[  OK  ] Started Getty on tty2.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Serial Getty on ttyS0.
[  OK  ] Started System Logging Service.
[  OK  ] Started getty on tty2-tty6 if dbus and logind are not available.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.120' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [  170.682548][ T3486] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[  170.942553][ T3486] usb 1-1: Using ep0 maxpacket: 32
[  171.072750][ T3486] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 247
[  171.082859][ T3486] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 16
[  171.092994][ T3486] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3
[  171.262822][ T3486] usb 1-1: New USB device found, idVendor=0424, idProduct=7505, bcdDevice= 0.40
[  171.272002][ T3486] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  171.280368][ T3486] usb 1-1: Product: syz
[  171.284793][ T3486] usb 1-1: Manufacturer: syz
[  171.289514][ T3486] usb 1-1: SerialNumber: syz
[  171.317147][ T8245] raw-gadget gadget: fail, usb_ep_enable returned -22
[  171.327045][ T8245] raw-gadget gadget: fail, usb_ep_enable returned -22
[  171.563914][ T8245] raw-gadget gadget: fail, usb_ep_enable returned -22
[  171.570881][ T8245] raw-gadget gadget: fail, usb_ep_enable returned -22
[  172.012966][ T3486] cdc_ether: probe of 1-1:1.0 failed with error -22
[  172.019930][ T3486] smsc75xx v1.0.0
[  172.213130][ T8245] raw-gadget gadget: fail, usb_ep_enable returned -22
[  172.220245][ T8245] raw-gadget gadget: fail, usb_ep_enable returned -22
[  172.452927][ T3486] =====================================================
[  172.459898][ T3486] BUG: KMSAN: uninit-value in smsc75xx_bind+0x576/0x13f0
[  172.466959][ T3486] CPU: 1 PID: 3486 Comm: kworker/1:2 Not tainted 5.10.0-rc4-syzkaller #0
[  172.475375][ T3486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  172.485436][ T3486] Workqueue: usb_hub_wq hub_event
[  172.490465][ T3486] Call Trace:
[  172.493755][ T3486]  dump_stack+0x21c/0x280
[  172.498101][ T3486]  kmsan_report+0xf7/0x1e0
[  172.502511][ T3486]  __msan_warning+0x5f/0xa0
[  172.507006][ T3486]  smsc75xx_bind+0x576/0x13f0
[  172.511700][ T3486]  ? smsc75xx_write_wuff+0xa60/0xa60
[  172.516991][ T3486]  usbnet_probe+0x1169/0x3e90
[  172.521668][ T3486]  ? kmsan_internal_set_origin+0x85/0xc0
[  172.527395][ T3486]  ? kmsan_internal_unpoison_shadow+0x42/0x70
[  172.533460][ T3486]  ? usbnet_disconnect+0x670/0x670
[  172.538601][ T3486]  usb_probe_interface+0xfcc/0x1520
[  172.543796][ T3486]  ? usb_register_driver+0x900/0x900
[  172.549089][ T3486]  really_probe+0xebd/0x2420
[  172.553673][ T3486]  driver_probe_device+0x293/0x390
[  172.558776][ T3486]  __device_attach_driver+0x63f/0x830
[  172.564142][ T3486]  bus_for_each_drv+0x2ca/0x3f0
[  172.568983][ T3486]  ? state_synced_show+0x130/0x130
[  172.574090][ T3486]  __device_attach+0x538/0x860
[  172.578844][ T3486]  device_initial_probe+0x4a/0x60
[  172.583874][ T3486]  bus_probe_device+0x177/0x3d0
[  172.588715][ T3486]  ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[  172.594526][ T3486]  device_add+0x399e/0x3f20
[  172.599032][ T3486]  usb_set_configuration+0x39cf/0x4010
[  172.604479][ T3486]  ? usb_set_configuration+0xb11/0x4010
[  172.610026][ T3486]  ? kmsan_report+0x1a0/0x1e0
[  172.614697][ T3486]  usb_generic_driver_probe+0x138/0x300
[  172.620234][ T3486]  ? usb_choose_configuration+0xf00/0xf00
[  172.625954][ T3486]  usb_probe_device+0x317/0x570
[  172.630813][ T3486]  ? usb_register_device_driver+0x590/0x590
[  172.636716][ T3486]  really_probe+0xebd/0x2420
[  172.641316][ T3486]  driver_probe_device+0x293/0x390
[  172.646430][ T3486]  __device_attach_driver+0x63f/0x830
[  172.651792][ T3486]  bus_for_each_drv+0x2ca/0x3f0
[  172.656734][ T3486]  ? state_synced_show+0x130/0x130
[  172.661866][ T3486]  __device_attach+0x538/0x860
[  172.666648][ T3486]  device_initial_probe+0x4a/0x60
[  172.671686][ T3486]  bus_probe_device+0x177/0x3d0
[  172.676555][ T3486]  ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[  172.682396][ T3486]  device_add+0x399e/0x3f20
[  172.686922][ T3486]  usb_new_device+0x1bd6/0x2a30
[  172.691798][ T3486]  hub_event+0x5bc9/0x8890
[  172.696257][ T3486]  ? __msan_metadata_ptr_for_load_8+0x10/0x20
[  172.702359][ T3486]  ? kmsan_get_metadata+0x116/0x180
[  172.707570][ T3486]  ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[  172.713423][ T3486]  ? led_work+0x780/0x780
[  172.717785][ T3486]  process_one_work+0x121c/0x1fc0
[  172.722850][ T3486]  worker_thread+0x10cc/0x2740
[  172.727614][ T3486]  ? kmsan_get_metadata+0x116/0x180
[  172.732816][ T3486]  kthread+0x51c/0x560
[  172.736867][ T3486]  ? process_one_work+0x1fc0/0x1fc0
[  172.742064][ T3486]  ? kthread_blkcg+0x110/0x110
[  172.746828][ T3486]  ret_from_fork+0x1f/0x30
[  172.751225][ T3486] 
[  172.753535][ T3486] Local variable ----buf.i91@smsc75xx_bind created at:
[  172.760378][ T3486]  smsc75xx_bind+0x435/0x13f0
[  172.765038][ T3486]  smsc75xx_bind+0x435/0x13f0
[  172.769688][ T3486] =====================================================
[  172.776608][ T3486] Disabling lock debugging due to kernel taint
[  172.782762][ T3486] Kernel panic - not syncing: panic_on_warn set ...
[  172.789353][ T3486] CPU: 1 PID: 3486 Comm: kworker/1:2 Tainted: G    B             5.10.0-rc4-syzkaller #0
[  172.799147][ T3486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  172.809226][ T3486] Workqueue: usb_hub_wq hub_event
[  172.814238][ T3486] Call Trace:
[  172.817533][ T3486]  dump_stack+0x21c/0x280
[  172.821859][ T3486]  panic+0x4c8/0xea7
[  172.825744][ T3486]  ? add_taint+0x17c/0x210
[  172.830144][ T3486]  kmsan_report+0x1da/0x1e0
[  172.834631][ T3486]  __msan_warning+0x5f/0xa0
[  172.839121][ T3486]  smsc75xx_bind+0x576/0x13f0
[  172.843786][ T3486]  ? smsc75xx_write_wuff+0xa60/0xa60
[  172.849056][ T3486]  usbnet_probe+0x1169/0x3e90
[  172.853731][ T3486]  ? kmsan_internal_set_origin+0x85/0xc0
[  172.859357][ T3486]  ? kmsan_internal_unpoison_shadow+0x42/0x70
[  172.865410][ T3486]  ? usbnet_disconnect+0x670/0x670
[  172.870531][ T3486]  usb_probe_interface+0xfcc/0x1520
[  172.875726][ T3486]  ? usb_register_driver+0x900/0x900
[  172.881011][ T3486]  really_probe+0xebd/0x2420
[  172.885588][ T3486]  driver_probe_device+0x293/0x390
[  172.890690][ T3486]  __device_attach_driver+0x63f/0x830
[  172.896052][ T3486]  bus_for_each_drv+0x2ca/0x3f0
[  172.900886][ T3486]  ? state_synced_show+0x130/0x130
[  172.906071][ T3486]  __device_attach+0x538/0x860
[  172.910820][ T3486]  device_initial_probe+0x4a/0x60
[  172.915837][ T3486]  bus_probe_device+0x177/0x3d0
[  172.920675][ T3486]  ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[  172.926482][ T3486]  device_add+0x399e/0x3f20
[  172.930979][ T3486]  usb_set_configuration+0x39cf/0x4010
[  172.936440][ T3486]  ? usb_set_configuration+0xb11/0x4010
[  172.941969][ T3486]  ? kmsan_report+0x1a0/0x1e0
[  172.946638][ T3486]  usb_generic_driver_probe+0x138/0x300
[  172.952171][ T3486]  ? usb_choose_configuration+0xf00/0xf00
[  172.958073][ T3486]  usb_probe_device+0x317/0x570
[  172.962934][ T3486]  ? usb_register_device_driver+0x590/0x590
[  172.968825][ T3486]  really_probe+0xebd/0x2420
[  172.973416][ T3486]  driver_probe_device+0x293/0x390
[  172.978526][ T3486]  __device_attach_driver+0x63f/0x830
[  172.983992][ T3486]  bus_for_each_drv+0x2ca/0x3f0
[  172.988844][ T3486]  ? state_synced_show+0x130/0x130
[  172.993958][ T3486]  __device_attach+0x538/0x860
[  172.998720][ T3486]  device_initial_probe+0x4a/0x60
[  173.003729][ T3486]  bus_probe_device+0x177/0x3d0
[  173.008848][ T3486]  ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[  173.014637][ T3486]  device_add+0x399e/0x3f20
[  173.019145][ T3486]  usb_new_device+0x1bd6/0x2a30
[  173.023999][ T3486]  hub_event+0x5bc9/0x8890
[  173.028422][ T3486]  ? __msan_metadata_ptr_for_load_8+0x10/0x20
[  173.034471][ T3486]  ? kmsan_get_metadata+0x116/0x180
[  173.039663][ T3486]  ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[  173.045455][ T3486]  ? led_work+0x780/0x780
[  173.049780][ T3486]  process_one_work+0x121c/0x1fc0
[  173.054834][ T3486]  worker_thread+0x10cc/0x2740
[  173.059584][ T3486]  ? kmsan_get_metadata+0x116/0x180
[  173.064771][ T3486]  kthread+0x51c/0x560
[  173.068827][ T3486]  ? process_one_work+0x1fc0/0x1fc0
[  173.074010][ T3486]  ? kthread_blkcg+0x110/0x110
[  173.078772][ T3486]  ret_from_fork+0x1f/0x30
[  173.083833][ T3486] Kernel Offset: disabled
[  173.088157][ T3486] Rebooting in 86400 seconds..