INIT: Entering runlevel: 2 [[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.386981][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 59.627043][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 59.747064][ T12] usb 1-1: config 0 has an invalid interface number: 93 but max is 0 [ 59.755652][ T12] usb 1-1: config 0 has no interface number 0 [ 59.762122][ T12] usb 1-1: New USB device found, idVendor=0af7, idProduct=0101, bcdDevice=8e.f6 [ 59.771448][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.781473][ T12] usb 1-1: config 0 descriptor?? [ 59.820743][ T12] flexcop_usb: running at HIGH speed. executing program [ 60.007248][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.027069][ T12] flexcop_usb: error while writing dword from 36 (528). [ 60.077076][ T12] flexcop_usb: error while reading dword from 161 (516). [ 60.097082][ T12] flexcop_usb: error while writing dword from 33 (516). [ 60.147115][ T12] flexcop_usb: error while writing dword from 33 (516). [ 60.167415][ T12] flexcop_usb: error while reading dword from 161 (516). [ 60.187101][ T12] flexcop_usb: error while reading dword from 247 (1820). [ 60.207059][ T12] flexcop_usb: error while writing dword from 119 (1820). [ 60.227054][ T12] flexcop_usb: error while reading dword from 176 (768). [ 60.247088][ T12] flexcop_usb: error while reading dword from 162 (520). [ 60.267041][ T12] flexcop_usb: error while writing dword from 48 (768). [ 60.287038][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.307020][ T12] flexcop_usb: error while reading dword from 176 (768). [ 60.327037][ T12] flexcop_usb: error while reading dword from 162 (520). [ 60.347071][ T12] flexcop_usb: error while writing dword from 48 (768). [ 60.367027][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.387042][ T12] flexcop_usb: error while reading dword from 177 (772). [ 60.407046][ T12] flexcop_usb: error while reading dword from 162 (520). [ 60.427494][ T12] flexcop_usb: error while writing dword from 49 (772). [ 60.447043][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.467044][ T12] flexcop_usb: error while reading dword from 177 (772). [ 60.487050][ T12] flexcop_usb: error while reading dword from 162 (520). [ 60.507095][ T12] flexcop_usb: error while writing dword from 49 (772). [ 60.527014][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.547029][ T12] flexcop_usb: error while reading dword from 178 (776). [ 60.567038][ T12] flexcop_usb: error while reading dword from 162 (520). [ 60.587055][ T12] flexcop_usb: error while writing dword from 50 (776). [ 60.607011][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.627129][ T12] flexcop_usb: error while reading dword from 178 (776). [ 60.647036][ T12] flexcop_usb: error while reading dword from 162 (520). [ 60.667023][ T12] flexcop_usb: error while writing dword from 50 (776). [ 60.687464][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.707038][ T12] flexcop_usb: error while writing dword from 51 (780). [ 60.727049][ T12] flexcop_usb: error while reading dword from 162 (520). [ 60.747037][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.767013][ T12] flexcop_usb: error while reading dword from 178 (776). [ 60.787020][ T12] flexcop_usb: error while writing dword from 50 (776). [ 60.807038][ T12] flexcop_usb: error while reading dword from 162 (520). [ 60.827030][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.847025][ T12] flexcop_usb: error while reading dword from 162 (520). [ 60.867014][ T12] flexcop_usb: error while writing dword from 34 (520). [ 60.874264][ T12] dvbdev: DVB: registering new adapter (FlexCop Digital TV device) [ 60.907049][ T12] b2c2-flexcop: reading of MAC address failed. [ 60.907049][ T12] [ 60.967048][ T12] CX24123: wrong demod revision: 0 [ 61.267142][ T12] nxt200x: Unknown/Unsupported NXT chip: 00 00 00 00 00 [ 61.287079][ T12] lgdt330x 0-0059: Demod loaded for LGDT3303 chip [ 61.294512][ T12] tuner-simple 0-0061: creating new instance [ 61.300696][ T12] tuner-simple 0-0061: type set to 64 (LG TDVS-H06xF) [ 61.307623][ T12] b2c2-flexcop: found 'LG Electronics LGDT3303 VSB/QAM Frontend' . [ 61.315730][ T12] usb 1-1: DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3303 VSB/QAM Frontend)... [ 61.328028][ T12] b2c2-flexcop: initialization of 'Air2PC/AirStar 2 ATSC 3rd generation (HD5000)' at the 'USB' bus controlled by a 'FlexCopIII' complete [ 61.342278][ T12] kasan: CONFIG_KASAN_INLINE enabled [ 61.348001][ T12] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 61.356754][ T12] general protection fault: 0000 [#1] SMP KASAN [ 61.363109][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc1+ #10 [ 61.370549][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.380820][ T12] Workqueue: usb_hub_wq hub_event [ 61.385874][ T12] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x8e5 [ 61.392022][ T12] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 c1 a5 52 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 97 [ 61.411807][ T12] RSP: 0018:ffff8881d9e0f230 EFLAGS: 00010247 [ 61.417862][ T12] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8410095b [ 61.425935][ T12] RDX: 0000000000000000 RSI: ffffffff84100a1b RDI: 0000000000000004 [ 61.433892][ T12] RBP: ffff8881cf4e0008 R08: ffff8881d9df9800 R09: ffffed103b645d30 [ 61.442209][ T12] R10: ffffed103b645d2f R11: ffff8881db22e97f R12: ffff8881cf4e0048 [ 61.450572][ T12] R13: 0000000000000000 R14: ffff8881cf4e0000 R15: ffff8881cf55c000 [ 61.458714][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 61.468085][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.474751][ T12] CR2: 0000000000c6f7d0 CR3: 00000001d05ea000 CR4: 00000000001406f0 [ 61.482807][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.490856][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.499125][ T12] Call Trace: [ 61.502565][ T12] ? rpm_callback+0x230/0x230 [ 61.507483][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 61.512902][ T12] ? __pm_runtime_resume+0x111/0x180 [ 61.518644][ T12] usb_probe_interface+0x305/0x7a0 [ 61.524012][ T12] ? usb_probe_device+0x100/0x100 [ 61.529023][ T12] really_probe+0x281/0x660 [ 61.533688][ T12] driver_probe_device+0x104/0x210 [ 61.538963][ T12] __device_attach_driver+0x1c2/0x220 [ 61.544595][ T12] ? driver_allows_async_probing+0x160/0x160 [ 61.550690][ T12] bus_for_each_drv+0x15c/0x1e0 [ 61.555586][ T12] ? bus_rescan_devices+0x20/0x20 [ 61.560628][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 61.566668][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 61.571959][ T12] __device_attach+0x217/0x360 [ 61.576922][ T12] ? device_bind_driver+0xd0/0xd0 [ 61.582035][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 61.587318][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 61.592587][ T12] bus_probe_device+0x1e4/0x290 [ 61.597434][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 61.603358][ T12] device_add+0xae6/0x16f0 [ 61.607774][ T12] ? uevent_store+0x50/0x50 [ 61.612377][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 61.618259][ T12] usb_set_configuration+0xdf6/0x1670 [ 61.623619][ T12] generic_probe+0x9d/0xd5 [ 61.628144][ T12] usb_probe_device+0x99/0x100 [ 61.632934][ T12] ? usb_suspend+0x620/0x620 [ 61.637734][ T12] really_probe+0x281/0x660 [ 61.642243][ T12] driver_probe_device+0x104/0x210 [ 61.647488][ T12] __device_attach_driver+0x1c2/0x220 [ 61.653018][ T12] ? driver_allows_async_probing+0x160/0x160 [ 61.658995][ T12] bus_for_each_drv+0x15c/0x1e0 [ 61.664001][ T12] ? bus_rescan_devices+0x20/0x20 [ 61.669085][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 61.674976][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 61.680350][ T12] __device_attach+0x217/0x360 [ 61.685104][ T12] ? device_bind_driver+0xd0/0xd0 [ 61.690216][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 61.695580][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 61.700889][ T12] bus_probe_device+0x1e4/0x290 [ 61.705783][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 61.711670][ T12] device_add+0xae6/0x16f0 [ 61.716120][ T12] ? uevent_store+0x50/0x50 [ 61.720642][ T12] usb_new_device.cold+0x8c1/0x1016 [ 61.725838][ T12] ? usb_port_suspend+0xa40/0xa40 [ 61.730849][ T12] ? mark_held_locks+0x9f/0xe0 [ 61.737419][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 61.749153][ T12] hub_event+0x1ada/0x3590 [ 61.753736][ T12] ? hub_port_debounce+0x260/0x260 [ 61.764607][ T12] process_one_work+0x905/0x1570 [ 61.773891][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 61.779253][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 61.784269][ T12] worker_thread+0x96/0xe20 [ 61.788775][ T12] ? process_one_work+0x1570/0x1570 [ 61.794038][ T12] kthread+0x30b/0x410 [ 61.798148][ T12] ? kthread_park+0x1a0/0x1a0 [ 61.802835][ T12] ret_from_fork+0x24/0x30 [ 61.807548][ T12] Modules linked in: [ 61.811740][ T12] ---[ end trace 12285fcca1391a42 ]--- [ 61.817301][ T12] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x8e5 [ 61.823593][ T12] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 c1 a5 52 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 97 [ 61.845765][ T12] RSP: 0018:ffff8881d9e0f230 EFLAGS: 00010247 [ 61.851961][ T12] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8410095b [ 61.860294][ T12] RDX: 0000000000000000 RSI: ffffffff84100a1b RDI: 0000000000000004 [ 61.868308][ T12] RBP: ffff8881cf4e0008 R08: ffff8881d9df9800 R09: ffffed103b645d30 [ 61.876385][ T12] R10: ffffed103b645d2f R11: ffff8881db22e97f R12: ffff8881cf4e0048 [ 61.884513][ T12] R13: 0000000000000000 R14: ffff8881cf4e0000 R15: ffff8881cf55c000 [ 61.893194][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 61.902270][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.908882][ T12] CR2: 0000000000c6f7d0 CR3: 00000001d05ea000 CR4: 00000000001406f0 [ 61.916844][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.924991][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.933541][ T12] Kernel panic - not syncing: Fatal exception [ 61.940579][ T12] Kernel Offset: disabled [ 61.944905][ T12] Rebooting in 86400 seconds..