[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 92.826921][ T31] audit: type=1800 audit(1562291150.873:25): pid=12212 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 92.851904][ T31] audit: type=1800 audit(1562291150.903:26): pid=12212 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 92.901935][ T31] audit: type=1800 audit(1562291150.923:27): pid=12212 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 104.991765][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 105.231751][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 105.351762][ T12] usb 1-1: config 0 has an invalid interface number: 128 but max is 0 [ 105.359992][ T12] usb 1-1: config 0 has no interface number 0 [ 105.366256][ T12] usb 1-1: config 0 interface 128 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 105.376181][ T12] usb 1-1: config 0 interface 128 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 105.386175][ T12] usb 1-1: New USB device found, idVendor=0424, idProduct=9908, bcdDevice=6a.5e [ 105.395251][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 105.404755][ T12] usb 1-1: config 0 descriptor?? [ 105.443541][ T12] smsc95xx v1.0.6 [ 105.841856][ T12] ================================================================== [ 105.849950][ T12] BUG: KMSAN: uninit-value in smsc95xx_read_eeprom+0x203/0x920 [ 105.857505][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc4+ #10 [ 105.864939][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.874978][ T12] Workqueue: usb_hub_wq hub_event [ 105.879978][ T12] Call Trace: [ 105.883276][ T12] dump_stack+0x191/0x1f0 [ 105.887601][ T12] kmsan_report+0x162/0x2d0 [ 105.892094][ T12] __msan_warning+0x75/0xe0 [ 105.896586][ T12] smsc95xx_read_eeprom+0x203/0x920 [ 105.901783][ T12] smsc95xx_bind+0x467/0x1690 [ 105.906468][ T12] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 105.912391][ T12] ? smsc95xx_mdio_write+0xc10/0xc10 [ 105.917669][ T12] usbnet_probe+0x10d3/0x3950 [ 105.922342][ T12] ? kmsan_internal_memset_shadow+0x104/0x3a0 [ 105.928409][ T12] ? usbnet_disconnect+0x660/0x660 [ 105.933506][ T12] usb_probe_interface+0xd19/0x1310 [ 105.938696][ T12] ? usb_register_driver+0x7d0/0x7d0 [ 105.943969][ T12] really_probe+0x1344/0x1d90 [ 105.948646][ T12] driver_probe_device+0x1ba/0x510 [ 105.953757][ T12] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 105.959643][ T12] __device_attach_driver+0x5b8/0x790 [ 105.965012][ T12] bus_for_each_drv+0x28e/0x3b0 [ 105.969855][ T12] ? deferred_probe_work_func+0x400/0x400 [ 105.975566][ T12] __device_attach+0x489/0x750 [ 105.980322][ T12] device_initial_probe+0x4a/0x60 [ 105.985332][ T12] bus_probe_device+0x131/0x390 [ 105.990177][ T12] devi