[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 14.884062][ C0] random: crng init done [?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 '10.128.0.246' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 22.682044][ T21] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 23.042115][ T21] usb 1-1: config 0 has an invalid interface number: 210 but max is 0 [ 23.050385][ T21] usb 1-1: config 0 has no interface number 0 [ 23.056525][ T21] usb 1-1: New USB device found, idVendor=0af7, idProduct=0101, bcdDevice=b3.35 [ 23.065568][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 23.074821][ T21] usb 1-1: config 0 descriptor?? [ 23.114012][ T21] flexcop_usb: running at FULL speed. executing program [ 23.322120][ T21] flexcop_usb: error while writing dword from 34 (520). [ 23.342087][ T21] flexcop_usb: error while writing dword from 36 (528). [ 23.392069][ T21] flexcop_usb: error while reading dword from 161 (516). [ 23.412072][ T21] flexcop_usb: error while writing dword from 33 (516). [ 23.462078][ T21] flexcop_usb: error while writing dword from 33 (516). [ 23.482107][ T21] flexcop_usb: error while reading dword from 161 (516). [ 23.502069][ T21] flexcop_usb: error while reading dword from 247 (1820). [ 23.522053][ T21] flexcop_usb: error while writing dword from 119 (1820). [ 23.542067][ T21] flexcop_usb: error while reading dword from 176 (768). [ 23.562082][ T21] flexcop_usb: error while reading dword from 162 (520). [ 23.582075][ T21] flexcop_usb: error while writing dword from 48 (768). [ 23.602074][ T21] flexcop_usb: error while writing dword from 34 (520). [ 23.622080][ T21] flexcop_usb: error while reading dword from 176 (768). [ 23.642078][ T21] flexcop_usb: error while reading dword from 162 (520). [ 23.662062][ T21] flexcop_usb: error while writing dword from 48 (768). [ 23.682066][ T21] flexcop_usb: error while writing dword from 34 (520). [ 23.702087][ T21] flexcop_usb: error while reading dword from 177 (772). [ 23.722077][ T21] flexcop_usb: error while reading dword from 162 (520). [ 23.742069][ T21] flexcop_usb: error while writing dword from 49 (772). [ 23.762084][ T21] flexcop_usb: error while writing dword from 34 (520). [ 23.782086][ T21] flexcop_usb: error while reading dword from 177 (772). [ 23.802061][ T21] flexcop_usb: error while reading dword from 162 (520). [ 23.822072][ T21] flexcop_usb: error while writing dword from 49 (772). [ 23.842043][ T21] flexcop_usb: error while writing dword from 34 (520). [ 23.862046][ T21] flexcop_usb: error while reading dword from 178 (776). [ 23.882069][ T21] flexcop_usb: error while reading dword from 162 (520). [ 23.902068][ T21] flexcop_usb: error while writing dword from 50 (776). [ 23.922071][ T21] flexcop_usb: error while writing dword from 34 (520). [ 23.942076][ T21] flexcop_usb: error while reading dword from 178 (776). [ 23.962089][ T21] flexcop_usb: error while reading dword from 162 (520). [ 23.982062][ T21] flexcop_usb: error while writing dword from 50 (776). [ 24.002080][ T21] flexcop_usb: error while writing dword from 34 (520). [ 24.022089][ T21] flexcop_usb: error while writing dword from 51 (780). [ 24.042071][ T21] flexcop_usb: error while reading dword from 162 (520). [ 24.062087][ T21] flexcop_usb: error while writing dword from 34 (520). [ 24.082075][ T21] flexcop_usb: error while reading dword from 178 (776). [ 24.102072][ T21] flexcop_usb: error while writing dword from 50 (776). [ 24.122088][ T21] flexcop_usb: error while reading dword from 162 (520). [ 24.142071][ T21] flexcop_usb: error while writing dword from 34 (520). [ 24.162069][ T21] flexcop_usb: error while reading dword from 162 (520). [ 24.182030][ T21] flexcop_usb: error while writing dword from 34 (520). [ 24.189075][ T21] dvbdev: DVB: registering new adapter (FlexCop Digital TV device) [ 24.232118][ T21] b2c2-flexcop: reading of MAC address failed. [ 24.232118][ T21] [ 24.302121][ T21] CX24123: wrong demod revision: 0 [ 24.602103][ T21] nxt200x: Unknown/Unsupported NXT chip: 00 00 00 00 00 [ 24.622098][ T21] lgdt330x 0-0059: Demod loaded for LGDT3303 chip [ 24.629330][ T21] tuner-simple 0-0061: creating new instance [ 24.635652][ T21] tuner-simple 0-0061: type set to 64 (LG TDVS-H06xF) [ 24.642499][ T21] b2c2-flexcop: found 'LG Electronics LGDT3303 VSB/QAM Frontend' . [ 24.650539][ T21] usb 1-1: DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3303 VSB/QAM Frontend)... [ 24.662465][ T21] b2c2-flexcop: initialization of 'Air2PC/AirStar 2 ATSC 3rd generation (HD5000)' at the 'USB' bus controlled by a 'FlexCopIII' complete [ 24.676489][ T21] kasan: CONFIG_KASAN_INLINE enabled [ 24.681797][ T21] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 24.690268][ T21] general protection fault: 0000 [#1] SMP KASAN [ 24.696507][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.3.0-rc5+ #28 [ 24.704221][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.714278][ T21] Workqueue: usb_hub_wq hub_event [ 24.719368][ T21] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x7bd [ 24.725552][ T21] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 d1 de 61 fd 48 8b 5b 18 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 c1 [ 24.745473][ T21] RSP: 0018:ffff8881da2f72e8 EFLAGS: 00010247 [ 24.751803][ T21] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8402a6ab [ 24.759845][ T21] RDX: 0000000000000000 RSI: ffffffff8402a76b RDI: 0000000000000004 [ 24.767889][ T21] RBP: ffff8881d30ac408 R08: ffff8881da236000 R09: ffffed103b665d58 [ 24.775850][ T21] R10: ffffed103b665d57 R11: ffff8881db32eabf R12: ffff8881d30ac448 [ 24.784119][ T21] R13: 0000000000000000 R14: ffff8881d30ac400 R15: ffff8881d32d0000 [ 24.792074][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 24.800994][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.807606][ T21] CR2: 00000000022bd7d0 CR3: 00000001d3229000 CR4: 00000000001406e0 [ 24.815672][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.823626][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.831574][ T21] Call Trace: [ 24.834858][ T21] ? rpm_callback+0x230/0x230 [ 24.839531][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 24.844881][ T21] ? __pm_runtime_resume+0x111/0x180 [ 24.850141][ T21] usb_probe_interface+0x305/0x7a0 [ 24.855245][ T21] ? usb_probe_device+0x100/0x100 [ 24.860245][ T21] really_probe+0x281/0x6d0 [ 24.864723][ T21] driver_probe_device+0x101/0x1b0 [ 24.869876][ T21] __device_attach_driver+0x1c2/0x220 [ 24.875231][ T21] ? driver_allows_async_probing+0x160/0x160 [ 24.881595][ T21] bus_for_each_drv+0x162/0x1e0 [ 24.886447][ T21] ? bus_rescan_devices+0x20/0x20 [ 24.891461][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.897259][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 24.902665][ T21] __device_attach+0x217/0x360 [ 24.907419][ T21] ? device_bind_driver+0xd0/0xd0 [ 24.912614][ T21] ? kobject_uevent_env+0x29e/0x1160 [ 24.917906][ T21] ? kobject_uevent_env+0x2a8/0x1160 [ 24.923278][ T21] bus_probe_device+0x1e4/0x290 [ 24.928117][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 24.933991][ T21] device_add+0xae6/0x16f0 [ 24.938381][ T21] ? uevent_store+0x50/0x50 [ 24.942857][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.948653][ T21] usb_set_configuration+0xdf6/0x1670 [ 24.954812][ T21] generic_probe+0x9d/0xd5 [ 24.959381][ T21] usb_probe_device+0x99/0x100 [ 24.964145][ T21] ? usb_suspend+0x620/0x620 [ 24.968724][ T21] really_probe+0x281/0x6d0 [ 24.973207][ T21] driver_probe_device+0x101/0x1b0 [ 24.978302][ T21] __device_attach_driver+0x1c2/0x220 [ 24.983654][ T21] ? driver_allows_async_probing+0x160/0x160 [ 24.989630][ T21] bus_for_each_drv+0x162/0x1e0 [ 24.994557][ T21] ? bus_rescan_devices+0x20/0x20 [ 24.999560][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.005518][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 25.010790][ T21] __device_attach+0x217/0x360 [ 25.015541][ T21] ? device_bind_driver+0xd0/0xd0 [ 25.020543][ T21] ? kobject_uevent_env+0x29e/0x1160 [ 25.026034][ T21] ? kobject_uevent_env+0x2a8/0x1160 [ 25.031404][ T21] bus_probe_device+0x1e4/0x290 [ 25.036254][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 25.042397][ T21] device_add+0xae6/0x16f0 [ 25.046805][ T21] ? uevent_store+0x50/0x50 [ 25.051394][ T21] usb_new_device.cold+0x6a4/0xe79 [ 25.056491][ T21] hub_event+0x1b5c/0x3640 [ 25.060887][ T21] ? hub_port_debounce+0x260/0x260 [ 25.065991][ T21] process_one_work+0x92b/0x1530 [ 25.071001][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.076403][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 25.081470][ T21] worker_thread+0x96/0xe20 [ 25.086305][ T21] ? process_one_work+0x1530/0x1530 [ 25.091840][ T21] kthread+0x318/0x420 [ 25.096051][ T21] ? kthread_create_on_node+0xf0/0xf0 [ 25.101420][ T21] ret_from_fork+0x24/0x30 [ 25.105811][ T21] Modules linked in: [ 25.109753][ T21] ---[ end trace a08870cefd4f5d6f ]--- [ 25.115237][ T21] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x7bd [ 25.121379][ T21] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 d1 de 61 fd 48 8b 5b 18 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 c1 [ 25.141117][ T21] RSP: 0018:ffff8881da2f72e8 EFLAGS: 00010247 [ 25.147202][ T21] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8402a6ab [ 25.155216][ T21] RDX: 0000000000000000 RSI: ffffffff8402a76b RDI: 0000000000000004 [ 25.163200][ T21] RBP: ffff8881d30ac408 R08: ffff8881da236000 R09: ffffed103b665d58 [ 25.171149][ T21] R10: ffffed103b665d57 R11: ffff8881db32eabf R12: ffff8881d30ac448 [ 25.179215][ T21] R13: 0000000000000000 R14: ffff8881d30ac400 R15: ffff8881d32d0000 [ 25.187212][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 25.196235][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.202835][ T21] CR2: 00000000022bd7d0 CR3: 00000001d3229000 CR4: 00000000001406e0 [ 25.210996][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.219004][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.227051][ T21] Kernel panic - not syncing: Fatal exception [ 25.233785][ T21] Kernel Offset: disabled [ 25.238193][ T21] Rebooting in 86400 seconds..