[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. [ 15.563568][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.558684][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 42.798628][ T83] usb 1-1: Using ep0 maxpacket: 16 [ 42.958622][ T83] usb 1-1: unable to get BOS descriptor or descriptor too short [ 43.038762][ T83] usb 1-1: config 1 has an invalid interface number: 16 but max is 0 [ 43.047151][ T83] usb 1-1: config 1 has an invalid interface descriptor of length 2, skipping [ 43.056253][ T83] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 43.066415][ T83] usb 1-1: config 1 has no interface number 0 [ 43.072878][ T83] usb 1-1: config 1 interface 16 altsetting 7 has an invalid endpoint with address 0x0, skipping [ 43.083508][ T83] usb 1-1: config 1 interface 16 has no altsetting 0 [ 43.328645][ T83] usb 1-1: string descriptor 0 read error: -22 [ 43.334869][ T83] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9374, bcdDevice= a.52 [ 43.343935][ T83] usb 1-1: New USB device strings: Mfr=2, Product=5, SerialNumber=0 [ 43.390840][ T83] kasan: CONFIG_KASAN_INLINE enabled [ 43.396132][ T83] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.404178][ T83] general protection fault: 0000 [#1] SMP KASAN [ 43.410391][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0-rc2+ #25 [ 43.417859][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.427943][ T83] Workqueue: usb_hub_wq hub_event [ 43.432959][ T83] RIP: 0010:__lock_acquire+0x10b0/0x3b50 [ 43.438585][ T83] Code: 00 0f 85 5a 1e 00 00 48 81 c4 f0 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 56 1f 00 00 49 81 3e e0 08 67 88 0f 84 11 f0 ff [ 43.458172][ T83] RSP: 0018:ffff8881d933efa0 EFLAGS: 00010006 [ 43.464213][ T83] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.472160][ T83] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018 [ 43.480110][ T83] RBP: ffff8881d973e000 R08: 0000000000000001 R09: 0000000000000001 [ 43.488056][ T83] R10: fffffbfff0f1393f R11: ffffffff8789c9ff R12: 0000000000000001 [ 43.496001][ T83] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 43.503949][ T83] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 43.512894][ T83] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.519460][ T83] CR2: 00007f203cf58000 CR3: 00000001d3935000 CR4: 00000000001406e0 [ 43.527407][ T83] Call Trace: [ 43.530687][ T83] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 43.536484][ T83] ? ath6kl_core_init+0xf3/0x10b0 [ 43.541487][ T83] ? ath6kl_usb_probe+0xc7a/0x1180 [ 43.546572][ T83] ? usb_probe_interface+0x305/0x7a0 [ 43.551838][ T83] ? really_probe+0x281/0x650 [ 43.556490][ T83] ? driver_probe_device+0x101/0x1b0 [ 43.561747][ T83] ? __device_attach_driver+0x1c2/0x220 [ 43.567261][ T83] ? bus_for_each_drv+0x15c/0x1e0 [ 43.572268][ T83] ? __device_attach+0x217/0x360 [ 43.577236][ T83] ? bus_probe_device+0x1e4/0x290 [ 43.582332][ T83] ? device_add+0xae6/0x16f0 [ 43.586952][ T83] ? usb_set_configuration+0xdf6/0x1670 [ 43.592479][ T83] ? generic_probe+0x9d/0xd5 [ 43.597044][ T83] ? usb_probe_device+0x99/0x100 [ 43.601958][ T83] ? really_probe+0x281/0x650 [ 43.606603][ T83] ? driver_probe_device+0x101/0x1b0 [ 43.611873][ T83] ? mark_held_locks+0xe0/0xe0 [ 43.616615][ T83] ? bus_probe_device+0x1e4/0x290 [ 43.621615][ T83] ? device_add+0xae6/0x16f0 [ 43.626179][ T83] ? usb_new_device.cold+0x6a4/0xe79 [ 43.631437][ T83] ? hub_event+0x1b5c/0x3640 [ 43.636005][ T83] ? process_one_work+0x92b/0x1530 [ 43.641094][ T83] ? worker_thread+0x96/0xe20 [ 43.645744][ T83] ? kthread+0x318/0x420 [ 43.649967][ T83] ? ret_from_fork+0x24/0x30 [ 43.654532][ T83] lock_acquire+0x127/0x320 [ 43.659013][ T83] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 43.665196][ T83] _raw_spin_lock_irqsave+0x32/0x50 [ 43.670376][ T83] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 43.676498][ T83] ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 43.682451][ T83] ath6kl_usb_post_recv_transfers.constprop.0+0x22e/0x400 [ 43.689532][ T83] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 43.695360][ T83] ath6kl_usb_power_on+0x88/0x120 [ 43.700362][ T83] ath6kl_core_init+0x154/0x10b0 [ 43.705273][ T83] ? ath6kl_core_destroy+0x20/0x20 [ 43.710357][ T83] ? memcpy+0x35/0x50 [ 43.714308][ T83] ? ath6kl_core_create+0x7d4/0x987 [ 43.719481][ T83] ath6kl_usb_probe+0xc7a/0x1180 [ 43.724395][ T83] usb_probe_interface+0x305/0x7a0 [ 43.729477][ T83] ? usb_probe_device+0x100/0x100 [ 43.734472][ T83] really_probe+0x281/0x650 [ 43.738951][ T83] driver_probe_device+0x101/0x1b0 [ 43.744470][ T83] __device_attach_driver+0x1c2/0x220 [ 43.749865][ T83] ? driver_allows_async_probing+0x160/0x160 [ 43.755824][ T83] bus_for_each_drv+0x15c/0x1e0 [ 43.760652][ T83] ? bus_rescan_devices+0x20/0x20 [ 43.765648][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.771437][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 43.776733][ T83] __device_attach+0x217/0x360 [ 43.781477][ T83] ? device_bind_driver+0xd0/0xd0 [ 43.786473][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 43.791728][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 43.797004][ T83] bus_probe_device+0x1e4/0x290 [ 43.801921][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.807788][ T83] device_add+0xae6/0x16f0 [ 43.812182][ T83] ? uevent_store+0x50/0x50 [ 43.816657][ T83] usb_set_configuration+0xdf6/0x1670 [ 43.822007][ T83] generic_probe+0x9d/0xd5 [ 43.826395][ T83] usb_probe_device+0x99/0x100 [ 43.831127][ T83] ? usb_suspend+0x620/0x620 [ 43.835689][ T83] really_probe+0x281/0x650 [ 43.840186][ T83] driver_probe_device+0x101/0x1b0 [ 43.845324][ T83] __device_attach_driver+0x1c2/0x220 [ 43.850678][ T83] ? driver_allows_async_probing+0x160/0x160 [ 43.856640][ T83] bus_for_each_drv+0x15c/0x1e0 [ 43.861467][ T83] ? bus_rescan_devices+0x20/0x20 [ 43.866590][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.872445][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 43.877708][ T83] __device_attach+0x217/0x360 [ 43.882448][ T83] ? device_bind_driver+0xd0/0xd0 [ 43.887456][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 43.892712][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 43.897972][ T83] bus_probe_device+0x1e4/0x290 [ 43.902810][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.908677][ T83] device_add+0xae6/0x16f0 [ 43.913064][ T83] ? uevent_store+0x50/0x50 [ 43.917540][ T83] usb_new_device.cold+0x6a4/0xe79 [ 43.922629][ T83] hub_event+0x1b5c/0x3640 [ 43.927032][ T83] ? hub_port_debounce+0x260/0x260 [ 43.932121][ T83] process_one_work+0x92b/0x1530 [ 43.937034][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.942379][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 43.947387][ T83] worker_thread+0x96/0xe20 [ 43.951862][ T83] ? process_one_work+0x1530/0x1530 [ 43.957031][ T83] kthread+0x318/0x420 [ 43.961070][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 43.966551][ T83] ret_from_fork+0x24/0x30 [ 43.970948][ T83] Modules linked in: [ 43.974822][ T83] ---[ end trace 1da5953c82055ec9 ]--- [ 43.980254][ T83] RIP: 0010:__lock_acquire+0x10b0/0x3b50 [ 43.985856][ T83] Code: 00 0f 85 5a 1e 00 00 48 81 c4 f0 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 56 1f 00 00 49 81 3e e0 08 67 88 0f 84 11 f0 ff [ 44.010297][ T83] RSP: 0018:ffff8881d933efa0 EFLAGS: 00010006 [ 44.016693][ T83] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.024639][ T83] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018 [ 44.032608][ T83] RBP: ffff8881d973e000 R08: 0000000000000001 R09: 0000000000000001 [ 44.040554][ T83] R10: fffffbfff0f1393f R11: ffffffff8789c9ff R12: 0000000000000001 [ 44.048557][ T83] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 44.056511][ T83] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 44.065416][ T83] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.072013][ T83] CR2: 00007f203cf58000 CR3: 00000001d3935000 CR4: 00000000001406e0 [ 44.080085][ T83] Kernel panic - not syncing: Fatal exception [ 44.086615][ T83] Kernel Offset: disabled [ 44.090923][ T83] Rebooting in 86400 seconds..