[  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 '10.128.0.150' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   46.675205][   T55] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   46.915248][   T55] usb 1-1: Using ep0 maxpacket: 16
[   47.035168][   T55] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32
[   47.044997][   T55] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31
[   47.054454][   T55] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   47.063033][   T55] usb 1-1: config 0 descriptor??
[   47.085359][ T8488] raw-gadget gadget: fail, usb_ep_enable returned -22
[   47.106449][   T55] mcba_usb 1-1:0.0 can0: failed tx_urb -2
[   47.112408][   T55] mcba_usb 1-1:0.0 can0: Failed to send cmd (169)
[   47.118977][   T55] mcba_usb 1-1:0.0 can0: failed tx_urb -2
[   47.124701][   T55] mcba_usb 1-1:0.0 can0: Failed to send cmd (169)
[   47.131333][   T55] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected
[   47.312640][   T55] usb 1-1: USB disconnect, device number 2
[   47.325137][   T55] mcba_usb 1-1:0.0 can0: device disconnected
[   52.982551][ T8487] kmemleak: 20 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888110e39200 (size 64):
  comm "kworker/1:1", pid 55, jiffies 4294941986 (age 7.820s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 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:
    [<00000000dc8dde7a>] hcd_buffer_alloc+0x149/0x190
    [<000000001b31b509>] usb_alloc_coherent+0x42/0x60
    [<00000000d6824d6c>] mcba_usb_probe+0x27b/0x430
    [<00000000904ad065>] usb_probe_interface+0x177/0x370
    [<00000000f2fa011e>] really_probe+0x159/0x480
    [<0000000092549e48>] driver_probe_device+0x84/0x100
    [<0000000066687b35>] __device_attach_driver+0xee/0x110
    [<000000004b7ceaad>] bus_for_each_drv+0xb7/0x100
    [<000000005a44dd86>] __device_attach+0x122/0x250
    [<00000000cd879451>] bus_probe_device+0xc6/0xe0
    [<00000000e1281cec>] device_add+0x5be/0xc30
    [<00000000792628d2>] usb_set_configuration+0x9d9/0xb90
    [<00000000b8bf369c>] usb_generic_driver_probe+0x8c/0xc0
    [<00000000631a740c>] usb_probe_device+0x5c/0x140
    [<00000000f2fa011e>] really_probe+0x159/0x480
    [<0000000092549e48>] driver_probe_device+0x84/0x100

BUG: memory leak
unreferenced object 0xffff888110e39240 (size 64):
  comm "kworker/1:1", pid 55, jiffies 4294941986 (age 7.820s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 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:
    [<00000000dc8dde7a>] hcd_buffer_alloc+0x149/0x190
    [<000000001b31b509>] usb_alloc_coherent+0x42/0x60
    [<00000000d6824d6c>] mcba_usb_probe+0x27b/0x430
    [<00000000904ad065>] usb_probe_interface+0x177/0x370
    [<00000000f2fa011e>] really_probe+0x159/0x480
    [<0000000092549e48>] driver_probe_device+0x84/0x100
    [<0000000066687b35>] __device_attach_driver+0xee/0x110
    [<000000004b7ceaad>] bus_for_each_drv+0xb7/0x100
    [<000000005a44dd86>] __device_attach+0x122/0x250
    [<00000000cd879451>] bus_probe_device+0xc6/0xe0
    [<00000000e1281cec>] device_add+0x5be/0xc30
    [<00000000792628d2>] usb_set_configuration+0x9d9/0xb90
    [<00000000b8bf369c>] usb_generic_driver_probe+0x8c/0xc0
    [<00000000631a740c>] usb_probe_device+0x5c/0x140
    [<00000000f2fa011e>] really_probe+0x159/0x480
    [<0000000092549e48>] driver_probe_device+0x84/0x100

BUG: memory leak
unreferenced object 0xffff888110e39280 (size 64):
  comm "kworker/1:1", pid 55, jiffies 4294941986 (age 7.820s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 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:
    [<00000000dc8dde7a>] hcd_buffer_alloc+0x149/0x190
    [<000000001b31b509>] usb_alloc_coherent+0x42/0x60
    [<00000000d6824d6c>] mcba_usb_probe+0x27b/0x430
    [<00000000904ad065>] usb_probe_interface+0x177/0x370
    [<00000000f2fa011e>] really_probe+0x159/0x480
    [<0000000092549e48>] driver_probe_device+0x84/0x100
    [<0000000066687b35>] __device_attach_driver+0xee/0x110
    [<000000004b7ceaad>] bus_for_each_drv+0xb7/0x100
    [<000000005a44dd86>] __device_attach+0x122/0x250
    [<00000000cd879451>] bus_probe_device+0xc6/0xe0
    [<00000000e1281cec>] device_add+0x5be/0xc30
    [<00000000792628d2>] usb_set_configuration+0x9d9/0xb90
    [<00000000b8bf369c>] usb_generic_driver_probe+0x8c/0xc0
    [<00000000631a740c>] usb_probe_device+0x5c/0x140
    [<00000000f2fa011e>] really_probe+0x159/0x480
    [<0000000092549e48>] driver_probe_device+0x84/0x100