] bus_for_each_drv+0xb7/0x100 [<00000000da37a707>] __device_attach+0x122/0x250 [<00000000c76e955f>] bus_probe_device+0xc6/0xe0 [<000000004afa6907>] device_add+0x5ac/0xc30 [<00000000ccba726e>] usb_new_device.cold+0x166/0x578 [<00000000b8691421>] hub_event+0x144a/0x20d0 [<00000000810c9d89>] process_one_work+0x27d/0x590 [<00000000664c128c>] worker_thread+0x59/0x5d0 [<00000000512ad7b7>] kthread+0x178/0x1b0