[ 100.571125][ T32] audit: type=1800 audit(1561371065.612:26): pid=12260 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 100.608723][ T32] audit: type=1800 audit(1561371065.642:27): pid=12260 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. [ 101.900745][T12328] sshd (12328) used greatest stack depth: 53608 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 114.201835][ T510] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 114.561853][ T510] usb 1-1: config 0 has an invalid interface number: 183 but max is 0 [ 114.570078][ T510] usb 1-1: config 0 has no interface number 0 [ 114.576365][ T510] usb 1-1: New USB device found, idVendor=5032, idProduct=0fa1, bcdDevice=21.80 [ 114.585535][ T510] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 114.595216][ T510] usb 1-1: config 0 descriptor?? [ 114.635985][ T510] dvb-usb: found a 'Grandtec USB1.1 DVB-T' in warm state. [ 114.643492][ T510] dvb-usb: bulk message failed: -22 (3/-30591) [ 114.685355][ T510] dvb-usb: will use the device's hardware PID filter (table count: 16). [ 114.712903][ T510] dvbdev: DVB: registering new adapter (Grandtec USB1.1 DVB-T) [ 114.720540][ T510] usb 1-1: media controller created [ 114.728752][ T510] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 114.744682][ T510] dvb-usb: bulk message failed: -22 (6/-30592) [ 114.750897][ T510] ================================================================== [ 114.759010][ T510] BUG: KMSAN: uninit-value in dib3000mb_attach+0x340/0x450 [ 114.766228][ T510] CPU: 1 PID: 510 Comm: kworker/1:2 Not tainted 5.2.0-rc4+ #5 [ 114.773670][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.783991][ T510] Workqueue: usb_hub_wq hub_event [ 114.798091][ T510] Call Trace: [ 114.801409][ T510] dump_stack+0x191/0x1f0 [ 114.805759][ T510] kmsan_report+0x162/0x2d0 [ 114.810263][ T510] __msan_warning+0x75/0xe0 [ 114.814765][ T510] dib3000mb_attach+0x340/0x450 [ 114.819623][ T510] dibusb_dib3000mb_frontend_attach+0x1af/0x3b0 [ 114.825855][ T510] ? tda8083_wait_diseqc_fifo+0x560/0x560 [ 114.831563][ T510] ? dibusb_probe+0x280/0x280 [ 114.836231][ T510] dvb_usb_adapter_frontend_init+0x105/0xa00 [ 114.842218][ T510] dvb_usb_device_init+0x2297/0x2cc0 [ 114.847533][ T510] dibusb_probe+0x75/0x280 [ 114.851952][ T510] ? a800_rc_query+0x430/0x430 [ 114.856707][ T510] usb_probe_interface+0xd19/0x1310 [ 114.861912][ T510] ? usb_register_driver+0x7d0/0x7d0 [ 114.867225][ T510] really_probe+0x1344/0x1d90 [ 114.871908][ T510] driver_probe_device+0x1ba/0x510 [ 114.877039][ T510] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 114.882934][ T510] __device_attach_driver+0x5b8/0x790 [ 114.888313][ T510] bus_for_each_drv+0x28e/0x3b0 [ 114.893154][ T510] ? deferred_probe_work_func+0x400/0x400 [ 114.898868][ T510] __device_attach+0x489/0x750 [ 114.903641][ T510] device_initial_probe+0x4a/0x60 [ 114.908659][ T510] bus_probe_device+0x131/0x390 [ 114.913534][ T510] device_add+0x25b5/0x2df0 [ 114.918064][ T510] usb_set_configuration+0x309f/0x3710 [ 114.923652][ T510] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 114.929737][ T510] generic_probe+0xe7/0x280 [ 114.934243][ T510] ? usb_choose_configuration+0xae0/0xae0 [ 114.939954][ T510] usb_probe_device+0x146/0x200 [ 114.944803][ T510] ? usb_register_device_driver+0x470/0x470 [ 114.950689][ T510] really_probe+0x1344/0x1d90 [ 114.955382][ T510] driver_probe_device+0x1ba/0x510 [ 114.960488][ T510] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 114.966393][ T510] __device_attach_driver+0x5b8/0x790 [ 114.971779][ T510] bus_for_each_drv+0x28e/0x3b0 [ 114.976711][ T510] ? deferred_probe_work_func+0x400/0x400 [ 114.982433][ T510] __device_attach+0x489/0x750 [ 114.987202][ T510] device_initial_probe+0x4a/0x60 [ 114.992222][ T510] bus_probe_device+0x131/0x390 [ 114.997067][ T510] device_add+0x25b5/0x2df0 [ 115.001584][ T510] usb_new_device+0x23e5/0x2fb0 [ 115.006460][ T510] hub_event+0x5853/0x7320 [ 115.010923][ T510] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 115.016806][ T510] ? led_work+0x720/0x720 [ 115.021124][ T510] ? led_work+0x720/0x720 [ 115.025488][ T510] process_one_work+0x1572/0x1f00 [ 115.030529][ T510] worker_thread+0x111b/0x2460 [ 115.035311][ T510] kthread+0x4b5/0x4f0 [ 115.039381][ T510] ? process_one_work+0x1f00/0x1f00 [ 115.044592][ T510] ? kthread_blkcg+0xf0/0xf0 [ 115.049198][ T510] ret_from_fork+0x35/0x40 [ 115.053618][ T510] [ 115.055961][ T510] Local variable description: ----rb@dib3000_read_reg [ 115.062707][ T510] Variable was created at: [ 115.067135][ T510] dib3000_read_reg+0xdb/0x540 [ 115.071891][ T510] dib3000mb_attach+0x17d/0x450 [ 115.076720][ T510] ================================================================== [ 115.084935][ T510] Disabling lock debugging due to kernel taint [ 115.091245][ T510] Kernel panic - not syncing: panic_on_warn set ... [ 115.097912][ T510] CPU: 1 PID: 510 Comm: kworker/1:2 Tainted: G B 5.2.0-rc4+ #5 [ 115.106738][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.116921][ T510] Workqueue: usb_hub_wq hub_event [ 115.121932][ T510] Call Trace: [ 115.125243][ T510] dump_stack+0x191/0x1f0 [ 115.129574][ T510] panic+0x3c9/0xc1e [ 115.133502][ T510] kmsan_report+0x2ca/0x2d0 [ 115.138009][ T510] __msan_warning+0x75/0xe0 [ 115.142512][ T510] dib3000mb_attach+0x340/0x450 [ 115.147377][ T510] dibusb_dib3000mb_frontend_attach+0x1af/0x3b0 [ 115.153625][ T510] ? tda8083_wait_diseqc_fifo+0x560/0x560 [ 115.159339][ T510] ? dibusb_probe+0x280/0x280 [ 115.164012][ T510] dvb_usb_adapter_frontend_init+0x105/0xa00 [ 115.169997][ T510] dvb_usb_device_init+0x2297/0x2cc0 [ 115.175308][ T510] dibusb_probe+0x75/0x280 [ 115.179713][ T510] ? a800_rc_query+0x430/0x430 [ 115.184487][ T510] usb_probe_interface+0xd19/0x1310 [ 115.189692][ T510] ? usb_register_driver+0x7d0/0x7d0 [ 115.194975][ T510] really_probe+0x1344/0x1d90 [ 115.199680][ T510] driver_probe_device+0x1ba/0x510 [ 115.204789][ T510] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 115.210691][ T510] __device_attach_driver+0x5b8/0x790 [ 115.216071][ T510] bus_for_each_drv+0x28e/0x3b0 [ 115.220911][ T510] ? deferred_probe_work_func+0x400/0x400 [ 115.226650][ T510] __device_attach+0x489/0x750 [ 115.231415][ T510] device_initial_probe+0x4a/0x60 [ 115.236457][ T510] bus_probe_device+0x131/0x390 [ 115.241485][ T510] device_add+0x25b5/0x2df0 [ 115.246530][ T510] usb_set_configuration+0x309f/0x3710 [ 115.252040][ T510] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 115.258141][ T510] generic_probe+0xe7/0x280 [ 115.262643][ T510] ? usb_choose_configuration+0xae0/0xae0 [ 115.268355][ T510] usb_probe_device+0x146/0x200 [ 115.273201][ T510] ? usb_register_device_driver+0x470/0x470 [ 115.279086][ T510] really_probe+0x1344/0x1d90 [ 115.283772][ T510] driver_probe_device+0x1ba/0x510 [ 115.288903][ T510] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 115.294822][ T510] __device_attach_driver+0x5b8/0x790 [ 115.300198][ T510] bus_for_each_drv+0x28e/0x3b0 [ 115.305041][ T510] ? deferred_probe_work_func+0x400/0x400 [ 115.310761][ T510] __device_attach+0x489/0x750 [ 115.315529][ T510] device_initial_probe+0x4a/0x60 [ 115.320541][ T510] bus_probe_device+0x131/0x390 [ 115.325395][ T510] device_add+0x25b5/0x2df0 [ 115.329908][ T510] usb_new_device+0x23e5/0x2fb0 [ 115.334768][ T510] hub_event+0x5853/0x7320 [ 115.339235][ T510] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 115.345118][ T510] ? led_work+0x720/0x720 [ 115.349431][ T510] ? led_work+0x720/0x720 [ 115.353753][ T510] process_one_work+0x1572/0x1f00 [ 115.358788][ T510] worker_thread+0x111b/0x2460 [ 115.363574][ T510] kthread+0x4b5/0x4f0 [ 115.367726][ T510] ? process_one_work+0x1f00/0x1f00 [ 115.372948][ T510] ? kthread_blkcg+0xf0/0xf0 [ 115.377544][ T510] ret_from_fork+0x35/0x40 [ 115.383030][ T510] Kernel Offset: disabled [ 115.387373][ T510] Rebooting in 86400 seconds..