[ 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 '10.128.0.40' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 53.556610][ T56] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 53.806610][ T56] usb 1-1: Using ep0 maxpacket: 16 [ 54.006678][ T56] usb 1-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9a.19 [ 54.015707][ T56] usb 1-1: New USB device strings: Mfr=9, Product=0, SerialNumber=0 [ 54.024133][ T56] usb 1-1: Manufacturer: syz [ 54.716563][ T56] peak_usb 1-1:73.0: PEAK-System PCAN-USB Pro hwrev 0 serial 00000000.00000000 (2 channels) [ 54.726701][ T56] peak_usb 1-1:73.0 can0: sending command failure: -22 [ 54.733584][ T56] peak_usb 1-1:73.0 can0: sending command failure: -22 [ 54.786670][ T56] peak_usb: probe of 1-1:73.0 failed with error -22 [ 54.917097][ T3704] usb 1-1: USB disconnect, device number 2 [ 60.819769][ T8475] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888110e76300 (size 96): comm "kworker/1:1", pid 56, jiffies 4294942680 (age 8.850s) hex dump (first 32 bytes): 00 09 17 13 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000081f5bef8>] pcan_usb_pro_init+0x120/0x280 [<00000000f52fc8d6>] peak_usb_probe+0x389/0x490 [<00000000a097c4f8>] usb_probe_interface+0x177/0x370 [<0000000015078d9a>] really_probe+0x159/0x480 [<00000000db0dcf9c>] driver_probe_device+0x84/0x100 [<00000000d43d108b>] __device_attach_driver+0xee/0x110 [<000000002ba37505>] bus_for_each_drv+0xb7/0x100 [<00000000b5f90ff4>] __device_attach+0x122/0x250 [<00000000fa6b70f5>] bus_probe_device+0xc6/0xe0 [<000000004486b8b9>] device_add+0x5be/0xc30 [<000000004bb8d840>] usb_set_configuration+0x9d9/0xb90 [<000000000e3165e8>] usb_generic_driver_probe+0x8c/0xc0 [<0000000019c74261>] usb_probe_device+0x5c/0x140 [<0000000015078d9a>] really_probe+0x159/0x480 [<00000000db0dcf9c>] driver_probe_device+0x84/0x100 [<00000000d43d108b>] __device_attach_driver+0xee/0x110