INIT: Entering runlevel: 2 [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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.171' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.247439][ T106] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 33.487426][ T106] usb 1-1: Using ep0 maxpacket: 8 [ 33.607463][ T106] usb 1-1: config 0 has an invalid interface number: 225 but max is 0 [ 33.615774][ T106] usb 1-1: config 0 has no interface number 0 [ 33.622069][ T106] usb 1-1: New USB device found, idVendor=0af7, idProduct=0101, bcdDevice=5e.20 [ 33.631130][ T106] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 33.640543][ T106] usb 1-1: config 0 descriptor?? [ 33.679621][ T106] flexcop_usb: running at HIGH speed. executing program [ 33.867792][ T106] flexcop_usb: error while reading dword from 161 (516). [ 33.887654][ T106] flexcop_usb: error while writing dword from 33 (516). [ 33.937520][ T106] flexcop_usb: error while writing dword from 33 (516). [ 33.957474][ T106] flexcop_usb: error while reading dword from 161 (516). [ 33.977466][ T106] flexcop_usb: error while reading dword from 247 (1820). [ 33.997480][ T106] flexcop_usb: error while writing dword from 119 (1820). [ 34.017461][ T106] flexcop_usb: error while reading dword from 176 (768). [ 34.037596][ T106] flexcop_usb: error while reading dword from 162 (520). [ 34.057450][ T106] flexcop_usb: error while writing dword from 48 (768). [ 34.077480][ T106] flexcop_usb: error while writing dword from 34 (520). [ 34.097483][ T106] flexcop_usb: error while reading dword from 176 (768). [ 34.117455][ T106] flexcop_usb: error while reading dword from 162 (520). [ 34.137450][ T106] flexcop_usb: error while writing dword from 48 (768). [ 34.157428][ T106] flexcop_usb: error while writing dword from 34 (520). [ 34.177444][ T106] flexcop_usb: error while reading dword from 177 (772). [ 34.197474][ T106] flexcop_usb: error while reading dword from 162 (520). [ 34.217441][ T106] flexcop_usb: error while writing dword from 49 (772). [ 34.237539][ T106] flexcop_usb: error while writing dword from 34 (520). [ 34.257460][ T106] flexcop_usb: error while reading dword from 177 (772). [ 34.277659][ T106] flexcop_usb: error while reading dword from 162 (520). [ 34.297471][ T106] flexcop_usb: error while writing dword from 49 (772). [ 34.317541][ T106] flexcop_usb: error while writing dword from 34 (520). [ 34.337466][ T106] flexcop_usb: error while reading dword from 178 (776). [ 34.357477][ T106] flexcop_usb: error while reading dword from 162 (520). [ 34.377446][ T106] flexcop_usb: error while writing dword from 50 (776). [ 34.397467][ T106] flexcop_usb: error while writing dword from 34 (520). [ 34.417618][ T106] flexcop_usb: error while reading dword from 178 (776). [ 34.437448][ T106] flexcop_usb: error while reading dword from 162 (520). [ 34.457622][ T106] flexcop_usb: error while writing dword from 50 (776). [ 34.477485][ T106] flexcop_usb: error while writing dword from 34 (520). [ 34.497465][ T106] flexcop_usb: error while writing dword from 51 (780). [ 34.517491][ T106] flexcop_usb: error while reading dword from 162 (520). [ 34.537769][ T106] flexcop_usb: error while writing dword from 34 (520). [ 34.557442][ T106] flexcop_usb: error while reading dword from 178 (776). [ 34.577448][ T106] flexcop_usb: error while writing dword from 50 (776). [ 34.597459][ T106] flexcop_usb: error while reading dword from 162 (520). [ 34.617496][ T106] flexcop_usb: error while writing dword from 34 (520). [ 34.637567][ T106] flexcop_usb: error while reading dword from 162 (520). [ 34.657493][ T106] flexcop_usb: error while writing dword from 34 (520). [ 34.664756][ T106] dvbdev: DVB: registering new adapter (FlexCop Digital TV device) [ 34.697484][ T106] b2c2-flexcop: reading of MAC address failed. [ 34.697484][ T106] [ 34.757472][ T106] CX24123: wrong demod revision: 0 [ 35.057639][ T106] nxt200x: Unknown/Unsupported NXT chip: 00 00 00 00 00 [ 35.077692][ T106] lgdt330x 0-0059: Demod loaded for LGDT3303 chip [ 35.085345][ T106] tuner-simple 0-0061: creating new instance [ 35.091734][ T106] tuner-simple 0-0061: type set to 64 (LG TDVS-H06xF) [ 35.098695][ T106] b2c2-flexcop: found 'LG Electronics LGDT3303 VSB/QAM Frontend' . [ 35.106827][ T106] usb 1-1: DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3303 VSB/QAM Frontend)... [ 35.119098][ T106] b2c2-flexcop: initialization of 'Air2PC/AirStar 2 ATSC 3rd generation (HD5000)' at the 'USB' bus controlled by a 'FlexCopIII' complete [ 35.133228][ T106] kasan: CONFIG_KASAN_INLINE enabled [ 35.138748][ T106] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.146853][ T106] general protection fault: 0000 [#1] SMP KASAN [ 35.153230][ T106] CPU: 1 PID: 106 Comm: kworker/1:2 Not tainted 5.2.0-rc6+ #13 [ 35.160892][ T106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.170970][ T106] Workqueue: usb_hub_wq hub_event [ 35.176004][ T106] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x8e5 [ 35.182449][ T106] 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 [ 35.202076][ T106] RSP: 0018:ffff8881d4107230 EFLAGS: 00010247 [ 35.208151][ T106] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8410621b [ 35.216150][ T106] RDX: 0000000000000000 RSI: ffffffff841062db RDI: 0000000000000004 [ 35.224138][ T106] RBP: ffff8881d0ba9108 R08: ffff8881d40f8000 R09: ffffed103b665d30 [ 35.240077][ T106] R10: ffffed103b665d2f R11: ffff8881db32e97f R12: ffff8881d0ba9148 [ 35.248128][ T106] R13: 0000000000000000 R14: ffff8881d0ba9100 R15: ffff8881d5bc0000 [ 35.256396][ T106] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 35.265437][ T106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.272226][ T106] CR2: 0000000000c9b2f0 CR3: 00000001d4e72000 CR4: 00000000001406e0 [ 35.280220][ T106] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.288317][ T106] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.296472][ T106] Call Trace: [ 35.299769][ T106] ? rpm_callback+0x230/0x230 [ 35.304458][ T106] ? lockdep_hardirqs_on+0x379/0x580 [ 35.309741][ T106] ? __pm_runtime_resume+0x111/0x180 [ 35.315024][ T106] usb_probe_interface+0x305/0x7a0 [ 35.320471][ T106] ? usb_probe_device+0x100/0x100 [ 35.325606][ T106] really_probe+0x281/0x660 [ 35.330127][ T106] driver_probe_device+0x104/0x210 [ 35.335321][ T106] __device_attach_driver+0x1c2/0x220 [ 35.340693][ T106] ? driver_allows_async_probing+0x160/0x160 [ 35.347276][ T106] bus_for_each_drv+0x15c/0x1e0 [ 35.352234][ T106] ? bus_rescan_devices+0x20/0x20 [ 35.357766][ T106] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 35.363935][ T106] ? lockdep_hardirqs_on+0x379/0x580 [ 35.369251][ T106] __device_attach+0x217/0x360 [ 35.374023][ T106] ? device_bind_driver+0xd0/0xd0 [ 35.379132][ T106] ? kobject_uevent_env+0x29e/0x1150 [ 35.384493][ T106] ? kobject_uevent_env+0x2a8/0x1150 [ 35.389771][ T106] bus_probe_device+0x1e4/0x290 [ 35.394615][ T106] ? blocking_notifier_call_chain+0x54/0xa0 [ 35.400699][ T106] device_add+0xae6/0x16f0 [ 35.405104][ T106] ? uevent_store+0x50/0x50 [ 35.409592][ T106] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 35.415481][ T106] usb_set_configuration+0xdf6/0x1670 [ 35.420947][ T106] generic_probe+0x9d/0xd5 [ 35.425361][ T106] usb_probe_device+0x99/0x100 [ 35.430143][ T106] ? usb_suspend+0x620/0x620 [ 35.434727][ T106] really_probe+0x281/0x660 [ 35.439220][ T106] driver_probe_device+0x104/0x210 [ 35.444591][ T106] __device_attach_driver+0x1c2/0x220 [ 35.450326][ T106] ? driver_allows_async_probing+0x160/0x160 [ 35.456294][ T106] bus_for_each_drv+0x15c/0x1e0 [ 35.461130][ T106] ? bus_rescan_devices+0x20/0x20 [ 35.466149][ T106] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 35.472142][ T106] ? lockdep_hardirqs_on+0x379/0x580 [ 35.477452][ T106] __device_attach+0x217/0x360 [ 35.482241][ T106] ? device_bind_driver+0xd0/0xd0 [ 35.487255][ T106] ? kobject_uevent_env+0x29e/0x1150 [ 35.492596][ T106] ? kobject_uevent_env+0x2a8/0x1150 [ 35.497869][ T106] bus_probe_device+0x1e4/0x290 [ 35.502713][ T106] ? blocking_notifier_call_chain+0x54/0xa0 [ 35.508619][ T106] device_add+0xae6/0x16f0 [ 35.513028][ T106] ? uevent_store+0x50/0x50 [ 35.517591][ T106] usb_new_device.cold+0x8c1/0x1016 [ 35.522813][ T106] ? usb_port_suspend+0xa40/0xa40 [ 35.527838][ T106] ? mark_held_locks+0x9f/0xe0 [ 35.532705][ T106] ? _raw_spin_unlock_irq+0x24/0x30 [ 35.538005][ T106] hub_event+0x1ada/0x3590 [ 35.542428][ T106] ? hub_port_debounce+0x260/0x260 [ 35.547641][ T106] process_one_work+0x905/0x1570 [ 35.552574][ T106] ? pwq_dec_nr_in_flight+0x310/0x310 [ 35.557933][ T106] ? do_raw_spin_lock+0x11a/0x280 [ 35.562943][ T106] worker_thread+0x96/0xe20 [ 35.567782][ T106] ? process_one_work+0x1570/0x1570 [ 35.573491][ T106] kthread+0x30b/0x410 [ 35.577612][ T106] ? kthread_park+0x1a0/0x1a0 [ 35.582360][ T106] ret_from_fork+0x24/0x30 [ 35.586770][ T106] Modules linked in: [ 35.590758][ T106] ---[ end trace 500590b8dd51f81c ]--- [ 35.596240][ T106] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x8e5 [ 35.602425][ T106] 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 [ 35.622606][ T106] RSP: 0018:ffff8881d4107230 EFLAGS: 00010247 [ 35.628812][ T106] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8410621b [ 35.636815][ T106] RDX: 0000000000000000 RSI: ffffffff841062db RDI: 0000000000000004 [ 35.644961][ T106] RBP: ffff8881d0ba9108 R08: ffff8881d40f8000 R09: ffffed103b665d30 [ 35.653145][ T106] R10: ffffed103b665d2f R11: ffff8881db32e97f R12: ffff8881d0ba9148 [ 35.661335][ T106] R13: 0000000000000000 R14: ffff8881d0ba9100 R15: ffff8881d5bc0000 [ 35.669504][ T106] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 35.678476][ T106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.685204][ T106] CR2: 0000000000c9b2f0 CR3: 00000001d4e72000 CR4: 00000000001406e0 [ 35.693330][ T106] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.701472][ T106] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.709474][ T106] Kernel panic - not syncing: Fatal exception [ 35.716677][ T106] Kernel Offset: disabled [ 35.721204][ T106] Rebooting in 86400 seconds..