[....] 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[ 12.928378][ T1664] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.446133][ T1698] random: sshd: uninitialized urandom read (32 bytes read) [ 17.571704][ T1701] random: sshd: uninitialized urandom read (32 bytes read) [ 17.946608][ C0] random: crng init done Warning: Permanently added '10.128.0.225' (ECDSA) to the list of known hosts. executing program [ 41.046258][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 41.286129][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 41.406297][ T12] usb 1-1: config 0 has an invalid interface number: 148 but max is 0 [ 41.414765][ T12] usb 1-1: config 0 has no interface number 0 [ 41.420867][ T12] usb 1-1: config 0 interface 148 has no altsetting 0 [ 41.427662][ T12] usb 1-1: New USB device found, idVendor=0af7, idProduct=0101, bcdDevice=39.08 [ 41.436773][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.445717][ T12] usb 1-1: config 0 descriptor?? [ 41.487688][ T12] flexcop_usb: running at HIGH speed. executing program [ 41.706192][ T12] flexcop_usb: error while writing dword from 34 (520). [ 41.726181][ T12] flexcop_usb: error while writing dword from 36 (528). [ 41.776183][ T12] flexcop_usb: error while reading dword from 161 (516). [ 41.796252][ T12] flexcop_usb: error while writing dword from 33 (516). [ 41.846182][ T12] flexcop_usb: error while writing dword from 33 (516). [ 41.866179][ T12] flexcop_usb: error while reading dword from 161 (516). [ 41.886148][ T12] flexcop_usb: error while reading dword from 247 (1820). [ 41.906184][ T12] flexcop_usb: error while writing dword from 119 (1820). [ 41.926148][ T12] flexcop_usb: error while reading dword from 176 (768). [ 41.946145][ T12] flexcop_usb: error while reading dword from 162 (520). [ 41.966145][ T12] flexcop_usb: error while writing dword from 48 (768). [ 41.986149][ T12] flexcop_usb: error while writing dword from 34 (520). [ 42.006141][ T12] flexcop_usb: error while reading dword from 176 (768). [ 42.026139][ T12] flexcop_usb: error while reading dword from 162 (520). [ 42.046150][ T12] flexcop_usb: error while writing dword from 48 (768). [ 42.066167][ T12] flexcop_usb: error while writing dword from 34 (520). [ 42.086155][ T12] flexcop_usb: error while reading dword from 177 (772). [ 42.106172][ T12] flexcop_usb: error while reading dword from 162 (520). [ 42.126144][ T12] flexcop_usb: error while writing dword from 49 (772). [ 42.146135][ T12] flexcop_usb: error while writing dword from 34 (520). [ 42.166169][ T12] flexcop_usb: error while reading dword from 177 (772). [ 42.186148][ T12] flexcop_usb: error while reading dword from 162 (520). [ 42.206143][ T12] flexcop_usb: error while writing dword from 49 (772). [ 42.226181][ T12] flexcop_usb: error while writing dword from 34 (520). [ 42.246151][ T12] flexcop_usb: error while reading dword from 178 (776). [ 42.266145][ T12] flexcop_usb: error while reading dword from 162 (520). [ 42.286163][ T12] flexcop_usb: error while writing dword from 50 (776). [ 42.306233][ T12] flexcop_usb: error while writing dword from 34 (520). [ 42.326149][ T12] flexcop_usb: error while reading dword from 178 (776). [ 42.346142][ T12] flexcop_usb: error while reading dword from 162 (520). [ 42.366179][ T12] flexcop_usb: error while writing dword from 50 (776). [ 42.386141][ T12] flexcop_usb: error while writing dword from 34 (520). [ 42.406151][ T12] flexcop_usb: error while writing dword from 51 (780). [ 42.426150][ T12] flexcop_usb: error while reading dword from 162 (520). [ 42.446161][ T12] flexcop_usb: error while writing dword from 34 (520). [ 42.466153][ T12] flexcop_usb: error while reading dword from 178 (776). [ 42.486151][ T12] flexcop_usb: error while writing dword from 50 (776). [ 42.506143][ T12] flexcop_usb: error while reading dword from 162 (520). [ 42.526147][ T12] flexcop_usb: error while writing dword from 34 (520). [ 42.546147][ T12] flexcop_usb: error while reading dword from 162 (520). [ 42.566174][ T12] flexcop_usb: error while writing dword from 34 (520). [ 42.573378][ T12] dvbdev: DVB: registering new adapter (FlexCop Digital TV device) [ 42.606192][ T12] b2c2-flexcop: reading of MAC address failed. [ 42.606192][ T12] [ 42.666163][ T12] CX24123: wrong demod revision: 0 [ 42.966154][ T12] nxt200x: Unknown/Unsupported NXT chip: 00 00 00 00 00 [ 42.986265][ T12] lgdt330x 0-0059: Demod loaded for LGDT3303 chip [ 42.993210][ T12] tuner-simple 0-0061: creating new instance [ 42.999404][ T12] tuner-simple 0-0061: type set to 64 (LG TDVS-H06xF) [ 43.006208][ T12] b2c2-flexcop: found 'LG Electronics LGDT3303 VSB/QAM Frontend' . [ 43.014173][ T12] usb 1-1: DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3303 VSB/QAM Frontend)... [ 43.025571][ T12] b2c2-flexcop: initialization of 'Air2PC/AirStar 2 ATSC 3rd generation (HD5000)' at the 'USB' bus controlled by a 'FlexCopIII' complete [ 43.039599][ T12] kasan: CONFIG_KASAN_INLINE enabled [ 43.044874][ T12] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.052943][ T12] general protection fault: 0000 [#1] SMP KASAN [ 43.059311][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc5+ #28 [ 43.066729][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.076756][ T12] Workqueue: usb_hub_wq hub_event [ 43.081924][ T12] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x7bd [ 43.088050][ T12] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 d1 de 61 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 [ 43.107632][ T12] RSP: 0018:ffff8881da20f2e8 EFLAGS: 00010247 [ 43.113664][ T12] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8402a6ab [ 43.121736][ T12] RDX: 0000000000000000 RSI: ffffffff8402a76b RDI: 0000000000000004 [ 43.129682][ T12] RBP: ffff8881d20c0008 R08: ffff8881da1f9800 R09: ffffed103b645d58 [ 43.137617][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881d20c0048 [ 43.145569][ T12] R13: 0000000000000000 R14: ffff8881d20c0000 R15: ffff8881d65e0000 [ 43.153525][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 43.162418][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.168967][ T12] CR2: 00000000018d57d0 CR3: 00000001d0cbe000 CR4: 00000000001406f0 [ 43.176903][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.184838][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.192775][ T12] Call Trace: [ 43.196038][ T12] ? rpm_callback+0x230/0x230 [ 43.200694][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 43.206037][ T12] ? __pm_runtime_resume+0x111/0x180 [ 43.211298][ T12] usb_probe_interface+0x305/0x7a0 [ 43.216383][ T12] ? usb_probe_device+0x100/0x100 [ 43.221376][ T12] really_probe+0x281/0x6d0 [ 43.225861][ T12] driver_probe_device+0x101/0x1b0 [ 43.231156][ T12] __device_attach_driver+0x1c2/0x220 [ 43.236504][ T12] ? driver_allows_async_probing+0x160/0x160 [ 43.242451][ T12] bus_for_each_drv+0x162/0x1e0 [ 43.247268][ T12] ? bus_rescan_devices+0x20/0x20 [ 43.252258][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.258026][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 43.263277][ T12] __device_attach+0x217/0x360 [ 43.268005][ T12] ? device_bind_driver+0xd0/0xd0 [ 43.272995][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 43.278243][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 43.283496][ T12] bus_probe_device+0x1e4/0x290 [ 43.288468][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.294326][ T12] device_add+0xae6/0x16f0 [ 43.298706][ T12] ? uevent_store+0x50/0x50 [ 43.303172][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.308940][ T12] usb_set_configuration+0xdf6/0x1670 [ 43.314279][ T12] generic_probe+0x9d/0xd5 [ 43.318659][ T12] usb_probe_device+0x99/0x100 [ 43.323385][ T12] ? usb_suspend+0x620/0x620 [ 43.327947][ T12] really_probe+0x281/0x6d0 [ 43.332418][ T12] driver_probe_device+0x101/0x1b0 [ 43.337494][ T12] __device_attach_driver+0x1c2/0x220 [ 43.342829][ T12] ? driver_allows_async_probing+0x160/0x160 [ 43.348770][ T12] bus_for_each_drv+0x162/0x1e0 [ 43.353584][ T12] ? bus_rescan_devices+0x20/0x20 [ 43.358571][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.364344][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 43.369724][ T12] __device_attach+0x217/0x360 [ 43.374455][ T12] ? device_bind_driver+0xd0/0xd0 [ 43.379452][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 43.384699][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 43.389951][ T12] bus_probe_device+0x1e4/0x290 [ 43.394765][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.400620][ T12] device_add+0xae6/0x16f0 [ 43.405000][ T12] ? uevent_store+0x50/0x50 [ 43.409469][ T12] usb_new_device.cold+0x6a4/0xe79 [ 43.414636][ T12] hub_event+0x1b5c/0x3640 [ 43.419022][ T12] ? hub_port_debounce+0x260/0x260 [ 43.424100][ T12] process_one_work+0x92b/0x1530 [ 43.429003][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.434468][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 43.439482][ T12] worker_thread+0x96/0xe20 [ 43.443952][ T12] ? process_one_work+0x1530/0x1530 [ 43.449110][ T12] kthread+0x318/0x420 [ 43.453142][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 43.458550][ T12] ret_from_fork+0x24/0x30 [ 43.462938][ T12] Modules linked in: [ 43.466874][ T12] ---[ end trace 8ebd4e42afe37322 ]--- [ 43.472324][ T12] RIP: 0010:flexcop_usb_probe.cold+0x1cb/0x7bd [ 43.478467][ T12] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 d1 de 61 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 [ 43.498053][ T12] RSP: 0018:ffff8881da20f2e8 EFLAGS: 00010247 [ 43.504184][ T12] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8402a6ab [ 43.512147][ T12] RDX: 0000000000000000 RSI: ffffffff8402a76b RDI: 0000000000000004 [ 43.520110][ T12] RBP: ffff8881d20c0008 R08: ffff8881da1f9800 R09: ffffed103b645d58 [ 43.528080][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881d20c0048 [ 43.536030][ T12] R13: 0000000000000000 R14: ffff8881d20c0000 R15: ffff8881d65e0000 [ 43.543988][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 43.552904][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.559474][ T12] CR2: 00000000018d57d0 CR3: 00000001d0cbe000 CR4: 00000000001406f0 [ 43.567454][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.575402][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.583364][ T12] Kernel panic - not syncing: Fatal exception [ 43.589893][ T12] Kernel Offset: disabled [ 43.594195][ T12] Rebooting in 86400 seconds..