[....] 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[ 12.283790][ T1663] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 14.276352][ T1696] random: sshd: uninitialized urandom read (32 bytes read) [ 14.401938][ T1699] random: sshd: uninitialized urandom read (32 bytes read) [ 14.768490][ C0] random: crng init done Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. executing program [ 20.692402][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 20.932371][ T17] usb 1-1: Using ep0 maxpacket: 8 [ 21.052424][ T17] usb 1-1: config 0 has an invalid interface number: 239 but max is 0 [ 21.060619][ T17] usb 1-1: config 0 has no interface number 0 [ 21.066719][ T17] usb 1-1: config 0 interface 239 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 21.076517][ T17] usb 1-1: config 0 interface 239 altsetting 0 bulk endpoint 0x8B has invalid maxpacket 0 [ 21.086531][ T17] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9374, bcdDevice=11.10 [ 21.095549][ T17] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 21.104460][ T17] usb 1-1: config 0 descriptor?? executing program [ 21.382521][ T17] usb 1-1: string descriptor 0 read error: -71 [ 21.391979][ T17] kasan: CONFIG_KASAN_INLINE enabled [ 21.397269][ T17] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 21.405315][ T17] general protection fault: 0000 [#1] SMP KASAN [ 21.411517][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.3.0-rc5+ #28 [ 21.418930][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.428965][ T17] Workqueue: usb_hub_wq hub_event [ 21.433972][ T17] RIP: 0010:__lock_acquire+0x10b0/0x3b50 [ 21.439566][ T17] 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 58 67 88 0f 84 11 f0 ff [ 21.459131][ T17] RSP: 0018:ffff8881da24efa0 EFLAGS: 00010006 [ 21.465160][ T17] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 21.473095][ T17] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018 [ 21.481029][ T17] RBP: ffff8881da233000 R08: 0000000000000001 R09: 0000000000000001 [ 21.488963][ T17] R10: fffffbfff0f13c37 R11: ffffffff8789e1bf R12: 0000000000000001 [ 21.496897][ T17] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 21.504833][ T17] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 21.513723][ T17] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.520276][ T17] CR2: 00007f7cbd6a5518 CR3: 00000001d136b000 CR4: 00000000001406e0 [ 21.528212][ T17] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.536145][ T17] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.544079][ T17] Call Trace: [ 21.547333][ T17] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 21.553101][ T17] ? ath6kl_core_init+0xf3/0x10b0 [ 21.558086][ T17] ? ath6kl_usb_probe+0xc7a/0x1180 [ 21.563164][ T17] ? usb_probe_interface+0x305/0x7a0 [ 21.568418][ T17] ? really_probe+0x281/0x6d0 [ 21.573056][ T17] ? driver_probe_device+0x101/0x1b0 [ 21.578307][ T17] ? __device_attach_driver+0x1c2/0x220 [ 21.583815][ T17] ? bus_for_each_drv+0x162/0x1e0 [ 21.588801][ T17] ? __device_attach+0x217/0x360 [ 21.593701][ T17] ? bus_probe_device+0x1e4/0x290 [ 21.598687][ T17] ? device_add+0xae6/0x16f0 [ 21.603241][ T17] ? usb_set_configuration+0xdf6/0x1670 [ 21.608748][ T17] ? generic_probe+0x9d/0xd5 [ 21.613304][ T17] ? usb_probe_device+0x99/0x100 [ 21.618204][ T17] ? really_probe+0x281/0x6d0 [ 21.622845][ T17] ? driver_probe_device+0x101/0x1b0 [ 21.628093][ T17] ? mark_held_locks+0xe0/0xe0 [ 21.632819][ T17] ? bus_probe_device+0x1e4/0x290 [ 21.637804][ T17] ? device_add+0xae6/0x16f0 [ 21.642359][ T17] ? usb_new_device.cold+0x6a4/0xe79 [ 21.647615][ T17] ? hub_event+0x1b5c/0x3640 [ 21.652168][ T17] ? process_one_work+0x92b/0x1530 [ 21.657246][ T17] ? worker_thread+0x96/0xe20 [ 21.661888][ T17] ? kthread+0x318/0x420 [ 21.666094][ T17] ? ret_from_fork+0x24/0x30 [ 21.670652][ T17] lock_acquire+0x127/0x320 [ 21.675125][ T17] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 21.681243][ T17] _raw_spin_lock_irqsave+0x32/0x50 [ 21.686404][ T17] ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 21.692606][ T17] ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0 [ 21.698667][ T17] ath6kl_usb_post_recv_transfers.constprop.0+0x22e/0x400 [ 21.705738][ T17] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 21.711509][ T17] ath6kl_usb_power_on+0x88/0x120 [ 21.716495][ T17] ath6kl_core_init+0x154/0x10b0 [ 21.721396][ T17] ? ath6kl_core_destroy+0x20/0x20 [ 21.726472][ T17] ? memcpy+0x35/0x50 [ 21.730421][ T17] ? ath6kl_core_create+0x7d4/0x987 [ 21.735581][ T17] ath6kl_usb_probe+0xc7a/0x1180 [ 21.740483][ T17] usb_probe_interface+0x305/0x7a0 [ 21.745557][ T17] ? usb_probe_device+0x100/0x100 [ 21.750544][ T17] really_probe+0x281/0x6d0 [ 21.755010][ T17] driver_probe_device+0x101/0x1b0 [ 21.760084][ T17] __device_attach_driver+0x1c2/0x220 [ 21.765528][ T17] ? driver_allows_async_probing+0x160/0x160 [ 21.771469][ T17] bus_for_each_drv+0x162/0x1e0 [ 21.776281][ T17] ? bus_rescan_devices+0x20/0x20 [ 21.781275][ T17] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 21.787045][ T17] ? lockdep_hardirqs_on+0x379/0x580 [ 21.792291][ T17] __device_attach+0x217/0x360 [ 21.797019][ T17] ? device_bind_driver+0xd0/0xd0 [ 21.802022][ T17] ? kobject_uevent_env+0x29e/0x1160 [ 21.807270][ T17] ? kobject_uevent_env+0x2a8/0x1160 [ 21.812519][ T17] bus_probe_device+0x1e4/0x290 [ 21.817332][ T17] ? blocking_notifier_call_chain+0x54/0xa0 [ 21.823189][ T17] device_add+0xae6/0x16f0 [ 21.827567][ T17] ? uevent_store+0x50/0x50 [ 21.832043][ T17] usb_set_configuration+0xdf6/0x1670 [ 21.837379][ T17] generic_probe+0x9d/0xd5 [ 21.841755][ T17] usb_probe_device+0x99/0x100 [ 21.846480][ T17] ? usb_suspend+0x620/0x620 [ 21.851035][ T17] really_probe+0x281/0x6d0 [ 21.855503][ T17] driver_probe_device+0x101/0x1b0 [ 21.860576][ T17] __device_attach_driver+0x1c2/0x220 [ 21.865910][ T17] ? driver_allows_async_probing+0x160/0x160 [ 21.871968][ T17] bus_for_each_drv+0x162/0x1e0 [ 21.876795][ T17] ? bus_rescan_devices+0x20/0x20 [ 21.881781][ T17] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 21.887549][ T17] ? lockdep_hardirqs_on+0x379/0x580 [ 21.892795][ T17] __device_attach+0x217/0x360 [ 21.897523][ T17] ? device_bind_driver+0xd0/0xd0 [ 21.902508][ T17] ? kobject_uevent_env+0x29e/0x1160 [ 21.907757][ T17] ? kobject_uevent_env+0x2a8/0x1160 [ 21.913007][ T17] bus_probe_device+0x1e4/0x290 [ 21.917819][ T17] ? blocking_notifier_call_chain+0x54/0xa0 [ 21.923674][ T17] device_add+0xae6/0x16f0 [ 21.928052][ T17] ? uevent_store+0x50/0x50 [ 21.932516][ T17] usb_new_device.cold+0x6a4/0xe79 [ 21.937590][ T17] hub_event+0x1b5c/0x3640 [ 21.941971][ T17] ? hub_port_debounce+0x260/0x260 [ 21.947056][ T17] process_one_work+0x92b/0x1530 [ 21.951959][ T17] ? pwq_dec_nr_in_flight+0x310/0x310 [ 21.957297][ T17] ? do_raw_spin_lock+0x11a/0x280 [ 21.962282][ T17] worker_thread+0x96/0xe20 [ 21.966750][ T17] ? process_one_work+0x1530/0x1530 [ 21.971921][ T17] kthread+0x318/0x420 [ 21.975952][ T17] ? kthread_create_on_node+0xf0/0xf0 [ 21.981285][ T17] ret_from_fork+0x24/0x30 [ 21.985660][ T17] Modules linked in: [ 21.989521][ T17] ---[ end trace b9f411e8f8b6b649 ]--- [ 21.994945][ T17] RIP: 0010:__lock_acquire+0x10b0/0x3b50 [ 22.000550][ T17] 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 58 67 88 0f 84 11 f0 ff [ 22.020115][ T17] RSP: 0018:ffff8881da24efa0 EFLAGS: 00010006 [ 22.026143][ T17] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 22.034077][ T17] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018 [ 22.042014][ T17] RBP: ffff8881da233000 R08: 0000000000000001 R09: 0000000000000001 [ 22.049948][ T17] R10: fffffbfff0f13c37 R11: ffffffff8789e1bf R12: 0000000000000001 [ 22.057897][ T17] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000 [ 22.065836][ T17] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 22.074734][ T17] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.081281][ T17] CR2: 00007f7cbd6a5518 CR3: 00000001d136b000 CR4: 00000000001406e0 [ 22.089217][ T17] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.097153][ T17] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.105087][ T17] Kernel panic - not syncing: Fatal exception [ 22.111588][ T17] Kernel Offset: disabled [ 22.115885][ T17] Rebooting in 86400 seconds..