[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.167111][ T1697] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 15.269542][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.254' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 74.383296][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 74.623263][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 74.743343][ T21] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xD has invalid maxpacket 175, setting to 64 [ 74.993336][ T21] usb 1-1: string descriptor 0 read error: -22 [ 74.999567][ T21] usb 1-1: New USB device found, idVendor=1199, idProduct=9019, bcdDevice=a7.5b [ 75.008684][ T21] usb 1-1: New USB device strings: Mfr=255, Product=6, SerialNumber=0 [ 75.018088][ T21] usb 1-1: config 0 descriptor?? [ 75.064436][ T21] ================================================================== [ 75.072603][ T21] BUG: KASAN: global-out-of-bounds in qmi_wwan_probe+0x342/0x360 [ 75.080317][ T21] Read of size 8 at addr ffffffff8618c180 by task kworker/1:1/21 [ 75.088022][ T21] [ 75.090390][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 [ 75.097834][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.107932][ T21] Workqueue: usb_hub_wq hub_event [ 75.112954][ T21] Call Trace: [ 75.116230][ T21] dump_stack+0xca/0x13e [ 75.120458][ T21] ? qmi_wwan_probe+0x342/0x360 [ 75.125419][ T21] ? qmi_wwan_probe+0x342/0x360 [ 75.130267][ T21] print_address_description+0x67/0x231 [ 75.135825][ T21] ? qmi_wwan_probe+0x342/0x360 [ 75.140703][ T21] ? qmi_wwan_probe+0x342/0x360 [ 75.145547][ T21] __kasan_report.cold+0x1a/0x32 [ 75.150527][ T21] ? qmi_wwan_probe+0x342/0x360 [ 75.155368][ T21] kasan_report+0xe/0x20 [ 75.159590][ T21] qmi_wwan_probe+0x342/0x360 [ 75.164373][ T21] usb_probe_interface+0x305/0x7a0 [ 75.169480][ T21] ? usb_probe_device+0x100/0x100 [ 75.174495][ T21] really_probe+0x281/0x660 [ 75.179027][ T21] driver_probe_device+0x104/0x210 [ 75.184137][ T21] __device_attach_driver+0x1c2/0x220 [ 75.189503][ T21] ? driver_allows_async_probing+0x160/0x160 [ 75.195474][ T21] bus_for_each_drv+0x15c/0x1e0 [ 75.200362][ T21] ? bus_rescan_devices+0x20/0x20 [ 75.205433][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 75.211237][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 75.216511][ T21] __device_attach+0x217/0x360 [ 75.221284][ T21] ? device_bind_driver+0xd0/0xd0 [ 75.226298][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 75.231569][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 75.236842][ T21] bus_probe_device+0x1e4/0x290 [ 75.241680][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 75.247605][ T21] device_add+0xae6/0x16f0 [ 75.252016][ T21] ? uevent_store+0x50/0x50 [ 75.256508][ T21] usb_set_configuration+0xdf6/0x1670 [ 75.261907][ T21] generic_probe+0x9d/0xd5 [ 75.266436][ T21] usb_probe_device+0x99/0x100 [ 75.271206][ T21] ? usb_suspend+0x620/0x620 [ 75.275828][ T21] really_probe+0x281/0x660 [ 75.280343][ T21] driver_probe_device+0x104/0x210 [ 75.285443][ T21] __device_attach_driver+0x1c2/0x220 [ 75.290795][ T21] ? driver_allows_async_probing+0x160/0x160 [ 75.296795][ T21] bus_for_each_drv+0x15c/0x1e0 [ 75.301675][ T21] ? bus_rescan_devices+0x20/0x20 [ 75.306798][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 75.312604][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 75.317886][ T21] __device_attach+0x217/0x360 [ 75.322646][ T21] ? device_bind_driver+0xd0/0xd0 [ 75.327658][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 75.333338][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 75.338614][ T21] bus_probe_device+0x1e4/0x290 [ 75.343455][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 75.349339][ T21] device_add+0xae6/0x16f0 [ 75.353743][ T21] ? uevent_store+0x50/0x50 [ 75.358284][ T21] usb_new_device.cold+0x8c1/0x1016 [ 75.363580][ T21] ? usb_port_suspend+0xa40/0xa40 [ 75.368646][ T21] ? mark_held_locks+0x9f/0xe0 [ 75.373618][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 75.378797][ T21] hub_event+0x1ada/0x3590 [ 75.383439][ T21] ? hub_port_debounce+0x260/0x260 [ 75.388569][ T21] process_one_work+0x905/0x1570 [ 75.393495][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 75.398850][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 75.403881][ T21] worker_thread+0x96/0xe20 [ 75.408419][ T21] ? process_one_work+0x1570/0x1570 [ 75.413614][ T21] kthread+0x30b/0x410 [ 75.417710][ T21] ? kthread_park+0x1a0/0x1a0 [ 75.422435][ T21] ret_from_fork+0x24/0x30 [ 75.426834][ T21] [ 75.429187][ T21] The buggy address belongs to the variable: [ 75.435241][ T21] products+0x2f40/0x2fa0 [ 75.439545][ T21] [ 75.441849][ T21] Memory state around the buggy address: [ 75.447457][ T21] ffffffff8618c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 75.455500][ T21] ffffffff8618c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 75.463618][ T21] >ffffffff8618c180: fa fa fa fa 00 00 fa fa fa fa fa fa 00 00 00 00 [ 75.471703][ T21] ^ [ 75.475766][ T21] ffffffff8618c200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa fa [ 75.483830][ T21] ffffffff8618c280: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 [ 75.491894][ T21] ================================================================== [ 75.499951][ T21] Disabling lock debugging due to kernel taint [ 75.506266][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 75.513002][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Tainted: G B 5.2.0-rc6+ #13 [ 75.521843][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.532959][ T21] Workqueue: usb_hub_wq hub_event [ 75.537980][ T21] Call Trace: [ 75.541265][ T21] dump_stack+0xca/0x13e [ 75.545497][ T21] panic+0x292/0x6c9 [ 75.549380][ T21] ? __warn_printk+0xf3/0xf3 [ 75.554063][ T21] ? qmi_wwan_probe+0x342/0x360 [ 75.558901][ T21] ? trace_hardirqs_on+0x55/0x1c0 [ 75.563998][ T21] ? qmi_wwan_probe+0x342/0x360 [ 75.568834][ T21] end_report+0x43/0x49 [ 75.572982][ T21] ? qmi_wwan_probe+0x342/0x360 [ 75.577815][ T21] __kasan_report.cold+0xd/0x32 [ 75.582653][ T21] ? qmi_wwan_probe+0x342/0x360 [ 75.587489][ T21] kasan_report+0xe/0x20 [ 75.591766][ T21] qmi_wwan_probe+0x342/0x360 [ 75.596433][ T21] usb_probe_interface+0x305/0x7a0 [ 75.601530][ T21] ? usb_probe_device+0x100/0x100 [ 75.606540][ T21] really_probe+0x281/0x660 [ 75.611026][ T21] driver_probe_device+0x104/0x210 [ 75.616161][ T21] __device_attach_driver+0x1c2/0x220 [ 75.621518][ T21] ? driver_allows_async_probing+0x160/0x160 [ 75.627608][ T21] bus_for_each_drv+0x15c/0x1e0 [ 75.632456][ T21] ? bus_rescan_devices+0x20/0x20 [ 75.637505][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 75.643520][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 75.648920][ T21] __device_attach+0x217/0x360 [ 75.653679][ T21] ? device_bind_driver+0xd0/0xd0 [ 75.658692][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 75.663961][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 75.669234][ T21] bus_probe_device+0x1e4/0x290 [ 75.674071][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 75.679945][ T21] device_add+0xae6/0x16f0 [ 75.684343][ T21] ? uevent_store+0x50/0x50 [ 75.688874][ T21] usb_set_configuration+0xdf6/0x1670 [ 75.694236][ T21] generic_probe+0x9d/0xd5 [ 75.698695][ T21] usb_probe_device+0x99/0x100 [ 75.703444][ T21] ? usb_suspend+0x620/0x620 [ 75.708015][ T21] really_probe+0x281/0x660 [ 75.712607][ T21] driver_probe_device+0x104/0x210 [ 75.717707][ T21] __device_attach_driver+0x1c2/0x220 [ 75.723189][ T21] ? driver_allows_async_probing+0x160/0x160 [ 75.729184][ T21] bus_for_each_drv+0x15c/0x1e0 [ 75.734058][ T21] ? bus_rescan_devices+0x20/0x20 [ 75.739106][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 75.744934][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 75.750259][ T21] __device_attach+0x217/0x360 [ 75.755005][ T21] ? device_bind_driver+0xd0/0xd0 [ 75.760002][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 75.765266][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 75.770533][ T21] bus_probe_device+0x1e4/0x290 [ 75.775366][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 75.781238][ T21] device_add+0xae6/0x16f0 [ 75.785632][ T21] ? uevent_store+0x50/0x50 [ 75.790156][ T21] usb_new_device.cold+0x8c1/0x1016 [ 75.795332][ T21] ? usb_port_suspend+0xa40/0xa40 [ 75.800334][ T21] ? mark_held_locks+0x9f/0xe0 [ 75.805080][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 75.810281][ T21] hub_event+0x1ada/0x3590 [ 75.814683][ T21] ? hub_port_debounce+0x260/0x260 [ 75.819779][ T21] process_one_work+0x905/0x1570 [ 75.824743][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 75.830113][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 75.835117][ T21] worker_thread+0x96/0xe20 [ 75.839606][ T21] ? process_one_work+0x1570/0x1570 [ 75.844786][ T21] kthread+0x30b/0x410 [ 75.848879][ T21] ? kthread_park+0x1a0/0x1a0 [ 75.853582][ T21] ret_from_fork+0x24/0x30 [ 75.858467][ T21] Kernel Offset: disabled [ 75.862789][ T21] Rebooting in 86400 seconds..