[ 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 '10.128.0.155' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.546038][ T3727] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 49.906042][ T3727] usb 1-1: config 254 has an invalid interface number: 51 but max is 0 [ 49.914288][ T3727] usb 1-1: config 254 has an invalid interface descriptor of length 2, skipping [ 49.923774][ T3727] usb 1-1: config 254 has no interface number 0 [ 49.930244][ T3727] usb 1-1: config 254 interface 51 altsetting 0 has an invalid endpoint descriptor of length 2, skipping [ 49.941650][ T3727] usb 1-1: config 254 interface 51 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 49.952539][ T3727] usb 1-1: config 254 interface 51 altsetting 0 has 8 endpoint descriptors, different from the interface descriptor's value: 11 [ 50.126020][ T3727] usb 1-1: New USB device found, idVendor=14aa, idProduct=022b, bcdDevice=d7.b2 [ 50.135046][ T3727] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 50.143101][ T3727] usb 1-1: Product: syz [ 50.147303][ T3727] usb 1-1: Manufacturer: syz [ 50.151878][ T3727] usb 1-1: SerialNumber: syz [ 50.196575][ T3727] dvb-usb: found a 'WideView WT-220U PenType Receiver (based on ZL353)' in warm state. [ 50.206663][ T3727] dvb-usb: bulk message failed: -22 (2/0) [ 50.212404][ T3727] dvb-usb: will use the device's hardware PID filter (table count: 15). [ 50.236020][ T3727] dvbdev: DVB: registering new adapter (WideView WT-220U PenType Receiver (based on ZL353)) [ 50.246259][ T3727] usb 1-1: media controller created [ 50.251645][ T3727] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 50.263397][ T3727] usb 1-1: DVB: registering adapter 0 frontend 0 (WideView USB DVB-T)... [ 50.273192][ T3727] dvbdev: dvb_create_media_entity: media entity 'WideView USB DVB-T' registered. [ 50.365920][ T3727] rc_core: IR keymap rc-dtt200u not found [ 50.371750][ T3727] Registered IR keymap rc-empty [ 50.376850][ T3727] rc rc0: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0 [ 50.389064][ T3727] input: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0/input5 [ 50.401882][ T3727] dvb-usb: schedule remote query interval to 300 msecs. [ 50.409104][ T3727] dvb-usb: WideView WT-220U PenType Receiver (based on ZL353) successfully initialized and connected. [ 50.421131][ T3727] usb 1-1: USB disconnect, device number 2 [ 50.453265][ T3727] dvb-usb: WideView WT-220U PenType Receiver (base successfully deinitialized and disconnected. executing program [ 55.985184][ T3298] usb 1-1: new full-speed USB device number 3 using dummy_hcd [ 56.355213][ T3298] usb 1-1: config 254 has an invalid interface number: 51 but max is 0 [ 56.363459][ T3298] usb 1-1: config 254 has an invalid interface descriptor of length 2, skipping [ 56.372697][ T3298] usb 1-1: config 254 has no interface number 0 [ 56.379027][ T3298] usb 1-1: config 254 interface 51 altsetting 0 has an invalid endpoint descriptor of length 2, skipping [ 56.390273][ T3298] usb 1-1: config 254 interface 51 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 56.401009][ T3298] usb 1-1: config 254 interface 51 altsetting 0 has 8 endpoint descriptors, different from the interface descriptor's value: 11 [ 56.575160][ T3298] usb 1-1: New USB device found, idVendor=14aa, idProduct=022b, bcdDevice=d7.b2 [ 56.584211][ T3298] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 56.592418][ T3298] usb 1-1: Product: syz [ 56.596638][ T3298] usb 1-1: Manufacturer: syz [ 56.601213][ T3298] usb 1-1: SerialNumber: syz [ 56.645780][ T3298] dvb-usb: found a 'WideView WT-220U PenType Receiver (based on ZL353)' in warm state. [ 56.655944][ T3298] dvb-usb: bulk message failed: -22 (2/0) [ 56.661669][ T3298] dvb-usb: will use the device's hardware PID filter (table count: 15). [ 56.685167][ T3298] dvbdev: DVB: registering new adapter (WideView WT-220U PenType Receiver (based on ZL353)) [ 56.695260][ T3298] usb 1-1: media controller created [ 56.700660][ T3298] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 56.710124][ T3298] usb 1-1: DVB: registering adapter 0 frontend 0 (WideView USB DVB-T)... [ 56.719015][ T3298] dvbdev: dvb_create_media_entity: media entity 'WideView USB DVB-T' registered. [ 56.815097][ T3298] rc_core: IR keymap rc-dtt200u not found [ 56.820843][ T3298] Registered IR keymap rc-empty [ 56.827209][ T3298] rc rc0: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0 [ 56.839475][ T3298] input: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0/input6 [ 56.852288][ T3298] dvb-usb: schedule remote query interval to 300 msecs. [ 56.859481][ T3298] dvb-usb: WideView WT-220U PenType Receiver (based on ZL353) successfully initialized and connected. [ 56.871534][ T3298] usb 1-1: USB disconnect, device number 3 [ 56.905863][ T3298] dvb-usb: WideView WT-220U PenType Receiver (base successfully deinitialized and disconnected. executing program [ 62.444612][ T3727] usb 1-1: new full-speed USB device number 4 using dummy_hcd [ 62.804635][ T3727] usb 1-1: config 254 has an invalid interface number: 51 but max is 0 [ 62.812895][ T3727] usb 1-1: config 254 has an invalid interface descriptor of length 2, skipping [ 62.822127][ T3727] usb 1-1: config 254 has no interface number 0 [ 62.828442][ T3727] usb 1-1: config 254 interface 51 altsetting 0 has an invalid endpoint descriptor of length 2, skipping [ 62.839710][ T3727] usb 1-1: config 254 interface 51 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 62.850538][ T3727] usb 1-1: config 254 interface 51 altsetting 0 has 8 endpoint descriptors, different from the interface descriptor's value: 11 [ 63.014643][ T3727] usb 1-1: New USB device found, idVendor=14aa, idProduct=022b, bcdDevice=d7.b2 [ 63.023719][ T3727] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 63.031701][ T3727] usb 1-1: Product: syz [ 63.035921][ T3727] usb 1-1: Manufacturer: syz [ 63.040493][ T3727] usb 1-1: SerialNumber: syz [ 63.105223][ T3727] dvb-usb: found a 'WideView WT-220U PenType Receiver (based on ZL353)' in warm state. [ 63.115078][ T3727] dvb-usb: bulk message failed: -22 (2/0) [ 63.120980][ T3727] dvb-usb: will use the device's hardware PID filter (table count: 15). [ 63.154621][ T3727] dvbdev: DVB: registering new adapter (WideView WT-220U PenType Receiver (based on ZL353)) [ 63.164770][ T3727] usb 1-1: media controller created [ 63.170173][ T3727] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 63.180890][ T3727] usb 1-1: DVB: registering adapter 0 frontend 0 (WideView USB DVB-T)... [ 63.190761][ T3727] dvbdev: dvb_create_media_entity: media entity 'WideView USB DVB-T' registered. [ 63.284555][ T3727] rc_core: IR keymap rc-dtt200u not found [ 63.290277][ T3727] Registered IR keymap rc-empty [ 63.296549][ T3727] rc rc0: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0 [ 63.309281][ T3727] input: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0/input7 [ 63.334816][ T3727] dvb-usb: schedule remote query interval to 300 msecs. [ 63.341756][ T3727] dvb-usb: WideView WT-220U PenType Receiver (based on ZL353) successfully initialized and connected. [ 63.359052][ T3727] usb 1-1: USB disconnect, device number 4 [ 63.373741][ T3727] dvb-usb: WideView WT-220U PenType Receiver (base successfully deinitialized and disconnected. [ 64.443902][ T8465] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 68.533647][ T8465] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 70.707178][ T8465] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810b9c9e00 (size 128): comm "kworker/0:2", pid 3727, jiffies 4294942300 (age 20.490s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 56 00 00 00 00 00 00 00 ........V....... 00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de ........"....... backtrace: [<00000000d377f875>] dvb_create_media_graph+0x301/0x7d0 [<000000009a04f36d>] dvb_usb_adapter_frontend_init+0x180/0x1b0 [<00000000acb273c9>] dvb_usb_device_init.cold+0x4d0/0x6ae [<0000000029e84c52>] dtt200u_usb_probe+0xc0/0x110 [<000000005a8ab72f>] usb_probe_interface+0x177/0x370 [<00000000e2a6c2bb>] really_probe+0x159/0x4a0 [<00000000813a5991>] driver_probe_device+0x84/0x100 [<00000000de0bcd27>] __device_attach_driver+0xee/0x110 [<00000000ec74de27>] bus_for_each_drv+0xb7/0x100 [<0000000037142284>] __device_attach+0x122/0x250 [<000000008f7c5494>] bus_probe_device+0xc6/0xe0 [<00000000f59670b5>] device_add+0x5be/0xc30 [<00000000c65bf0b4>] usb_set_configuration+0x9d9/0xb90 [<0000000053d7c65d>] usb_generic_driver_probe+0x8c/0xc0 [<00000000c4227d37>] usb_probe_device+0x5c/0x140 [<00000000e2a6c2bb>] really_probe+0x159/0x4a0 BUG: memory leak unreferenced object 0xffff88810b9c9200 (size 128): comm "kworker/1:2", pid 3298, jiffies 4294942945 (age 14.040s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 56 00 00 00 00 00 00 00 ........V....... 00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de ........"....... backtrace: [<00000000d377f875>] dvb_create_media_graph+0x301/0x7d0 [<000000009a04f36d>] dvb_usb_adapter_frontend_init+0x180/0x1b0 [<00000000acb273c9>] dvb_usb_device_init.cold+0x4d0/0x6ae [<0000000029e84c52>] dtt200u_usb_probe+0xc0/0x110 [<000000005a8ab72f>] usb_probe_interface+0x177/0x370 [<00000000e2a6c2bb>] really_probe+0x159/0x4a0 [<00000000813a5991>] driver_probe_device+0x84/0x100 [<00000000de0bcd27>] __device_attach_driver+0xee/0x110 [<00000000ec74de27>] bus_for_each_drv+0xb7/0x100 [<0000000037142284>] __device_attach+0x122/0x250 [<000000008f7c5494>] bus_probe_device+0xc6/0xe0 [<00000000f59670b5>] device_add+0x5be/0xc30 [<00000000c65bf0b4>] usb_set_configuration+0x9d9/0xb90 [<0000000053d7c65d>] usb_generic_driver_probe+0x8c/0xc0 [<00000000c4227d37>] usb_probe_device+0x5c/0x140 [<00000000e2a6c2bb>] really_probe+0x159/0x4a0 BUG: memory leak unreferenced object 0xffff8881097ba080 (size 128): comm "kworker/0:2", pid 3727, jiffies 4294943592 (age 7.570s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 56 00 00 00 00 00 00 00 ........V....... 00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de ........"....... backtrace: [<00000000d377f875>] dvb_create_media_graph+0x301/0x7d0 [<000000009a04f36d>] dvb_usb_adapter_frontend_init+0x180/0x1b0 [<00000000acb273c9>] dvb_usb_device_init.cold+0x4d0/0x6ae [<0000000029e84c52>] dtt200u_usb_probe+0xc0/0x110 [<000000005a8ab72f>] usb_probe_interface+0x177/0x370 [<00000000e2a6c2bb>] really_probe+0x159/0x4a0 [<00000000813a5991>] driver_probe_device+0x84/0x100 [<00000000de0bcd27>] __device_attach_driver+0xee/0x110 [<00000000ec74de27>] bus_for_each_drv+0xb7/0x100 [<0000000037142284>] __device_attach+0x122/0x250 [<000000008f7c5494>] bus_probe_device+0xc6/0xe0 [<00000000f59670b5>] device_add+0x5be/0xc30 [<00000000c65bf0b4>] usb_set_configuration+0x9d9/0xb90 [<0000000053d7c65d>] usb_generic_driver_probe+0x8c/0xc0 [<00000000c4227d37>] usb_probe_device+0x5c/0x140 [<00000000e2a6c2bb>] really_probe+0x159/0x4a0