INIT: Entering runlevel: 2 [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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.194' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.910904][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.150885][ T21] usb 1-1: Using ep0 maxpacket: 32 [ 49.270981][ T21] usb 1-1: config 0 has an invalid interface number: 215 but max is 0 [ 49.279626][ T21] usb 1-1: config 0 has no interface number 0 [ 49.286670][ T21] usb 1-1: config 0 interface 215 has no altsetting 0 [ 49.293791][ T21] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9375, bcdDevice=1d.3f [ 49.303226][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 49.313643][ T21] usb 1-1: config 0 descriptor?? executing program [ 49.581454][ T21] usb 1-1: string descriptor 0 read error: -71 [ 49.592420][ T21] kasan: CONFIG_KASAN_INLINE enabled [ 49.597734][ T21] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 49.606176][ T21] general protection fault: 0000 [#1] SMP KASAN [ 49.612772][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc1+ #10 [ 49.620546][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.631653][ T21] Workqueue: usb_hub_wq hub_event [ 49.637400][ T21] RIP: 0010:__lock_acquire+0xb9f/0x5340 [ 49.643173][ T21] 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 39 8a 88 0f 84 35 f5 ff [ 49.665612][ T21] RSP: 0018:ffff8881d9efee60 EFLAGS: 00010006 [ 49.672355][ T21] RAX: dffffc0000000000 RBX: ffff8881d9e36000 RCX: 0000000000000000 [ 49.680777][ T21] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 [ 49.689655][ T21] RBP: ffff8881d9eff008 R08: 0000000000000001 R09: 0000000000000001 [ 49.697840][ T21] R10: 0000000000000001 R11: ffff8881d9e36000 R12: 0000000000000000 [ 49.706481][ T21] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 49.715291][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 49.724956][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.731539][ T21] CR2: 00007f4f03931518 CR3: 00000001cff05000 CR4: 00000000001406e0 [ 49.739906][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.748267][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.756499][ T21] Call Trace: [ 49.760581][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 49.766167][ T21] ? stack_depot_save+0x252/0x440 [ 49.771471][ T21] ? save_stack+0x4c/0x80 [ 49.775861][ T21] ? save_stack+0x1b/0x80 [ 49.780480][ T21] ? mark_held_locks+0xe0/0xe0 [ 49.785422][ T21] ? usb_probe_interface+0x305/0x7a0 [ 49.790822][ T21] ? really_probe+0x281/0x660 [ 49.795594][ T21] ? driver_probe_device+0x104/0x210 [ 49.801276][ T21] ? __device_attach_driver+0x1c2/0x220 [ 49.807079][ T21] ? bus_for_each_drv+0x15c/0x1e0 [ 49.812241][ T21] ? __device_attach+0x217/0x360 [ 49.817447][ T21] ? bus_probe_device+0x1e4/0x290 [ 49.822557][ T21] ? device_add+0xae6/0x16f0 [ 49.827148][ T21] ? usb_set_configuration+0xdf6/0x1670 [ 49.832686][ T21] ? generic_probe+0x9d/0xd5 [ 49.837285][ T21] ? usb_probe_device+0x99/0x100 [ 49.842434][ T21] ? really_probe+0x281/0x660 [ 49.847572][ T21] ? driver_probe_device+0x104/0x210 [ 49.852839][ T21] ? __device_attach_driver+0x1c2/0x220 [ 49.858643][ T21] ? bus_for_each_drv+0x15c/0x1e0 [ 49.863874][ T21] ? __device_attach+0x217/0x360 [ 49.868919][ T21] ? bus_probe_device+0x1e4/0x290 [ 49.873945][ T21] ? device_add+0xae6/0x16f0 [ 49.878713][ T21] ? usb_new_device.cold+0x8c1/0x1016 [ 49.884473][ T21] ? hub_event+0x1ada/0x3590 [ 49.889064][ T21] ? process_one_work+0x905/0x1570 [ 49.894178][ T21] ? worker_thread+0x96/0xe20 [ 49.898968][ T21] ? kthread+0x30b/0x410 [ 49.903362][ T21] ? ret_from_fork+0x24/0x30 [ 49.908085][ T21] lock_acquire+0x100/0x2b0 [ 49.912593][ T21] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 49.918790][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 49.924114][ T21] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 49.930279][ T21] ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 49.936269][ T21] ath6kl_usb_post_recv_transfers.constprop.0+0x22e/0x400 [ 49.943445][ T21] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 49.949263][ T21] ath6kl_usb_power_on+0x88/0x120 [ 49.954291][ T21] ath6kl_core_init+0x1ae/0x1040 [ 49.959371][ T21] ? ath6kl_core_destroy+0x20/0x20 [ 49.964485][ T21] ? memcpy+0x35/0x50 [ 49.968481][ T21] ? ath6kl_core_create+0x7a5/0x960 [ 49.973676][ T21] ath6kl_usb_probe+0xc7a/0x1180 [ 49.978750][ T21] usb_probe_interface+0x305/0x7a0 [ 49.983856][ T21] ? usb_probe_device+0x100/0x100 [ 49.988881][ T21] really_probe+0x281/0x660 [ 49.993565][ T21] driver_probe_device+0x104/0x210 [ 49.998683][ T21] __device_attach_driver+0x1c2/0x220 [ 50.004091][ T21] ? driver_allows_async_probing+0x160/0x160 [ 50.010061][ T21] bus_for_each_drv+0x15c/0x1e0 [ 50.015061][ T21] ? bus_rescan_devices+0x20/0x20 [ 50.020248][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 50.026192][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 50.031578][ T21] __device_attach+0x217/0x360 [ 50.036478][ T21] ? device_bind_driver+0xd0/0xd0 [ 50.041652][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 50.047458][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 50.053276][ T21] bus_probe_device+0x1e4/0x290 [ 50.058343][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 50.064887][ T21] device_add+0xae6/0x16f0 [ 50.069623][ T21] ? uevent_store+0x50/0x50 [ 50.074133][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 50.079969][ T21] usb_set_configuration+0xdf6/0x1670 [ 50.085435][ T21] generic_probe+0x9d/0xd5 [ 50.090167][ T21] usb_probe_device+0x99/0x100 [ 50.094985][ T21] ? usb_suspend+0x620/0x620 [ 50.099846][ T21] really_probe+0x281/0x660 [ 50.104486][ T21] driver_probe_device+0x104/0x210 [ 50.109617][ T21] __device_attach_driver+0x1c2/0x220 [ 50.115273][ T21] ? driver_allows_async_probing+0x160/0x160 [ 50.121553][ T21] bus_for_each_drv+0x15c/0x1e0 [ 50.126644][ T21] ? bus_rescan_devices+0x20/0x20 [ 50.131666][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 50.137592][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 50.143244][ T21] __device_attach+0x217/0x360 [ 50.149162][ T21] ? device_bind_driver+0xd0/0xd0 [ 50.154629][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 50.160083][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 50.165989][ T21] bus_probe_device+0x1e4/0x290 [ 50.170983][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 50.179212][ T21] device_add+0xae6/0x16f0 [ 50.187440][ T21] ? uevent_store+0x50/0x50 [ 50.192755][ T21] usb_new_device.cold+0x8c1/0x1016 [ 50.198588][ T21] ? usb_port_suspend+0xa40/0xa40 [ 50.204307][ T21] ? mark_held_locks+0x9f/0xe0 [ 50.211710][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 50.218073][ T21] hub_event+0x1ada/0x3590 [ 50.222946][ T21] ? hub_port_debounce+0x260/0x260 [ 50.228522][ T21] process_one_work+0x905/0x1570 [ 50.234275][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 50.239856][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 50.244893][ T21] worker_thread+0x96/0xe20 [ 50.250379][ T21] ? process_one_work+0x1570/0x1570 [ 50.255677][ T21] kthread+0x30b/0x410 [ 50.259995][ T21] ? kthread_park+0x1a0/0x1a0 [ 50.264667][ T21] ret_from_fork+0x24/0x30 [ 50.269239][ T21] Modules linked in: [ 50.273136][ T21] ---[ end trace 675170698d90b623 ]--- [ 50.278840][ T21] RIP: 0010:__lock_acquire+0xb9f/0x5340 [ 50.284635][ T21] 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 39 8a 88 0f 84 35 f5 ff [ 50.307602][ T21] RSP: 0018:ffff8881d9efee60 EFLAGS: 00010006 [ 50.314079][ T21] RAX: dffffc0000000000 RBX: ffff8881d9e36000 RCX: 0000000000000000 [ 50.322184][ T21] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 [ 50.330300][ T21] RBP: ffff8881d9eff008 R08: 0000000000000001 R09: 0000000000000001 [ 50.338559][ T21] R10: 0000000000000001 R11: ffff8881d9e36000 R12: 0000000000000000 [ 50.346827][ T21] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 50.355273][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 50.364728][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.371493][ T21] CR2: 00007f4f03931518 CR3: 00000001cff05000 CR4: 00000000001406e0 [ 50.380183][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.388263][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.396566][ T21] Kernel panic - not syncing: Fatal exception [ 50.404148][ T21] Kernel Offset: disabled [ 50.408586][ T21] Rebooting in 86400 seconds..