[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 14.742680][ C1] 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 '10.128.0.15' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.143879][ T102] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 41.503997][ T102] usb 1-1: config 0 has an invalid interface number: 23 but max is 0 [ 41.512484][ T102] usb 1-1: config 0 has no interface number 0 [ 41.519500][ T102] usb 1-1: New USB device found, idVendor=0af7, idProduct=0101, bcdDevice= 0.10 [ 41.528585][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.538423][ T102] usb 1-1: config 0 descriptor?? [ 41.554228][ T1719] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 41.576224][ T102] flexcop_usb: running at HIGH speed. executing program [ 41.793971][ T102] flexcop_usb: error while writing dword from 34 (520). [ 41.823935][ T102] flexcop_usb: error while writing dword from 36 (528). [ 41.873960][ T102] flexcop_usb: error while reading dword from 161 (516). [ 41.893947][ T102] flexcop_usb: error while writing dword from 33 (516). [ 41.943924][ T102] flexcop_usb: error while writing dword from 33 (516). [ 41.963962][ T102] flexcop_usb: error while reading dword from 161 (516). [ 41.983965][ T102] flexcop_usb: error while reading dword from 247 (1820). [ 42.003927][ T102] flexcop_usb: error while writing dword from 119 (1820). [ 42.023972][ T102] flexcop_usb: error while reading dword from 176 (768). [ 42.043987][ T102] flexcop_usb: error while reading dword from 162 (520). [ 42.063959][ T102] flexcop_usb: error while writing dword from 48 (768). [ 42.083941][ T102] flexcop_usb: error while writing dword from 34 (520). [ 42.103936][ T102] flexcop_usb: error while reading dword from 176 (768). [ 42.123929][ T102] flexcop_usb: error while reading dword from 162 (520). [ 42.144016][ T102] flexcop_usb: error while writing dword from 48 (768). [ 42.163951][ T102] flexcop_usb: error while writing dword from 34 (520). [ 42.183920][ T102] flexcop_usb: error while reading dword from 177 (772). [ 42.203933][ T102] flexcop_usb: error while reading dword from 162 (520). [ 42.224032][ T102] flexcop_usb: error while writing dword from 49 (772). [ 42.243920][ T102] flexcop_usb: error while writing dword from 34 (520). [ 42.263936][ T102] flexcop_usb: error while reading dword from 177 (772). [ 42.283903][ T102] flexcop_usb: error while reading dword from 162 (520). [ 42.303891][ T102] flexcop_usb: error while writing dword from 49 (772). [ 42.323899][ T102] flexcop_usb: error while writing dword from 34 (520). [ 42.343899][ T102] flexcop_usb: error while reading dword from 178 (776). [ 42.363879][ T102] flexcop_usb: error while reading dword from 162 (520). [ 42.383884][ T102] flexcop_usb: error while writing dword from 50 (776). [ 42.403893][ T102] flexcop_usb: error while writing dword from 34 (520). [ 42.423912][ T102] flexcop_usb: error while reading dword from 178 (776). [ 42.443921][ T102] flexcop_usb: error while reading dword from 162 (520). [ 42.463901][ T102] flexcop_usb: error while writing dword from 50 (776). [ 42.483913][ T102] flexcop_usb: error while writing dword from 34 (520). [ 42.503918][ T102] flexcop_usb: error while writing dword from 51 (780). [ 42.523896][ T102] flexcop_usb: error while reading dword from 162 (520). [ 42.543959][ T102] flexcop_usb: error while writing dword from 34 (520). [ 42.563895][ T102] flexcop_usb: error while reading dword from 178 (776). [ 42.583874][ T102] flexcop_usb: error while writing dword from 50 (776). [ 42.603951][ T102] flexcop_usb: error while reading dword from 162 (520). [ 42.623885][ T102] flexcop_usb: error while writing dword from 34 (520). [ 42.643926][ T102] flexcop_usb: error while reading dword from 162 (520). [ 42.663877][ T102] flexcop_usb: error while writing dword from 34 (520). [ 42.671085][ T102] dvbdev: DVB: registering new adapter (FlexCop Digital TV device) [ 42.704084][ T102] b2c2-flexcop: reading of MAC address failed. [ 42.704084][ T102] [ 42.763943][ T102] CX24123: wrong demod revision: 0 [ 43.063897][ T102] nxt200x: Unknown/Unsupported NXT chip: 00 00 00 00 00 [ 43.083929][ T102] lgdt330x 0-0059: Demod loaded for LGDT3303 chip [ 43.091191][ T102] tuner-simple 0-0061: creating new instance [ 43.097403][ T102] tuner-simple 0-0061: type set to 64 (LG TDVS-H06xF) [ 43.104190][ T102] b2c2-flexcop: found 'LG Electronics LGDT3303 VSB/QAM Frontend' . [ 43.112237][ T102] usb 1-1: DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3303 VSB/QAM Frontend)... [ 43.124125][ T102] b2c2-flexcop: initialization of 'Air2PC/AirStar 2 ATSC 3rd generation (HD5000)' at the 'USB' bus controlled by a 'FlexCopIII' complete [ 43.138138][ T102] kasan: CONFIG_KASAN_INLINE enabled [ 43.143454][ T102] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.151559][ T102] general protection fault: 0000 [#1] SMP KASAN [ 43.157786][ T102] CPU: 0 PID: 102 Comm: kworker/0:2 Not tainted 5.4.0-rc6+ #0 [ 43.165732][ T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.175780][ T102] Workqueue: usb_hub_wq hub_event [ 43.180782][ T102] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x7bd [ 43.186907][ T102] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 41 13 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 [ 43.206498][ T102] RSP: 0018:ffff8881d5307298 EFLAGS: 00010247 [ 43.212542][ T102] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff840357bb [ 43.220489][ T102] RDX: 0000000000000000 RSI: ffffffff8403587b RDI: 0000000000000004 [ 43.228438][ T102] RBP: ffff8881d036f008 R08: ffff8881d733b000 R09: ffffed103b645d58 [ 43.236396][ T102] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881d036f048 [ 43.244356][ T102] R13: 0000000000000000 R14: ffff8881d036f000 R15: ffff8881d9bd8000 [ 43.252309][ T102] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 43.261214][ T102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.267789][ T102] CR2: 0000000001f937d0 CR3: 00000001d0bf2000 CR4: 00000000001406f0 [ 43.275922][ T102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.283890][ T102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.291847][ T102] Call Trace: [ 43.295304][ T102] ? rpm_callback+0x230/0x230 [ 43.299957][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 43.305218][ T102] ? __pm_runtime_resume+0x111/0x180 [ 43.310494][ T102] usb_probe_interface+0x305/0x7a0 [ 43.315581][ T102] ? usb_probe_device+0x100/0x100 [ 43.320585][ T102] really_probe+0x281/0x6d0 [ 43.325083][ T102] driver_probe_device+0x104/0x210 [ 43.330178][ T102] __device_attach_driver+0x1c2/0x220 [ 43.335525][ T102] ? driver_allows_async_probing+0x160/0x160 [ 43.341494][ T102] bus_for_each_drv+0x162/0x1e0 [ 43.346319][ T102] ? bus_rescan_devices+0x20/0x20 [ 43.351319][ T102] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.357098][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 43.362360][ T102] __device_attach+0x217/0x360 [ 43.367106][ T102] ? device_bind_driver+0xd0/0xd0 [ 43.372114][ T102] ? kobject_uevent_env+0x29e/0x1160 [ 43.377371][ T102] ? kobject_uevent_env+0x2a8/0x1160 [ 43.382642][ T102] bus_probe_device+0x1e4/0x290 [ 43.387479][ T102] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.393345][ T102] device_add+0xae6/0x16f0 [ 43.397738][ T102] ? uevent_store+0x50/0x50 [ 43.402392][ T102] usb_set_configuration+0xdf6/0x1670 [ 43.407757][ T102] generic_probe+0x9d/0xd5 [ 43.412148][ T102] usb_probe_device+0x99/0x100 [ 43.416894][ T102] ? usb_suspend+0x620/0x620 [ 43.421469][ T102] really_probe+0x281/0x6d0 [ 43.425949][ T102] driver_probe_device+0x104/0x210 [ 43.431056][ T102] __device_attach_driver+0x1c2/0x220 [ 43.436409][ T102] ? driver_allows_async_probing+0x160/0x160 [ 43.442373][ T102] bus_for_each_drv+0x162/0x1e0 [ 43.447198][ T102] ? bus_rescan_devices+0x20/0x20 [ 43.452201][ T102] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.457986][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 43.463247][ T102] __device_attach+0x217/0x360 [ 43.467988][ T102] ? device_bind_driver+0xd0/0xd0 [ 43.472998][ T102] ? kobject_uevent_env+0x29e/0x1160 [ 43.478255][ T102] ? kobject_uevent_env+0x2a8/0x1160 [ 43.483530][ T102] bus_probe_device+0x1e4/0x290 [ 43.488372][ T102] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.494252][ T102] device_add+0xae6/0x16f0 [ 43.498651][ T102] ? uevent_store+0x50/0x50 [ 43.503510][ T102] usb_new_device.cold+0x6a4/0xe79 [ 43.508609][ T102] hub_event+0x1df8/0x3800 [ 43.513001][ T102] ? hub_port_debounce+0x260/0x260 [ 43.518089][ T102] ? find_held_lock+0x2d/0x110 [ 43.522838][ T102] ? mark_held_locks+0xe0/0xe0 [ 43.527586][ T102] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 43.533285][ T102] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 43.539164][ T102] process_one_work+0x92b/0x1530 [ 43.544175][ T102] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.549526][ T102] ? do_raw_spin_lock+0x11a/0x280 [ 43.554531][ T102] worker_thread+0x96/0xe20 [ 43.559014][ T102] ? process_one_work+0x1530/0x1530 [ 43.564196][ T102] kthread+0x318/0x420 [ 43.568278][ T102] ? kthread_create_on_node+0xf0/0xf0 [ 43.573621][ T102] ret_from_fork+0x24/0x30 [ 43.578095][ T102] Modules linked in: [ 43.582034][ T102] ---[ end trace 768654b2e81d5d8f ]--- [ 43.587525][ T102] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x7bd [ 43.593689][ T102] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 41 13 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 [ 43.613402][ T102] RSP: 0018:ffff8881d5307298 EFLAGS: 00010247 [ 43.619514][ T102] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff840357bb [ 43.627502][ T102] RDX: 0000000000000000 RSI: ffffffff8403587b RDI: 0000000000000004 [ 43.635595][ T102] RBP: ffff8881d036f008 R08: ffff8881d733b000 R09: ffffed103b645d58 [ 43.643597][ T102] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881d036f048 [ 43.651601][ T102] R13: 0000000000000000 R14: ffff8881d036f000 R15: ffff8881d9bd8000 [ 43.659585][ T102] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 43.668524][ T102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.675116][ T102] CR2: 0000000001f937d0 CR3: 00000001d0bf2000 CR4: 00000000001406f0 [ 43.683070][ T102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.691049][ T102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.699042][ T102] Kernel panic - not syncing: Fatal exception [ 43.706181][ T102] Kernel Offset: disabled [ 43.710493][ T102] Rebooting in 86400 seconds..