[  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

syzkaller login: [   35.371525][ T8446] bash (8446) used greatest stack depth: 11008 bytes left
Warning: Permanently added '10.128.1.62' (ECDSA) to the list of known hosts.
executing program
[   50.327329][ T3265] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   50.577292][ T3265] usb 1-1: Using ep0 maxpacket: 16
[   50.697315][ T3265] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32
[   50.707218][ T3265] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31
[   50.716635][ T3265] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   50.725233][ T3265] usb 1-1: config 0 descriptor??
[   50.747530][ T8479] raw-gadget gadget: fail, usb_ep_enable returned -22
[   50.768724][ T3265] mcba_usb 1-1:0.0 can0: failed tx_urb -2
[   50.774444][ T3265] mcba_usb 1-1:0.0 can0: Failed to send cmd (169)
[   50.781270][ T3265] mcba_usb 1-1:0.0 can0: failed tx_urb -2
[   50.786982][ T3265] mcba_usb 1-1:0.0 can0: Failed to send cmd (169)
[   50.793567][ T3265] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected
[   50.981528][ T3265] usb 1-1: USB disconnect, device number 2
[   50.987557][ T3265] mcba_usb 1-1:0.0 can0: device disconnected
[   56.788969][ T8478] kmemleak: 20 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888110442280 (size 64):
  comm "kworker/1:2", pid 3265, jiffies 4294942337 (age 8.040s)
  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:
    [<000000005335f763>] hcd_buffer_alloc+0x149/0x190
    [<00000000a79a0f5a>] usb_alloc_coherent+0x42/0x60
    [<0000000013f8261f>] mcba_usb_probe+0x27b/0x430
    [<000000009aad697c>] usb_probe_interface+0x177/0x370
    [<000000000df446c8>] really_probe+0x159/0x480
    [<000000001c55feca>] driver_probe_device+0x84/0x100
    [<00000000b4f3346f>] __device_attach_driver+0xee/0x110
    [<00000000b20f9a26>] bus_for_each_drv+0xb7/0x100
    [<00000000efc93f96>] __device_attach+0x122/0x250
    [<00000000d0573bb5>] bus_probe_device+0xc6/0xe0
    [<00000000f568dc55>] device_add+0x5be/0xc30
    [<00000000eed92938>] usb_set_configuration+0x9d9/0xb90
    [<0000000099bf0e42>] usb_generic_driver_probe+0x8c/0xc0
    [<000000006021e1ae>] usb_probe_device+0x5c/0x140
    [<000000000df446c8>] really_probe+0x159/0x480
    [<000000001c55feca>] driver_probe_device+0x84/0x100

BUG: memory leak
unreferenced object 0xffff88811043d880 (size 64):
  comm "kworker/1:2", pid 3265, jiffies 4294942337 (age 8.040s)
  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:
    [<000000005335f763>] hcd_buffer_alloc+0x149/0x190
    [<00000000a79a0f5a>] usb_alloc_coherent+0x42/0x60
    [<0000000013f8261f>] mcba_usb_probe+0x27b/0x430
    [<000000009aad697c>] usb_probe_interface+0x177/0x370
    [<000000000df446c8>] really_probe+0x159/0x480
    [<000000001c55feca>] driver_probe_device+0x84/0x100
    [<00000000b4f3346f>] __device_attach_driver+0xee/0x110
    [<00000000b20f9a26>] bus_for_each_drv+0xb7/0x100
    [<00000000efc93f96>] __device_attach+0x122/0x250
    [<00000000d0573bb5>] bus_probe_device+0xc6/0xe0
    [<00000000f568dc55>] device_add+0x5be/0xc30
    [<00000000eed92938>] usb_set_configuration+0x9d9/0xb90
    [<0000000099bf0e42>] usb_generic_driver_probe+0x8c/0xc0
    [<000000006021e1ae>] usb_probe_device+0x5c/0x140
    [<000000000df446c8>] really_probe+0x159/0x480
    [<000000001c55feca>] driver_probe_device+0x84/0x100

BUG: memory leak
unreferenced object 0xffff88811043d8c0 (size 64):
  comm "kworker/1:2", pid 3265, jiffies 4294942337 (age 8.040s)
  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:
    [<000000005335f763>] hcd_buffer_alloc+0x149/0x190
    [<00000000a79a0f5a>] usb_alloc_coherent+0x42/0x60
    [<0000000013f8261f>] mcba_usb_probe+0x27b/0x430
    [<000000009aad697c>] usb_probe_interface+0x177/0x370
    [<000000000df446c8>] really_probe+0x159/0x480
    [<000000001c55feca>] driver_probe_device+0x84/0x100
    [<00000000b4f3346f>] __device_attach_driver+0xee/0x110
    [<00000000b20f9a26>] bus_for_each_drv+0xb7/0x100
    [<00000000efc93f96>] __device_attach+0x122/0x250
    [<00000000d0573bb5>] bus_probe_device+0xc6/0xe0
    [<00000000f568dc55>] device_add+0x5be/0xc30
    [<00000000eed92938>] usb_set_configuration+0x9d9/0xb90
    [<0000000099bf0e42>] usb_generic_driver_probe+0x8c/0xc0
    [<000000006021e1ae>] usb_probe_device+0x5c/0x140
    [<000000000df446c8>] really_probe+0x159/0x480
    [<000000001c55feca>] driver_probe_device+0x84/0x100