[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. [....] Starting OpenBSD Secure Shell server: sshd[ 14.152475][ T1674] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 28.239030][ T1711] random: sshd: uninitialized urandom read (32 bytes read) [ 28.295540][ C0] random: crng init done Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. executing program [ 36.779390][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.019412][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 37.139484][ T21] usb 1-1: config 0 has an invalid interface number: 49 but max is 0 [ 37.147874][ T21] usb 1-1: config 0 has no interface number 0 [ 37.154180][ T21] usb 1-1: New USB device found, idVendor=0af7, idProduct=0101, bcdDevice=e3.69 [ 37.163542][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.173239][ T21] usb 1-1: config 0 descriptor?? [ 37.210935][ T21] flexcop_usb: running at HIGH speed. executing program [ 37.409487][ T21] flexcop_usb: error while reading dword from 161 (516). [ 37.429977][ T21] flexcop_usb: error while writing dword from 33 (516). [ 37.479472][ T21] flexcop_usb: error while writing dword from 33 (516). [ 37.499464][ T21] flexcop_usb: error while reading dword from 161 (516). [ 37.519474][ T21] flexcop_usb: error while reading dword from 247 (1820). [ 37.539447][ T21] flexcop_usb: error while writing dword from 119 (1820). [ 37.559823][ T21] flexcop_usb: error while reading dword from 176 (768). [ 37.579459][ T21] flexcop_usb: error while reading dword from 162 (520). [ 37.599479][ T21] flexcop_usb: error while writing dword from 48 (768). [ 37.619453][ T21] flexcop_usb: error while writing dword from 34 (520). [ 37.639464][ T21] flexcop_usb: error while reading dword from 176 (768). [ 37.659458][ T21] flexcop_usb: error while reading dword from 162 (520). [ 37.679476][ T21] flexcop_usb: error while writing dword from 48 (768). [ 37.699461][ T21] flexcop_usb: error while writing dword from 34 (520). [ 37.719518][ T21] flexcop_usb: error while reading dword from 177 (772). [ 37.739464][ T21] flexcop_usb: error while reading dword from 162 (520). [ 37.759454][ T21] flexcop_usb: error while writing dword from 49 (772). [ 37.779492][ T21] flexcop_usb: error while writing dword from 34 (520). [ 37.799468][ T21] flexcop_usb: error while reading dword from 177 (772). [ 37.819846][ T21] flexcop_usb: error while reading dword from 162 (520). [ 37.839473][ T21] flexcop_usb: error while writing dword from 49 (772). [ 37.859455][ T21] flexcop_usb: error while writing dword from 34 (520). [ 37.879470][ T21] flexcop_usb: error while reading dword from 178 (776). [ 37.899458][ T21] flexcop_usb: error while reading dword from 162 (520). [ 37.919458][ T21] flexcop_usb: error while writing dword from 50 (776). [ 37.939476][ T21] flexcop_usb: error while writing dword from 34 (520). [ 37.959514][ T21] flexcop_usb: error while reading dword from 178 (776). [ 37.979451][ T21] flexcop_usb: error while reading dword from 162 (520). [ 37.999417][ T21] flexcop_usb: error while writing dword from 50 (776). [ 38.019471][ T21] flexcop_usb: error while writing dword from 34 (520). [ 38.039474][ T21] flexcop_usb: error while writing dword from 51 (780). [ 38.059478][ T21] flexcop_usb: error while reading dword from 162 (520). [ 38.079899][ T21] flexcop_usb: error while writing dword from 34 (520). [ 38.099469][ T21] flexcop_usb: error while reading dword from 178 (776). [ 38.119491][ T21] flexcop_usb: error while writing dword from 50 (776). [ 38.139486][ T21] flexcop_usb: error while reading dword from 162 (520). [ 38.159473][ T21] flexcop_usb: error while writing dword from 34 (520). [ 38.179470][ T21] flexcop_usb: error while reading dword from 162 (520). [ 38.199471][ T21] flexcop_usb: error while writing dword from 34 (520). [ 38.206743][ T21] dvbdev: DVB: registering new adapter (FlexCop Digital TV device) [ 38.239474][ T21] b2c2-flexcop: reading of MAC address failed. [ 38.239474][ T21] [ 38.299471][ T21] CX24123: wrong demod revision: 0 [ 38.599429][ T21] nxt200x: Unknown/Unsupported NXT chip: 00 00 00 00 00 [ 38.619517][ T21] lgdt330x 0-0059: Demod loaded for LGDT3303 chip [ 38.626945][ T21] tuner-simple 0-0061: creating new instance [ 38.633135][ T21] tuner-simple 0-0061: type set to 64 (LG TDVS-H06xF) [ 38.640289][ T21] b2c2-flexcop: found 'LG Electronics LGDT3303 VSB/QAM Frontend' . [ 38.648529][ T21] usb 1-1: DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3303 VSB/QAM Frontend)... [ 38.660394][ T21] b2c2-flexcop: initialization of 'Air2PC/AirStar 2 ATSC 3rd generation (HD5000)' at the 'USB' bus controlled by a 'FlexCopIII' complete [ 38.674813][ T21] kasan: CONFIG_KASAN_INLINE enabled [ 38.680281][ T21] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 38.688846][ T21] general protection fault: 0000 [#1] SMP KASAN [ 38.695332][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 [ 38.702788][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.712860][ T21] Workqueue: usb_hub_wq hub_event [ 38.717951][ T21] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x8e5 [ 38.724224][ T21] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 31 69 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 [ 38.744229][ T21] RSP: 0018:ffff8881d9eff230 EFLAGS: 00010247 [ 38.750402][ T21] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8410621b [ 38.758376][ T21] RDX: 0000000000000000 RSI: ffffffff841062db RDI: 0000000000000004 [ 38.766551][ T21] RBP: ffff8881cfae8888 R08: ffff8881d9e36000 R09: ffffed103b665d30 [ 38.774531][ T21] R10: ffffed103b665d2f R11: ffff8881db32e97f R12: ffff8881cfae88c8 [ 38.782611][ T21] R13: 0000000000000000 R14: ffff8881cfae8880 R15: ffff8881d1708000 [ 38.790824][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 38.799754][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.806340][ T21] CR2: 00000000016d2d50 CR3: 00000001cf9a6000 CR4: 00000000001406e0 [ 38.814750][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.822825][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.831266][ T21] Call Trace: [ 38.834668][ T21] ? rpm_callback+0x230/0x230 [ 38.839343][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 38.844627][ T21] ? __pm_runtime_resume+0x111/0x180 [ 38.849914][ T21] usb_probe_interface+0x305/0x7a0 [ 38.855211][ T21] ? usb_probe_device+0x100/0x100 [ 38.860679][ T21] really_probe+0x281/0x660 [ 38.865318][ T21] driver_probe_device+0x104/0x210 [ 38.870443][ T21] __device_attach_driver+0x1c2/0x220 [ 38.875943][ T21] ? driver_allows_async_probing+0x160/0x160 [ 38.881934][ T21] bus_for_each_drv+0x15c/0x1e0 [ 38.887029][ T21] ? bus_rescan_devices+0x20/0x20 [ 38.892075][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.898060][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 38.903455][ T21] __device_attach+0x217/0x360 [ 38.908333][ T21] ? device_bind_driver+0xd0/0xd0 [ 38.913397][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 38.918900][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 38.924195][ T21] bus_probe_device+0x1e4/0x290 [ 38.929057][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.935055][ T21] device_add+0xae6/0x16f0 [ 38.939510][ T21] ? uevent_store+0x50/0x50 [ 38.944137][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.950022][ T21] usb_set_configuration+0xdf6/0x1670 [ 38.955502][ T21] generic_probe+0x9d/0xd5 [ 38.959931][ T21] usb_probe_device+0x99/0x100 [ 38.964691][ T21] ? usb_suspend+0x620/0x620 [ 38.969403][ T21] really_probe+0x281/0x660 [ 38.973917][ T21] driver_probe_device+0x104/0x210 [ 38.979040][ T21] __device_attach_driver+0x1c2/0x220 [ 38.984538][ T21] ? driver_allows_async_probing+0x160/0x160 [ 38.990612][ T21] bus_for_each_drv+0x15c/0x1e0 [ 38.995513][ T21] ? bus_rescan_devices+0x20/0x20 [ 39.000645][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.006603][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 39.011895][ T21] __device_attach+0x217/0x360 [ 39.016659][ T21] ? device_bind_driver+0xd0/0xd0 [ 39.021882][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 39.027173][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 39.032457][ T21] bus_probe_device+0x1e4/0x290 [ 39.037307][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.043205][ T21] device_add+0xae6/0x16f0 [ 39.047620][ T21] ? uevent_store+0x50/0x50 [ 39.052121][ T21] usb_new_device.cold+0x8c1/0x1016 [ 39.057320][ T21] ? usb_port_suspend+0xa40/0xa40 [ 39.062353][ T21] ? mark_held_locks+0x9f/0xe0 [ 39.067533][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 39.072731][ T21] hub_event+0x1ada/0x3590 [ 39.077412][ T21] ? hub_port_debounce+0x260/0x260 [ 39.082735][ T21] process_one_work+0x905/0x1570 [ 39.087682][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.093063][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 39.098258][ T21] worker_thread+0x96/0xe20 [ 39.102761][ T21] ? process_one_work+0x1570/0x1570 [ 39.108062][ T21] kthread+0x30b/0x410 [ 39.112472][ T21] ? kthread_park+0x1a0/0x1a0 [ 39.117242][ T21] ret_from_fork+0x24/0x30 [ 39.121655][ T21] Modules linked in: [ 39.125739][ T21] ---[ end trace bbba67f6ee35c550 ]--- [ 39.131330][ T21] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x8e5 [ 39.137824][ T21] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 31 69 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 [ 39.158163][ T21] RSP: 0018:ffff8881d9eff230 EFLAGS: 00010247 [ 39.164284][ T21] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8410621b [ 39.172460][ T21] RDX: 0000000000000000 RSI: ffffffff841062db RDI: 0000000000000004 [ 39.180495][ T21] RBP: ffff8881cfae8888 R08: ffff8881d9e36000 R09: ffffed103b665d30 [ 39.188578][ T21] R10: ffffed103b665d2f R11: ffff8881db32e97f R12: ffff8881cfae88c8 [ 39.196725][ T21] R13: 0000000000000000 R14: ffff8881cfae8880 R15: ffff8881d1708000 [ 39.204863][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 39.213872][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.220648][ T21] CR2: 00000000016d2d50 CR3: 00000001cf9a6000 CR4: 00000000001406e0 [ 39.228724][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.236889][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.245027][ T21] Kernel panic - not syncing: Fatal exception [ 39.251558][ T21] Kernel Offset: disabled [ 39.255887][ T21] Rebooting in 86400 seconds..