[ 65.581667][ T31] audit: type=1800 audit(1566564686.606:27): pid=10458 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 65.602057][ T31] audit: type=1800 audit(1566564686.616:28): pid=10458 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 66.830688][ T31] audit: type=1800 audit(1566564687.876:29): pid=10458 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 66.853829][ T31] audit: type=1800 audit(1566564687.906:30): pid=10458 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.265288][T10609] IPVS: ftp: loaded support on port[0] = 21 [ 77.561845][ T50] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 77.801908][ T50] usb 1-1: Using ep0 maxpacket: 16 [ 77.921909][ T50] usb 1-1: config 0 interface 0 altsetting 251 endpoint 0xF has invalid maxpacket 2047, setting to 64 [ 77.933749][ T50] usb 1-1: config 0 interface 0 altsetting 251 has a duplicate endpoint with address 0x5, skipping [ 77.944516][ T50] usb 1-1: config 0 interface 0 altsetting 251 endpoint 0x8 has invalid maxpacket 2047, setting to 64 [ 77.955521][ T50] usb 1-1: config 0 interface 0 altsetting 251 bulk endpoint 0x8E has invalid maxpacket 1024 [ 77.965756][ T50] usb 1-1: config 0 interface 0 altsetting 251 has a duplicate endpoint with address 0x5, skipping [ 77.976496][ T50] usb 1-1: config 0 interface 0 has no altsetting 0 [ 78.221877][ T50] usb 1-1: string descriptor 0 read error: -22 [ 78.228204][ T50] usb 1-1: New USB device found, idVendor=2040, idProduct=c000, bcdDevice=ea.2d [ 78.237296][ T50] usb 1-1: New USB device strings: Mfr=4, Product=1, SerialNumber=0 [ 78.246318][ T50] usb 1-1: config 0 descriptor?? [ 78.285233][ T50] smsusb:smsusb_probe: board id=8, interface number 0 [ 78.452729][ T50] smsusb:siano_media_device_register: media controller created [ 78.461232][ T50] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 78.469561][ T50] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 78.476770][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.476825][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.476877][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.476928][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.476979][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.477030][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.477081][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.477132][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.477186][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.477236][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 78.549459][ T50] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 78.557147][ T50] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 78.565749][ T50] smsusb:smsusb_probe: Device initialized with return code -22 [ 78.573505][ T33] ================================================================== [ 78.581574][ T33] BUG: KMSAN: uninit-value in worker_thread+0x16fe/0x2460 [ 78.588701][ T33] CPU: 1 PID: 33 Comm: kworker/1:1 Not tainted 5.3.0-rc3+ #17 [ 78.596149][ T33] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.606223][ T33] Workqueue: 0x0 (events_power_efficient) [ 78.612006][ T33] Call Trace: [ 78.615276][ T33] dump_stack+0x191/0x1f0 [ 78.619581][ T33] kmsan_report+0x162/0x2d0 [ 78.624078][ T33] __msan_warning+0x75/0xe0 [ 78.628564][ T33] worker_thread+0x16fe/0x2460 [ 78.633306][ T33] kthread+0x4b5/0x4f0 [ 78.637346][ T33] ? process_one_work+0x1ef0/0x1ef0 [ 78.642522][ T33] ? kthread_blkcg+0xf0/0xf0 [ 78.647083][ T33] ret_from_fork+0x35/0x40 [ 78.651468][ T33] [ 78.653782][ T33] Uninit was created at: [ 78.658002][ T33] kmsan_internal_poison_shadow+0x53/0xa0 [ 78.663687][ T33] kmsan_slab_free+0x8d/0x100 [ 78.668333][ T33] kfree+0x4c1/0x2db0 [ 78.672284][ T33] smsusb_probe+0x3871/0x38b0 [ 78.676933][ T33] usb_probe_interface+0xd19/0x1310 [ 78.682099][ T33] really_probe+0x1373/0x1dc0 [ 78.686752][ T33] driver_probe_device+0x1ba/0x510 [ 78.691837][ T33] __device_attach_driver+0x5b8/0x790 [ 78.697194][ T33] bus_for_each_drv+0x28e/0x3b0 [ 78.702008][ T33] __device_attach+0x489/0x750 [ 78.706769][ T33] device_initial_probe+0x4a/0x60 [ 78.711760][ T33] bus_probe_device+0x131/0x390 [ 78.716579][ T33] device_add+0x25b5/0x2df0 [ 78.721047][ T33] usb_set_configuration+0x309f/0x3710 [ 78.726471][ T33] generic_probe+0xe7/0x280 [ 78.730940][ T33] usb_probe_device+0x146/0x200 [ 78.735787][ T33] really_probe+0x1373/0x1dc0 [ 78.740438][ T33] driver_probe_device+0x1ba/0x510 [ 78.745525][ T33] __device_attach_driver+0x5b8/0x790 [ 78.750872][ T33] bus_for_each_drv+0x28e/0x3b0 [ 78.755688][ T33] __device_attach+0x489/0x750 [ 78.760438][ T33] device_initial_probe+0x4a/0x60 [ 78.765440][ T33] bus_probe_device+0x131/0x390 [ 78.770266][ T33] device_add+0x25b5/0x2df0 [ 78.774745][ T33] usb_new_device+0x23e5/0x2fb0 [ 78.779561][ T33] hub_event+0x581d/0x72f0 [ 78.783947][ T33] process_one_work+0x1572/0x1ef0 [ 78.788939][ T33] worker_thread+0x111b/0x2460 [ 78.793676][ T33] kthread+0x4b5/0x4f0 [ 78.797717][ T33] ret_from_fork+0x35/0x40 [ 78.802308][ T33] ================================================================== [ 78.810344][ T33] Disabling lock debugging due to kernel taint [ 78.816468][ T33] Kernel panic - not syncing: panic_on_warn set ... [ 78.823037][ T33] CPU: 1 PID: 33 Comm: kworker/1:1 Tainted: G B 5.3.0-rc3+ #17 [ 78.831850][ T33] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.841919][ T33] Workqueue: 0x0 (events_power_efficient) [ 78.847694][ T33] Call Trace: [ 78.850955][ T33] dump_stack+0x191/0x1f0 [ 78.855268][ T33] panic+0x3c9/0xc1e [ 78.859155][ T33] kmsan_report+0x2ca/0x2d0 [ 78.863632][ T33] __msan_warning+0x75/0xe0 [ 78.868104][ T33] worker_thread+0x16fe/0x2460 [ 78.872847][ T33] kthread+0x4b5/0x4f0 [ 78.876895][ T33] ? process_one_work+0x1ef0/0x1ef0 [ 78.882069][ T33] ? kthread_blkcg+0xf0/0xf0 [ 78.886645][ T33] ret_from_fork+0x35/0x40 [ 78.892293][ T33] Kernel Offset: disabled [ 78.896617][ T33] Rebooting in 86400 seconds..