[[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [ 15.329410][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.139968][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 42.379909][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 42.499951][ T21] usb 1-1: config 254 has an invalid interface number: 77 but max is 0 [ 42.508255][ T21] usb 1-1: config 254 has no interface number 0 [ 42.514573][ T21] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9375, bcdDevice=86.77 [ 42.523620][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.573201][ T21] kasan: CONFIG_KASAN_INLINE enabled [ 42.578494][ T21] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.586540][ T21] general protection fault: 0000 [#1] SMP KASAN [ 42.592786][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 [ 42.600225][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.610280][ T21] Workqueue: usb_hub_wq hub_event [ 42.615302][ T21] RIP: 0010:__lock_acquire+0xb9f/0x5340 [ 42.620852][ 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 49 8a 88 0f 84 35 f5 ff [ 42.640449][ T21] RSP: 0000:ffff8881d9efee60 EFLAGS: 00010006 [ 42.646518][ T21] RAX: dffffc0000000000 RBX: ffff8881d9e36000 RCX: 0000000000000000 [ 42.654480][ T21] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 [ 42.662440][ T21] RBP: ffff8881d9eff008 R08: 0000000000000001 R09: 0000000000000001 [ 42.670402][ T21] R10: 0000000000000001 R11: ffff8881d9e36000 R12: 0000000000000000 [ 42.678360][ T21] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 42.686325][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 42.695249][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.701827][ T21] CR2: 00007ffde27e8f48 CR3: 00000001cfeb6000 CR4: 00000000001406e0 [ 42.709791][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.717780][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.725851][ T21] Call Trace: [ 42.729163][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 42.734456][ T21] ? stack_depot_save+0x252/0x440 [ 42.739483][ T21] ? save_stack+0x4c/0x80 [ 42.743799][ T21] ? save_stack+0x1b/0x80 [ 42.748118][ T21] ? mark_held_locks+0xe0/0xe0 [ 42.752873][ T21] ? usb_probe_interface+0x305/0x7a0 [ 42.758149][ T21] ? really_probe+0x281/0x660 [ 42.762818][ T21] ? driver_probe_device+0x104/0x210 [ 42.768091][ T21] ? __device_attach_driver+0x1c2/0x220 [ 42.773618][ T21] ? bus_for_each_drv+0x15c/0x1e0 [ 42.778624][ T21] ? __device_attach+0x217/0x360 [ 42.783549][ T21] ? bus_probe_device+0x1e4/0x290 [ 42.788565][ T21] ? device_add+0xae6/0x16f0 [ 42.793149][ T21] ? usb_set_configuration+0xdf6/0x1670 [ 42.798685][ T21] ? generic_probe+0x9d/0xd5 [ 42.803263][ T21] ? usb_probe_device+0x99/0x100 [ 42.808188][ T21] ? really_probe+0x281/0x660 [ 42.812872][ T21] ? driver_probe_device+0x104/0x210 [ 42.818158][ T21] ? __device_attach_driver+0x1c2/0x220 [ 42.823699][ T21] ? bus_for_each_drv+0x15c/0x1e0 [ 42.828719][ T21] ? __device_attach+0x217/0x360 [ 42.833653][ T21] ? bus_probe_device+0x1e4/0x290 [ 42.838670][ T21] ? device_add+0xae6/0x16f0 [ 42.843255][ T21] ? usb_new_device.cold+0x8c1/0x1016 [ 42.848615][ T21] ? hub_event+0x1ada/0x3590 [ 42.853202][ T21] ? process_one_work+0x905/0x1570 [ 42.858319][ T21] ? worker_thread+0x96/0xe20 [ 42.863073][ T21] ? kthread+0x30b/0x410 [ 42.867321][ T21] ? ret_from_fork+0x24/0x30 [ 42.871907][ T21] lock_acquire+0x100/0x2b0 [ 42.876409][ T21] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 42.882551][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 42.887743][ T21] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 42.893888][ T21] ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 42.899861][ T21] ath6kl_usb_post_recv_transfers.constprop.0+0x22e/0x400 [ 42.906969][ T21] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 42.913636][ T21] ath6kl_usb_power_on+0x88/0x120 [ 42.918657][ T21] ath6kl_core_init+0x1ae/0x1040 [ 42.923595][ T21] ? ath6kl_core_destroy+0x20/0x20 [ 42.928695][ T21] ? memcpy+0x35/0x50 [ 42.932670][ T21] ? ath6kl_core_create+0x7a5/0x960 [ 42.937857][ T21] ath6kl_usb_probe+0xc7a/0x1180 [ 42.942963][ T21] usb_probe_interface+0x305/0x7a0 [ 42.948080][ T21] ? usb_probe_device+0x100/0x100 [ 42.953099][ T21] really_probe+0x281/0x660 [ 42.957953][ T21] driver_probe_device+0x104/0x210 [ 42.963075][ T21] __device_attach_driver+0x1c2/0x220 [ 42.968444][ T21] ? driver_allows_async_probing+0x160/0x160 [ 42.974431][ T21] bus_for_each_drv+0x15c/0x1e0 [ 42.979272][ T21] ? bus_rescan_devices+0x20/0x20 [ 42.984285][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.990105][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 42.995413][ T21] __device_attach+0x217/0x360 [ 43.000176][ T21] ? device_bind_driver+0xd0/0xd0 [ 43.005195][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 43.010468][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 43.015767][ T21] bus_probe_device+0x1e4/0x290 [ 43.020619][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.026506][ T21] device_add+0xae6/0x16f0 [ 43.030918][ T21] ? uevent_store+0x50/0x50 [ 43.035417][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.041211][ T21] usb_set_configuration+0xdf6/0x1670 [ 43.046577][ T21] generic_probe+0x9d/0xd5 [ 43.050984][ T21] usb_probe_device+0x99/0x100 [ 43.055736][ T21] ? usb_suspend+0x620/0x620 [ 43.060322][ T21] really_probe+0x281/0x660 [ 43.064821][ T21] driver_probe_device+0x104/0x210 [ 43.069926][ T21] __device_attach_driver+0x1c2/0x220 [ 43.075288][ T21] ? driver_allows_async_probing+0x160/0x160 [ 43.081256][ T21] bus_for_each_drv+0x15c/0x1e0 [ 43.086090][ T21] ? bus_rescan_devices+0x20/0x20 [ 43.091100][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.096893][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 43.102163][ T21] __device_attach+0x217/0x360 [ 43.106919][ T21] ? device_bind_driver+0xd0/0xd0 [ 43.111938][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 43.117220][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 43.122492][ T21] bus_probe_device+0x1e4/0x290 [ 43.127334][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.133214][ T21] device_add+0xae6/0x16f0 [ 43.137623][ T21] ? uevent_store+0x50/0x50 [ 43.142122][ T21] usb_new_device.cold+0x8c1/0x1016 [ 43.147318][ T21] ? usb_port_suspend+0xa40/0xa40 [ 43.152335][ T21] ? mark_held_locks+0x9f/0xe0 [ 43.157110][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 43.162306][ T21] hub_event+0x1ada/0x3590 [ 43.166714][ T21] ? hub_port_debounce+0x260/0x260 [ 43.171819][ T21] process_one_work+0x905/0x1570 [ 43.176740][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.182104][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 43.187120][ T21] worker_thread+0x96/0xe20 [ 43.191615][ T21] ? process_one_work+0x1570/0x1570 [ 43.196797][ T21] kthread+0x30b/0x410 [ 43.200852][ T21] ? kthread_park+0x1a0/0x1a0 [ 43.205514][ T21] ret_from_fork+0x24/0x30 [ 43.209907][ T21] Modules linked in: [ 43.213800][ T21] ---[ end trace 9e729e2438f55639 ]--- [ 43.219251][ T21] RIP: 0010:__lock_acquire+0xb9f/0x5340 [ 43.224788][ 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 49 8a 88 0f 84 35 f5 ff [ 43.244382][ T21] RSP: 0000:ffff8881d9efee60 EFLAGS: 00010006 [ 43.250441][ T21] RAX: dffffc0000000000 RBX: ffff8881d9e36000 RCX: 0000000000000000 [ 43.258405][ T21] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 [ 43.271666][ T21] RBP: ffff8881d9eff008 R08: 0000000000000001 R09: 0000000000000001 [ 43.279630][ T21] R10: 0000000000000001 R11: ffff8881d9e36000 R12: 0000000000000000 [ 43.287598][ T21] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 43.295566][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 43.304493][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.311071][ T21] CR2: 00007ffde27e8f48 CR3: 00000001cfeb6000 CR4: 00000000001406e0 [ 43.319040][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.327005][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.334964][ T21] Kernel panic - not syncing: Fatal exception [ 43.341328][ T21] Kernel Offset: disabled [ 43.345640][ T21] Rebooting in 86400 seconds..