[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 14.294455][ C1] random: crng init done [....] 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 '10.128.1.59' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.967599][ T107] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 39.207558][ T107] usb 1-1: Using ep0 maxpacket: 32 [ 39.327824][ T107] usb 1-1: config 1 has an invalid interface number: 107 but max is 0 [ 39.336169][ T107] usb 1-1: config 1 has no interface number 0 [ 39.342521][ T107] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9374, bcdDevice=c1.07 [ 39.351568][ T107] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 39.647672][ T107] usb 1-1: string descriptor 0 read error: -71 [ 39.655666][ T107] kasan: CONFIG_KASAN_INLINE enabled [ 39.660960][ T107] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 39.669013][ T107] general protection fault: 0000 [#1] SMP KASAN [ 39.675230][ T107] CPU: 1 PID: 107 Comm: kworker/1:2 Not tainted 5.2.0-rc6+ #15 [ 39.682744][ T107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.693055][ T107] Workqueue: usb_hub_wq hub_event [ 39.698067][ T107] RIP: 0010:__lock_acquire+0xb9f/0x5340 [ 39.703589][ T107] Code: 28 00 00 00 0f 85 5a 2c 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 8c 2e 00 00 49 81 3e 60 79 3e 88 0f 84 35 f5 ff [ 39.723183][ T107] RSP: 0018:ffff8881d419ef00 EFLAGS: 00010006 [ 39.729231][ T107] RAX: dffffc0000000000 RBX: ffff8881d4693000 RCX: 0000000000000000 [ 39.737177][ T107] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 [ 39.745123][ T107] RBP: ffff8881d419f0b0 R08: 0000000000000001 R09: 0000000000000001 [ 39.753071][ T107] R10: 0000000000000001 R11: ffff8881d4693000 R12: 0000000000000000 [ 39.761123][ T107] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 39.769098][ T107] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 39.778092][ T107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.784667][ T107] CR2: 00007fcd24c21000 CR3: 00000001cfdfc000 CR4: 00000000001406e0 [ 39.792618][ T107] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.800565][ T107] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.808601][ T107] Call Trace: [ 39.811960][ T107] ? lockdep_hardirqs_on+0x379/0x580 [ 39.817308][ T107] ? stack_depot_save+0x252/0x440 [ 39.822317][ T107] ? save_stack+0x4c/0x80 [ 39.826623][ T107] ? mark_held_locks+0xe0/0xe0 [ 39.831361][ T107] ? ath6kl_usb_probe+0xc7a/0x1180 [ 39.836556][ T107] ? usb_probe_interface+0x305/0x7a0 [ 39.841819][ T107] ? really_probe+0x281/0x660 [ 39.852290][ T107] ? driver_probe_device+0x104/0x210 [ 39.857652][ T107] ? __device_attach_driver+0x1c2/0x220 [ 39.863349][ T107] ? bus_for_each_drv+0x15c/0x1e0 [ 39.868350][ T107] ? __device_attach+0x217/0x360 [ 39.873264][ T107] ? bus_probe_device+0x1e4/0x290 [ 39.878263][ T107] ? device_add+0xae6/0x16f0 [ 39.884307][ T107] ? usb_set_configuration+0xdf6/0x1670 [ 39.890871][ T107] ? generic_probe+0x9d/0xd5 [ 39.898057][ T107] ? usb_probe_device+0x99/0x100 [ 39.903338][ T107] ? really_probe+0x281/0x660 [ 39.908168][ T107] ? driver_probe_device+0x104/0x210 [ 39.913431][ T107] ? __device_attach_driver+0x1c2/0x220 [ 39.918950][ T107] ? bus_for_each_drv+0x15c/0x1e0 [ 39.923951][ T107] ? __device_attach+0x217/0x360 [ 39.928868][ T107] ? bus_probe_device+0x1e4/0x290 [ 39.933870][ T107] ? device_add+0xae6/0x16f0 [ 39.938435][ T107] ? usb_new_device.cold+0x6a4/0xe61 [ 39.943693][ T107] ? hub_event+0x1abd/0x3550 [ 39.948262][ T107] ? process_one_work+0x905/0x1570 [ 39.953346][ T107] ? worker_thread+0x96/0xe20 [ 39.957997][ T107] ? kthread+0x30b/0x410 [ 39.962218][ T107] lock_acquire+0x100/0x2b0 [ 39.966700][ T107] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 39.972828][ T107] _raw_spin_lock_irqsave+0x32/0x50 [ 39.978003][ T107] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 39.984128][ T107] ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 39.990103][ T107] ath6kl_usb_post_recv_transfers.constprop.0+0x22e/0x400 [ 39.997189][ T107] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 40.002975][ T107] ath6kl_usb_power_on+0x88/0x120 [ 40.007979][ T107] ath6kl_core_init+0x1ae/0x1040 [ 40.012892][ T107] ? ath6kl_core_destroy+0x20/0x20 [ 40.017977][ T107] ? memcpy+0x35/0x50 [ 40.021932][ T107] ? ath6kl_core_create+0x7a5/0x960 [ 40.027107][ T107] ath6kl_usb_probe+0xc7a/0x1180 [ 40.032033][ T107] usb_probe_interface+0x305/0x7a0 [ 40.037117][ T107] ? usb_probe_device+0x100/0x100 [ 40.042115][ T107] really_probe+0x281/0x660 [ 40.046592][ T107] driver_probe_device+0x104/0x210 [ 40.051677][ T107] __device_attach_driver+0x1c2/0x220 [ 40.057109][ T107] ? driver_allows_async_probing+0x160/0x160 [ 40.063585][ T107] bus_for_each_drv+0x15c/0x1e0 [ 40.068408][ T107] ? bus_rescan_devices+0x20/0x20 [ 40.073406][ T107] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 40.079188][ T107] ? lockdep_hardirqs_on+0x379/0x580 [ 40.084447][ T107] __device_attach+0x217/0x360 [ 40.089186][ T107] ? device_bind_driver+0xd0/0xd0 [ 40.094182][ T107] ? kobject_uevent_env+0x29e/0x1150 [ 40.099435][ T107] ? kobject_uevent_env+0x2a8/0x1150 [ 40.104691][ T107] bus_probe_device+0x1e4/0x290 [ 40.109532][ T107] ? blocking_notifier_call_chain+0x54/0xa0 [ 40.115429][ T107] device_add+0xae6/0x16f0 [ 40.119834][ T107] ? uevent_store+0x50/0x50 [ 40.124320][ T107] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 40.130102][ T107] usb_set_configuration+0xdf6/0x1670 [ 40.135476][ T107] generic_probe+0x9d/0xd5 [ 40.139873][ T107] usb_probe_device+0x99/0x100 [ 40.144622][ T107] ? usb_suspend+0x620/0x620 [ 40.149184][ T107] really_probe+0x281/0x660 [ 40.153662][ T107] driver_probe_device+0x104/0x210 [ 40.159032][ T107] __device_attach_driver+0x1c2/0x220 [ 40.164377][ T107] ? driver_allows_async_probing+0x160/0x160 [ 40.170332][ T107] bus_for_each_drv+0x15c/0x1e0 [ 40.175167][ T107] ? bus_rescan_devices+0x20/0x20 [ 40.180167][ T107] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 40.185957][ T107] ? lockdep_hardirqs_on+0x379/0x580 [ 40.191216][ T107] __device_attach+0x217/0x360 [ 40.195953][ T107] ? device_bind_driver+0xd0/0xd0 [ 40.201306][ T107] ? kobject_uevent_env+0x29e/0x1150 [ 40.206579][ T107] ? kobject_uevent_env+0x2a8/0x1150 [ 40.211837][ T107] bus_probe_device+0x1e4/0x290 [ 40.216662][ T107] ? blocking_notifier_call_chain+0x54/0xa0 [ 40.222528][ T107] device_add+0xae6/0x16f0 [ 40.226920][ T107] ? uevent_store+0x50/0x50 [ 40.231398][ T107] usb_new_device.cold+0x6a4/0xe61 [ 40.236484][ T107] hub_event+0x1abd/0x3550 [ 40.240877][ T107] ? hub_port_debounce+0x260/0x260 [ 40.245963][ T107] process_one_work+0x905/0x1570 [ 40.250966][ T107] ? pwq_dec_nr_in_flight+0x310/0x310 [ 40.256313][ T107] ? do_raw_spin_lock+0x11a/0x280 [ 40.261313][ T107] worker_thread+0x96/0xe20 [ 40.265792][ T107] ? process_one_work+0x1570/0x1570 [ 40.270959][ T107] kthread+0x30b/0x410 [ 40.275014][ T107] ? kthread_park+0x1a0/0x1a0 [ 40.279681][ T107] ret_from_fork+0x24/0x30 [ 40.284680][ T107] Modules linked in: [ 40.288564][ T107] ---[ end trace aaf3bb9fd29f24bb ]--- [ 40.294003][ T107] RIP: 0010:__lock_acquire+0xb9f/0x5340 [ 40.299526][ T107] Code: 28 00 00 00 0f 85 5a 2c 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 8c 2e 00 00 49 81 3e 60 79 3e 88 0f 84 35 f5 ff [ 40.319119][ T107] RSP: 0018:ffff8881d419ef00 EFLAGS: 00010006 [ 40.325161][ T107] RAX: dffffc0000000000 RBX: ffff8881d4693000 RCX: 0000000000000000 [ 40.333112][ T107] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 [ 40.341442][ T107] RBP: ffff8881d419f0b0 R08: 0000000000000001 R09: 0000000000000001 [ 40.349425][ T107] R10: 0000000000000001 R11: ffff8881d4693000 R12: 0000000000000000 [ 40.357376][ T107] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 40.365339][ T107] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 40.374244][ T107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.380891][ T107] CR2: 00007fcd24c21000 CR3: 00000001cfdfc000 CR4: 00000000001406e0 [ 40.388839][ T107] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.396811][ T107] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.404774][ T107] Kernel panic - not syncing: Fatal exception [ 40.411278][ T107] Kernel Offset: disabled [ 40.415586][ T107] Rebooting in 86400 seconds..