[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. [ 16.002523][ 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 '10.128.0.143' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.206573][ T12] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 32.566671][ T12] usb 1-1: config 0 has an invalid interface number: 66 but max is 0 [ 32.575032][ T12] usb 1-1: config 0 has no interface number 0 [ 32.581472][ T12] usb 1-1: New USB device found, idVendor=0af7, idProduct=0101, bcdDevice=1d.39 [ 32.590532][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.600455][ T12] usb 1-1: config 0 descriptor?? [ 32.638748][ T12] flexcop_usb: running at FULL speed. executing program [ 32.857032][ T12] flexcop_usb: error while writing dword from 34 (520). [ 32.876746][ T12] flexcop_usb: error while writing dword from 36 (528). [ 32.926585][ T12] flexcop_usb: error while reading dword from 161 (516). [ 32.946568][ T12] flexcop_usb: error while writing dword from 33 (516). [ 32.997007][ T12] flexcop_usb: error while writing dword from 33 (516). [ 33.016553][ T12] flexcop_usb: error while reading dword from 161 (516). [ 33.036557][ T12] flexcop_usb: error while reading dword from 247 (1820). [ 33.056566][ T12] flexcop_usb: error while writing dword from 119 (1820). [ 33.076588][ T12] flexcop_usb: error while reading dword from 176 (768). [ 33.096591][ T12] flexcop_usb: error while reading dword from 162 (520). [ 33.116576][ T12] flexcop_usb: error while writing dword from 48 (768). [ 33.136579][ T12] flexcop_usb: error while writing dword from 34 (520). [ 33.156595][ T12] flexcop_usb: error while reading dword from 176 (768). [ 33.176590][ T12] flexcop_usb: error while reading dword from 162 (520). [ 33.196544][ T12] flexcop_usb: error while writing dword from 48 (768). [ 33.216564][ T12] flexcop_usb: error while writing dword from 34 (520). [ 33.236562][ T12] flexcop_usb: error while reading dword from 177 (772). [ 33.257012][ T12] flexcop_usb: error while reading dword from 162 (520). [ 33.276583][ T12] flexcop_usb: error while writing dword from 49 (772). [ 33.296581][ T12] flexcop_usb: error while writing dword from 34 (520). [ 33.316580][ T12] flexcop_usb: error while reading dword from 177 (772). [ 33.336582][ T12] flexcop_usb: error while reading dword from 162 (520). [ 33.356587][ T12] flexcop_usb: error while writing dword from 49 (772). [ 33.376577][ T12] flexcop_usb: error while writing dword from 34 (520). [ 33.396560][ T12] flexcop_usb: error while reading dword from 178 (776). [ 33.416561][ T12] flexcop_usb: error while reading dword from 162 (520). [ 33.436566][ T12] flexcop_usb: error while writing dword from 50 (776). [ 33.456583][ T12] flexcop_usb: error while writing dword from 34 (520). [ 33.476578][ T12] flexcop_usb: error while reading dword from 178 (776). [ 33.496594][ T12] flexcop_usb: error while reading dword from 162 (520). [ 33.517012][ T12] flexcop_usb: error while writing dword from 50 (776). [ 33.536598][ T12] flexcop_usb: error while writing dword from 34 (520). [ 33.556569][ T12] flexcop_usb: error while writing dword from 51 (780). [ 33.576572][ T12] flexcop_usb: error while reading dword from 162 (520). [ 33.596559][ T12] flexcop_usb: error while writing dword from 34 (520). [ 33.616550][ T12] flexcop_usb: error while reading dword from 178 (776). [ 33.636550][ T12] flexcop_usb: error while writing dword from 50 (776). [ 33.656572][ T12] flexcop_usb: error while reading dword from 162 (520). [ 33.676582][ T12] flexcop_usb: error while writing dword from 34 (520). [ 33.696566][ T12] flexcop_usb: error while reading dword from 162 (520). [ 33.716551][ T12] flexcop_usb: error while writing dword from 34 (520). [ 33.723925][ T12] dvbdev: DVB: registering new adapter (FlexCop Digital TV device) [ 33.766560][ T12] b2c2-flexcop: reading of MAC address failed. [ 33.766560][ T12] [ 33.826589][ T12] CX24123: wrong demod revision: 0 [ 34.126600][ T12] nxt200x: Unknown/Unsupported NXT chip: 00 00 00 00 00 [ 34.146600][ T12] lgdt330x 0-0059: Demod loaded for LGDT3303 chip [ 34.153924][ T12] tuner-simple 0-0061: creating new instance [ 34.160151][ T12] tuner-simple 0-0061: type set to 64 (LG TDVS-H06xF) [ 34.167038][ T12] b2c2-flexcop: found 'LG Electronics LGDT3303 VSB/QAM Frontend' . [ 34.175107][ T12] usb 1-1: DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3303 VSB/QAM Frontend)... [ 34.187116][ T12] b2c2-flexcop: initialization of 'Air2PC/AirStar 2 ATSC 3rd generation (HD5000)' at the 'USB' bus controlled by a 'FlexCopIII' complete [ 34.201200][ T12] kasan: CONFIG_KASAN_INLINE enabled [ 34.206603][ T12] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 34.214679][ T12] general protection fault: 0000 [#1] SMP KASAN [ 34.220947][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 34.228290][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.238421][ T12] Workqueue: usb_hub_wq hub_event [ 34.243431][ T12] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x7bd [ 34.249562][ T12] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 41 1a 62 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 [ 34.269149][ T12] RSP: 0018:ffff8881da227298 EFLAGS: 00010247 [ 34.275335][ T12] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff840350bb [ 34.283293][ T12] RDX: 0000000000000000 RSI: ffffffff8403517b RDI: 0000000000000004 [ 34.291251][ T12] RBP: ffff8881c7aa4008 R08: ffff8881da211800 R09: ffffed103b645d58 [ 34.299203][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881c7aa4048 [ 34.307151][ T12] R13: 0000000000000000 R14: ffff8881c7aa4000 R15: ffff8881cf9bc000 [ 34.315100][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 34.324009][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.330574][ T12] CR2: 00000000019b1cf8 CR3: 00000001d3f7d000 CR4: 00000000001406f0 [ 34.338537][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.346482][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.354425][ T12] Call Trace: [ 34.357697][ T12] ? rpm_callback+0x230/0x230 [ 34.362390][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 34.367659][ T12] ? __pm_runtime_resume+0x111/0x180 [ 34.373492][ T12] usb_probe_interface+0x305/0x7a0 [ 34.378681][ T12] ? usb_probe_device+0x100/0x100 [ 34.383686][ T12] really_probe+0x281/0x6d0 [ 34.388168][ T12] driver_probe_device+0x104/0x210 [ 34.393257][ T12] __device_attach_driver+0x1c2/0x220 [ 34.398626][ T12] ? driver_allows_async_probing+0x160/0x160 [ 34.404579][ T12] bus_for_each_drv+0x162/0x1e0 [ 34.409401][ T12] ? bus_rescan_devices+0x20/0x20 [ 34.414400][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 34.420191][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 34.425449][ T12] __device_attach+0x217/0x360 [ 34.430580][ T12] ? device_bind_driver+0xd0/0xd0 [ 34.435598][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 34.440875][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 34.446143][ T12] bus_probe_device+0x1e4/0x290 [ 34.450976][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 34.456847][ T12] device_add+0xae6/0x16f0 [ 34.461249][ T12] ? uevent_store+0x50/0x50 [ 34.465743][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 34.471534][ T12] usb_set_configuration+0xdf6/0x1670 [ 34.476888][ T12] generic_probe+0x9d/0xd5 [ 34.481284][ T12] usb_probe_device+0x99/0x100 [ 34.486022][ T12] ? usb_suspend+0x620/0x620 [ 34.490598][ T12] really_probe+0x281/0x6d0 [ 34.495087][ T12] driver_probe_device+0x104/0x210 [ 34.500178][ T12] __device_attach_driver+0x1c2/0x220 [ 34.505530][ T12] ? driver_allows_async_probing+0x160/0x160 [ 34.511592][ T12] bus_for_each_drv+0x162/0x1e0 [ 34.516428][ T12] ? bus_rescan_devices+0x20/0x20 [ 34.521449][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 34.527247][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 34.532616][ T12] __device_attach+0x217/0x360 [ 34.537365][ T12] ? device_bind_driver+0xd0/0xd0 [ 34.542381][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 34.547645][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 34.552942][ T12] bus_probe_device+0x1e4/0x290 [ 34.557778][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 34.563649][ T12] device_add+0xae6/0x16f0 [ 34.570232][ T12] ? uevent_store+0x50/0x50 [ 34.574714][ T12] usb_new_device.cold+0x6a4/0xe79 [ 34.579797][ T12] hub_event+0x1df8/0x3800 [ 34.584191][ T12] ? hub_port_debounce+0x260/0x260 [ 34.589291][ T12] ? find_held_lock+0x2d/0x110 [ 34.594043][ T12] ? mark_held_locks+0xe0/0xe0 [ 34.598806][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 34.604336][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 34.609597][ T12] process_one_work+0x92b/0x1530 [ 34.614523][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 34.619874][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 34.624887][ T12] worker_thread+0x96/0xe20 [ 34.629370][ T12] ? process_one_work+0x1530/0x1530 [ 34.634540][ T12] kthread+0x318/0x420 [ 34.638585][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 34.643938][ T12] ret_from_fork+0x24/0x30 [ 34.648324][ T12] Modules linked in: [ 34.652289][ T12] ---[ end trace 3a43a2fb9353e0d9 ]--- [ 34.657763][ T12] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x7bd [ 34.663904][ T12] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 41 1a 62 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 [ 34.683532][ T12] RSP: 0018:ffff8881da227298 EFLAGS: 00010247 [ 34.689611][ T12] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff840350bb [ 34.697592][ T12] RDX: 0000000000000000 RSI: ffffffff8403517b RDI: 0000000000000004 [ 34.705553][ T12] RBP: ffff8881c7aa4008 R08: ffff8881da211800 R09: ffffed103b645d58 [ 34.713534][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881c7aa4048 [ 34.721543][ T12] R13: 0000000000000000 R14: ffff8881c7aa4000 R15: ffff8881cf9bc000 [ 34.729519][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 34.738454][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.745018][ T12] CR2: 00000000019b1cf8 CR3: 00000001d3f7d000 CR4: 00000000001406f0 [ 34.752996][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.760968][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.768941][ T12] Kernel panic - not syncing: Fatal exception [ 34.775702][ T12] Kernel Offset: disabled [ 34.780023][ T12] Rebooting in 86400 seconds..