[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[ 13.819626][ T1691] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 39.130170][ C1] random: crng init done Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts. executing program [ 58.995734][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 59.235719][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 59.355782][ T12] usb 1-1: config 0 has an invalid interface number: 255 but max is 0 [ 59.364230][ T12] usb 1-1: config 0 has no interface number 0 [ 59.370391][ T12] usb 1-1: New USB device found, idVendor=04f2, idProduct=aff8, bcdDevice=2d.6a [ 59.379442][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.388773][ T12] usb 1-1: config 0 descriptor?? executing program [ 59.805804][ T12] rtl_usb: reg 0xf0, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 59.814672][ T12] rtl8192cu: Chip version 0x10 [ 60.015770][ T12] rtl_usb: reg 0xa, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 60.024556][ T12] rtl_usb: Too few input end points found [ 60.030400][ T12] INFO: trying to register non-static key. [ 60.036211][ T12] the code is fine but needs lockdep annotation. [ 60.042525][ T12] turning off the locking correctness validator. [ 60.048858][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc6+ #13 [ 60.056330][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.066387][ T12] Workqueue: usb_hub_wq hub_event [ 60.071391][ T12] Call Trace: [ 60.074770][ T12] dump_stack+0xca/0x13e [ 60.078997][ T12] register_lock_class+0x11ae/0x1240 [ 60.084274][ T12] ? is_dynamic_key+0x1b0/0x1b0 [ 60.089111][ T12] __lock_acquire+0x11d/0x5340 [ 60.093862][ T12] ? trace_hardirqs_off+0x50/0x1c0 [ 60.098966][ T12] ? find_held_lock+0x2d/0x110 [ 60.103724][ T12] ? console_unlock+0x5d1/0xbf0 [ 60.108561][ T12] ? mark_held_locks+0xe0/0xe0 [ 60.113313][ T12] ? lock_downgrade+0x630/0x630 [ 60.118197][ T12] ? mark_held_locks+0x9f/0xe0 [ 60.122951][ T12] ? console_unlock+0x8b5/0xbf0 [ 60.127787][ T12] ? netconsole_netdev_event+0x2a0/0x2a0 [ 60.133747][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.139125][ T12] ? console_unlock+0x615/0xbf0 [ 60.144447][ T12] lock_acquire+0x100/0x2b0 [ 60.149371][ T12] ? rtl_c2hcmd_launcher+0xcc/0x390 [ 60.154560][ T12] _raw_spin_lock_irqsave+0x32/0x50 [ 60.159863][ T12] ? rtl_c2hcmd_launcher+0xcc/0x390 [ 60.165053][ T12] rtl_c2hcmd_launcher+0xcc/0x390 [ 60.170353][ T12] rtl_deinit_core+0x20/0x2d0 [ 60.175011][ T12] ? rtl_usb_probe.cold+0x83c/0xa65 [ 60.180205][ T12] rtl_usb_probe.cold+0x855/0xa65 [ 60.185318][ T12] usb_probe_interface+0x305/0x7a0 [ 60.190424][ T12] ? usb_probe_device+0x100/0x100 [ 60.195437][ T12] really_probe+0x281/0x660 [ 60.199931][ T12] driver_probe_device+0x104/0x210 [ 60.205074][ T12] __device_attach_driver+0x1c2/0x220 [ 60.210445][ T12] ? driver_allows_async_probing+0x160/0x160 [ 60.216520][ T12] bus_for_each_drv+0x15c/0x1e0 [ 60.221398][ T12] ? bus_rescan_devices+0x20/0x20 [ 60.226514][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.232301][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.237579][ T12] __device_attach+0x217/0x360 [ 60.242376][ T12] ? device_bind_driver+0xd0/0xd0 [ 60.247452][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 60.252768][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 60.258035][ T12] bus_probe_device+0x1e4/0x290 [ 60.262900][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 60.268784][ T12] device_add+0xae6/0x16f0 [ 60.273448][ T12] ? uevent_store+0x50/0x50 [ 60.277936][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.283771][ T12] usb_set_configuration+0xdf6/0x1670 [ 60.289129][ T12] generic_probe+0x9d/0xd5 [ 60.293532][ T12] usb_probe_device+0x99/0x100 [ 60.298275][ T12] ? usb_suspend+0x620/0x620 [ 60.302848][ T12] really_probe+0x281/0x660 [ 60.307337][ T12] driver_probe_device+0x104/0x210 [ 60.312436][ T12] __device_attach_driver+0x1c2/0x220 [ 60.317834][ T12] ? driver_allows_async_probing+0x160/0x160 [ 60.323887][ T12] bus_for_each_drv+0x15c/0x1e0 [ 60.328755][ T12] ? bus_rescan_devices+0x20/0x20 [ 60.333763][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.339596][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.344863][ T12] __device_attach+0x217/0x360 [ 60.349609][ T12] ? device_bind_driver+0xd0/0xd0 [ 60.354617][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 60.359884][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 60.365160][ T12] bus_probe_device+0x1e4/0x290 [ 60.370367][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 60.376250][ T12] device_add+0xae6/0x16f0 [ 60.380905][ T12] ? uevent_store+0x50/0x50 [ 60.386267][ T12] usb_new_device.cold+0x8c1/0x1016 [ 60.391496][ T12] ? usb_port_suspend+0xa40/0xa40 [ 60.396677][ T12] ? mark_held_locks+0x9f/0xe0 [ 60.401485][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 60.406672][ T12] hub_event+0x1ada/0x3590 [ 60.411087][ T12] ? hub_port_debounce+0x260/0x260 [ 60.416186][ T12] process_one_work+0x905/0x1570 [ 60.421197][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.426641][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 60.431814][ T12] worker_thread+0x96/0xe20 [ 60.436451][ T12] ? process_one_work+0x1570/0x1570 [ 60.441731][ T12] kthread+0x30b/0x410 [ 60.445783][ T12] ? kthread_park+0x1a0/0x1a0 [ 60.450489][ T12] ret_from_fork+0x24/0x30 [ 60.454983][ T12] kasan: CONFIG_KASAN_INLINE enabled [ 60.460287][ T12] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 60.468464][ T12] general protection fault: 0000 [#1] SMP KASAN [ 60.474704][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc6+ #13 [ 60.482188][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.492356][ T12] Workqueue: usb_hub_wq hub_event [ 60.497378][ T12] RIP: 0010:rtl_deinit_core+0x7f/0x2d0 [ 60.502996][ T12] Code: 4c 89 f2 48 c1 ea 03 80 3c 02 00 0f 85 52 02 00 00 4d 8b bc 24 c8 c4 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 22 02 00 00 4d 39 f7 4d 8b 2f 4c 89 ff 0f 84 3d [ 60.522763][ T12] RSP: 0018:ffff8881d9e0f1c8 EFLAGS: 00010246 [ 60.528820][ T12] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffffffff0f5a296 [ 60.536908][ T12] RDX: 0000000000000000 RSI: ffffffff8303ce30 RDI: ffff8881cf510b68 [ 60.551156][ T12] RBP: ffff8881cf510b20 R08: ffff8881d9df9800 R09: ffffed1039ea2521 [ 60.559123][ T12] R10: ffffed1039ea2520 R11: ffff8881cf512903 R12: ffff8881cf512560 [ 60.567638][ T12] R13: ffff8881d160cc68 R14: ffff8881cf51ea28 R15: 0000000000000000 [ 60.576048][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 60.584983][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.591569][ T12] CR2: 00007fd246044000 CR3: 00000001d5b65000 CR4: 00000000001406f0 [ 60.599538][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.607588][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.615552][ T12] Call Trace: [ 60.618852][ T12] ? rtl_usb_probe.cold+0x83c/0xa65 [ 60.624052][ T12] rtl_usb_probe.cold+0x855/0xa65 [ 60.629185][ T12] usb_probe_interface+0x305/0x7a0 [ 60.634476][ T12] ? usb_probe_device+0x100/0x100 [ 60.639578][ T12] really_probe+0x281/0x660 [ 60.644247][ T12] driver_probe_device+0x104/0x210 [ 60.649549][ T12] __device_attach_driver+0x1c2/0x220 [ 60.654918][ T12] ? driver_allows_async_probing+0x160/0x160 [ 60.661164][ T12] bus_for_each_drv+0x15c/0x1e0 [ 60.666057][ T12] ? bus_rescan_devices+0x20/0x20 [ 60.671081][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.677007][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.682455][ T12] __device_attach+0x217/0x360 [ 60.687217][ T12] ? device_bind_driver+0xd0/0xd0 [ 60.692457][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 60.697742][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 60.703578][ T12] bus_probe_device+0x1e4/0x290 [ 60.708478][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 60.714362][ T12] device_add+0xae6/0x16f0 [ 60.718775][ T12] ? uevent_store+0x50/0x50 [ 60.723273][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.729078][ T12] usb_set_configuration+0xdf6/0x1670 [ 60.734613][ T12] generic_probe+0x9d/0xd5 [ 60.739044][ T12] usb_probe_device+0x99/0x100 [ 60.743797][ T12] ? usb_suspend+0x620/0x620 [ 60.748633][ T12] really_probe+0x281/0x660 [ 60.753188][ T12] driver_probe_device+0x104/0x210 [ 60.759311][ T12] __device_attach_driver+0x1c2/0x220 [ 60.764805][ T12] ? driver_allows_async_probing+0x160/0x160 [ 60.772544][ T12] bus_for_each_drv+0x15c/0x1e0 [ 60.777384][ T12] ? bus_rescan_devices+0x20/0x20 [ 60.782389][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.788224][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.793498][ T12] __device_attach+0x217/0x360 [ 60.798238][ T12] ? device_bind_driver+0xd0/0xd0 [ 60.803245][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 60.808516][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 60.813874][ T12] bus_probe_device+0x1e4/0x290 [ 60.818782][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 60.824667][ T12] device_add+0xae6/0x16f0 [ 60.829070][ T12] ? uevent_store+0x50/0x50 [ 60.833658][ T12] usb_new_device.cold+0x8c1/0x1016 [ 60.839310][ T12] ? usb_port_suspend+0xa40/0xa40 [ 60.844313][ T12] ? mark_held_locks+0x9f/0xe0 [ 60.849072][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 60.854247][ T12] hub_event+0x1ada/0x3590 [ 60.858651][ T12] ? hub_port_debounce+0x260/0x260 [ 60.863753][ T12] process_one_work+0x905/0x1570 [ 60.868682][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.874040][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 60.879059][ T12] worker_thread+0x96/0xe20 [ 60.883556][ T12] ? process_one_work+0x1570/0x1570 [ 60.888833][ T12] kthread+0x30b/0x410 [ 60.892890][ T12] ? kthread_park+0x1a0/0x1a0 [ 60.897556][ T12] ret_from_fork+0x24/0x30 [ 60.902016][ T12] Modules linked in: [ 60.906053][ T12] ---[ end trace 4745a0c584183eb2 ]--- [ 60.911510][ T12] RIP: 0010:rtl_deinit_core+0x7f/0x2d0 [ 60.917168][ T12] Code: 4c 89 f2 48 c1 ea 03 80 3c 02 00 0f 85 52 02 00 00 4d 8b bc 24 c8 c4 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 22 02 00 00 4d 39 f7 4d 8b 2f 4c 89 ff 0f 84 3d [ 60.936794][ T12] RSP: 0018:ffff8881d9e0f1c8 EFLAGS: 00010246 [ 60.942838][ T12] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffffffff0f5a296 [ 60.950839][ T12] RDX: 0000000000000000 RSI: ffffffff8303ce30 RDI: ffff8881cf510b68 [ 60.958818][ T12] RBP: ffff8881cf510b20 R08: ffff8881d9df9800 R09: ffffed1039ea2521 [ 60.966871][ T12] R10: ffffed1039ea2520 R11: ffff8881cf512903 R12: ffff8881cf512560 [ 60.975160][ T12] R13: ffff8881d160cc68 R14: ffff8881cf51ea28 R15: 0000000000000000 [ 60.983408][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 60.992624][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.999252][ T12] CR2: 00007fd246044000 CR3: 00000001d5b65000 CR4: 00000000001406f0 [ 61.007344][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.015373][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.023930][ T12] Kernel panic - not syncing: Fatal exception [ 61.030566][ T12] Kernel Offset: disabled [ 61.034956][ T12] Rebooting in 86400 seconds..