[  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 '10.128.0.90' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   49.940713][ T3638] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   50.200675][ T3638] usb 1-1: Using ep0 maxpacket: 16
[   50.320750][ T3638] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32
[   50.330725][ T3638] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31
[   50.339833][ T3638] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   50.348937][ T3638] usb 1-1: config 0 descriptor??
[   50.370943][ T8381] raw-gadget gadget: fail, usb_ep_enable returned -22
[   50.392383][ T3638] mcba_usb 1-1:0.0 can0: failed tx_urb -2
[   50.398130][ T3638] mcba_usb 1-1:0.0 can0: Failed to send cmd (169)
[   50.410356][ T3638] mcba_usb 1-1:0.0 can0: failed tx_urb -2
[   50.418018][ T3638] mcba_usb 1-1:0.0 can0: Failed to send cmd (169)
[   50.426201][ T3638] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected
[   50.610448][ T3638] usb 1-1: USB disconnect, device number 2
[   50.630679][ T3638] mcba_usb 1-1:0.0 can0: device disconnected
[   56.513202][ T8380] kmemleak: 20 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff8881101ddcc0 (size 64):
  comm "kworker/0:2", pid 3638, jiffies 4294942309 (age 8.230s)
  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:
    [<00000000c868ff13>] hcd_buffer_alloc+0x149/0x190
    [<00000000f15cfbec>] usb_alloc_coherent+0x42/0x60
    [<00000000efab881f>] mcba_usb_probe+0x27b/0x430
    [<0000000051a1e2c9>] usb_probe_interface+0x177/0x370
    [<00000000ce4570f2>] really_probe+0x159/0x4a0
    [<0000000069512e88>] driver_probe_device+0x84/0x100
    [<00000000fb3b8633>] __device_attach_driver+0xee/0x110
    [<00000000dad5ddf6>] bus_for_each_drv+0xb7/0x100
    [<00000000fb1a00cd>] __device_attach+0x122/0x250
    [<000000000ccf5cfc>] bus_probe_device+0xc6/0xe0
    [<00000000f609d53a>] device_add+0x5be/0xc30
    [<00000000e9b4047a>] usb_set_configuration+0x9d9/0xb90
    [<000000003146d3f2>] usb_generic_driver_probe+0x8c/0xc0
    [<00000000f751c523>] usb_probe_device+0x5c/0x140
    [<00000000ce4570f2>] really_probe+0x159/0x4a0
    [<0000000069512e88>] driver_probe_device+0x84/0x100

BUG: memory leak
unreferenced object 0xffff8881101ddd00 (size 64):
  comm "kworker/0:2", pid 3638, jiffies 4294942309 (age 8.230s)
  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:
    [<00000000c868ff13>] hcd_buffer_alloc+0x149/0x190
    [<00000000f15cfbec>] usb_alloc_coherent+0x42/0x60
    [<00000000efab881f>] mcba_usb_probe+0x27b/0x430
    [<0000000051a1e2c9>] usb_probe_interface+0x177/0x370
    [<00000000ce4570f2>] really_probe+0x159/0x4a0
    [<0000000069512e88>] driver_probe_device+0x84/0x100
    [<00000000fb3b8633>] __device_attach_driver+0xee/0x110
    [<00000000dad5ddf6>] bus_for_each_drv+0xb7/0x100
    [<00000000fb1a00cd>] __device_attach+0x122/0x250
    [<000000000ccf5cfc>] bus_probe_device+0xc6/0xe0
    [<00000000f609d53a>] device_add+0x5be/0xc30
    [<00000000e9b4047a>] usb_set_configuration+0x9d9/0xb90
    [<000000003146d3f2>] usb_generic_driver_probe+0x8c/0xc0
    [<00000000f751c523>] usb_probe_device+0x5c/0x140
    [<00000000ce4570f2>] really_probe+0x159/0x4a0
    [<0000000069512e88>] driver_probe_device+0x84/0x100

BUG: memory leak
unreferenced object 0xffff8881101ddd40 (size 64):
  comm "kworker/0:2", pid 3638, jiffies 4294942309 (age 8.230s)
  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:
    [<00000000c868ff13>] hcd_buffer_alloc+0x149/0x190
    [<00000000f15cfbec>] usb_alloc_coherent+0x42/0x60
    [<00000000efab881f>] mcba_usb_probe+0x27b/0x430
    [<0000000051a1e2c9>] usb_probe_interface+0x177/0x370
    [<00000000ce4570f2>] really_probe+0x159/0x4a0
    [<0000000069512e88>] driver_probe_device+0x84/0x100
    [<00000000fb3b8633>] __device_attach_driver+0xee/0x110
    [<00000000dad5ddf6>] bus_for_each_drv+0xb7/0x100
    [<00000000fb1a00cd>] __device_attach+0x122/0x250
    [<000000000ccf5cfc>] bus_probe_device+0xc6/0xe0
    [<00000000f609d53a>] device_add+0x5be/0xc30
    [<00000000e9b4047a>] usb_set_configuration+0x9d9/0xb90
    [<000000003146d3f2>] usb_generic_driver_probe+0x8c/0xc0
    [<00000000f751c523>] usb_probe_device+0x5c/0x140
    [<00000000ce4570f2>] really_probe+0x159/0x4a0
    [<0000000069512e88>] driver_probe_device+0x84/0x100