[....] 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. [ 42.465005][ T22] kauditd_printk_skb: 8 callbacks suppressed [ 42.465015][ T22] audit: type=1800 audit(1556596881.614:29): pid=4966 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 42.491689][ T22] audit: type=1800 audit(1556596881.614:30): pid=4966 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.6' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 68.609403][ T21] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 68.619396][ T12] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 68.619703][ T584] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 68.627090][ T5133] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 68.642330][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 68.650093][ T5135] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 68.849417][ T21] usb 6-1: Using ep0 maxpacket: 8 [ 68.859466][ T12] usb 3-1: Using ep0 maxpacket: 8 [ 68.889357][ T5133] usb 5-1: Using ep0 maxpacket: 8 [ 68.889364][ T584] usb 2-1: Using ep0 maxpacket: 8 [ 68.899545][ T5135] usb 4-1: Using ep0 maxpacket: 8 [ 68.904605][ T5] usb 1-1: Using ep0 maxpacket: 8 [ 68.979495][ T21] usb 6-1: config 0 interface 0 has no altsetting 0 [ 68.986309][ T21] usb 6-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 68.989502][ T12] usb 3-1: config 0 interface 0 has no altsetting 0 [ 68.995623][ T21] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.002288][ T12] usb 3-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 69.015358][ T21] usb 6-1: config 0 descriptor?? [ 69.019377][ T12] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.019480][ T5135] usb 4-1: config 0 interface 0 has no altsetting 0 [ 69.039408][ T5135] usb 4-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 69.039432][ T584] usb 2-1: config 0 interface 0 has no altsetting 0 [ 69.048421][ T5135] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.059519][ T5] usb 1-1: config 0 interface 0 has no altsetting 0 [ 69.063411][ T584] usb 2-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 69.069981][ T5] usb 1-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 69.079052][ T584] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.088116][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.101859][ T21] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 found [ 69.104258][ T5133] usb 5-1: config 0 interface 0 has no altsetting 0 [ 69.115329][ T584] usb 2-1: config 0 descriptor?? [ 69.118491][ T5133] usb 5-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 69.118499][ T5133] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.118817][ T12] usb 3-1: config 0 descriptor?? [ 69.148412][ T5135] usb 4-1: config 0 descriptor?? [ 69.154145][ T5133] usb 5-1: config 0 descriptor?? [ 69.159927][ T5] usb 1-1: config 0 descriptor?? [ 69.161126][ T584] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 found [ 69.191027][ T5135] snd_usb_toneport 4-1:0.0: Line 6 POD Studio UX2 found [ 69.199653][ T5133] snd_usb_toneport 5-1:0.0: Line 6 POD Studio UX2 found [ 69.208215][ T5] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 found [ 69.217950][ T12] snd_usb_toneport 3-1:0.0: Line 6 POD Studio UX2 found executing program [ 69.289450][ T21] snd_usb_toneport 6-1:0.0: read request failed (error -71) [ 69.309425][ T21] snd_usb_toneport 6-1:0.0: read request failed (error -71) [ 69.339406][ T21] snd_usb_toneport 6-1:0.0: write request failed (error -71) [ 69.370275][ T21] usb 6-1: send failed (error -71) executing program executing program executing program executing program executing program [ 69.389435][ T21] usb 6-1: send failed (error -71) [ 69.406026][ T21] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 now attached [ 69.418023][ T584] snd_usb_toneport 2-1:0.0: read request failed (error -71) [ 69.419486][ T5133] snd_usb_toneport 5-1:0.0: read request failed (error -71) [ 69.432340][ T21] usb 6-1: USB disconnect, device number 2 [ 69.433501][ T5135] snd_usb_toneport 4-1:0.0: read request failed (error -71) [ 69.446598][ T5] snd_usb_toneport 1-1:0.0: read request failed (error -71) [ 69.449396][ T584] snd_usb_toneport 2-1:0.0: read request failed (error -71) [ 69.453983][ T12] snd_usb_toneport 3-1:0.0: read request failed (error -71) [ 69.477376][ T21] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 now disconnected [ 69.479427][ T5133] snd_usb_toneport 5-1:0.0: read request failed (error -71) [ 69.492855][ T5135] snd_usb_toneport 4-1:0.0: read request failed (error -71) [ 69.500430][ T12] snd_usb_toneport 3-1:0.0: read request failed (error -71) [ 69.507859][ T5] snd_usb_toneport 1-1:0.0: read request failed (error -71) [ 69.509373][ T584] snd_usb_toneport 2-1:0.0: write request failed (error -71) [ 69.529499][ T12] snd_usb_toneport 3-1:0.0: write request failed (error -71) [ 69.537124][ T5] snd_usb_toneport 1-1:0.0: write request failed (error -71) [ 69.544952][ T5135] snd_usb_toneport 4-1:0.0: write request failed (error -71) [ 69.550593][ T584] usb 2-1: send failed (error -71) [ 69.552421][ T5133] snd_usb_toneport 5-1:0.0: write request failed (error -71) [ 69.569432][ T584] usb 2-1: send failed (error -71) [ 69.579430][ T5] usb 1-1: send failed (error -71) [ 69.584734][ T12] usb 3-1: send failed (error -71) [ 69.586806][ T584] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 now attached [ 69.590103][ T5135] usb 4-1: send failed (error -71) [ 69.598525][ T584] usb 2-1: USB disconnect, device number 2 [ 69.605394][ T5133] usb 5-1: send failed (error -71) [ 69.617106][ T584] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 now disconnected [ 69.619394][ T12] usb 3-1: send failed (error -71) [ 69.630540][ T5] usb 1-1: send failed (error -71) [ 69.635751][ T5135] usb 4-1: send failed (error -71) [ 69.641866][ T5133] usb 5-1: send failed (error -71) [ 69.651822][ T5] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 now attached [ 69.664331][ T5135] snd_usb_toneport 4-1:0.0: Line 6 POD Studio UX2 now attached [ 69.676570][ T12] snd_usb_toneport 3-1:0.0: Line 6 POD Studio UX2 now attached [ 69.687432][ T5133] snd_usb_toneport 5-1:0.0: Line 6 POD Studio UX2 now attached [ 69.695292][ T5] usb 1-1: USB disconnect, device number 2 [ 69.701880][ T5135] usb 4-1: USB disconnect, device number 2 [ 69.709177][ T12] usb 3-1: USB disconnect, device number 2 [ 69.715221][ T5133] usb 5-1: USB disconnect, device number 2 [ 69.725295][ T5] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 now disconnected [ 69.736163][ T5135] snd_usb_toneport 4-1:0.0: Line 6 POD Studio UX2 now disconnected [ 69.746180][ T12] snd_usb_toneport 3-1:0.0: Line 6 POD Studio UX2 now disconnected [ 69.757268][ T5133] snd_usb_toneport 5-1:0.0: Line 6 POD Studio UX2 now disconnected [ 69.869360][ T21] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 69.999357][ T584] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 70.119407][ T21] usb 6-1: Using ep0 maxpacket: 8 [ 70.119417][ T5135] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 70.132208][ T12] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 70.139763][ T5133] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 70.147290][ T5] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 70.239363][ T584] usb 2-1: Using ep0 maxpacket: 8 [ 70.249429][ T21] usb 6-1: config 0 interface 0 has no altsetting 0 [ 70.256106][ T21] usb 6-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 70.265227][ T21] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.274544][ T21] usb 6-1: config 0 descriptor?? [ 70.321734][ T21] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 found [ 70.359461][ T584] usb 2-1: config 0 interface 0 has no altsetting 0 [ 70.366170][ T584] usb 2-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 70.375266][ T584] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.384246][ T584] usb 2-1: config 0 descriptor?? [ 70.389688][ T5133] usb 5-1: Using ep0 maxpacket: 8 [ 70.394852][ T5] usb 1-1: Using ep0 maxpacket: 8 [ 70.399927][ T12] usb 3-1: Using ep0 maxpacket: 8 [ 70.429517][ T5135] usb 4-1: Using ep0 maxpacket: 8 [ 70.431046][ T584] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 found executing program [ 70.509504][ T5133] usb 5-1: config 0 interface 0 has no altsetting 0 [ 70.516204][ T5133] usb 5-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 70.525370][ T5133] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.533637][ T12] usb 3-1: config 0 interface 0 has no altsetting 0 [ 70.540298][ T12] usb 3-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 70.549565][ T12] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.557720][ T5] usb 1-1: config 0 interface 0 has no altsetting 0 [ 70.559436][ T21] snd_usb_toneport 6-1:0.0: read request failed (error -71) [ 70.564414][ T5] usb 1-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 70.580948][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.589002][ T5135] usb 4-1: config 0 interface 0 has no altsetting 0 [ 70.589415][ T21] snd_usb_toneport 6-1:0.0: read request failed (error -71) executing program [ 70.595679][ T5135] usb 4-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 70.612272][ T5135] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.620745][ T21] snd_usb_toneport 6-1:0.0: write request failed (error -71) [ 70.621331][ T5133] usb 5-1: config 0 descriptor?? [ 70.634873][ T12] usb 3-1: config 0 descriptor?? [ 70.640917][ T5] usb 1-1: config 0 descriptor?? [ 70.646698][ T5135] usb 4-1: config 0 descriptor?? [ 70.649428][ T21] usb 6-1: send failed (error -71) [ 70.660269][ T584] snd_usb_toneport 2-1:0.0: read request failed (error -71) [ 70.669423][ T21] usb 6-1: send failed (error -71) [ 70.680527][ T584] snd_usb_toneport 2-1:0.0: read request failed (error -71) [ 70.681289][ T12] snd_usb_toneport 3-1:0.0: Line 6 POD Studio UX2 found [ 70.698167][ T5] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 found [ 70.706787][ T5133] snd_usb_toneport 5-1:0.0: Line 6 POD Studio UX2 found [ 70.709486][ T584] snd_usb_toneport 2-1:0.0: write request failed (error -71) [ 70.723463][ T21] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 now attached [ 70.731848][ T21] usb 6-1: USB disconnect, device number 3 [ 70.741265][ T5135] ------------[ cut here ]------------ [ 70.747025][ T5135] proc_dir_entry 'asound/card4' already registered [ 70.749397][ T584] usb 2-1: send failed (error -71) [ 70.753917][ T5135] WARNING: CPU: 0 PID: 5135 at fs/proc/generic.c:359 proc_register+0x3d9/0x550 [ 70.767849][ T5135] Kernel panic - not syncing: panic_on_warn set ... [ 70.769417][ T584] usb 2-1: send failed (error -71) [ 70.774432][ T5135] CPU: 0 PID: 5135 Comm: kworker/0:3 Not tainted 5.1.0-rc3-319004-g43151d6 #6 [ 70.788425][ T5135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.798495][ T5135] Workqueue: usb_hub_wq hub_event [ 70.803498][ T5135] Call Trace: [ 70.806788][ T5135] dump_stack+0xe8/0x16e [ 70.811026][ T5135] ? proc_register+0x2e0/0x550 [ 70.815780][ T5135] panic+0x29d/0x5f2 [ 70.819676][ T5135] ? __warn_printk+0xf8/0xf8 [ 70.824382][ T5135] ? proc_register+0x3d9/0x550 [ 70.829145][ T5135] ? __probe_kernel_read+0x171/0x1b0 [ 70.834421][ T5135] ? __warn.cold+0x5/0x48 [ 70.838756][ T5135] ? __warn+0xe9/0x1d0 [ 70.842808][ T5135] ? proc_register+0x3d9/0x550 [ 70.847690][ T5135] __warn.cold+0x20/0x48 [ 70.851924][ T5135] ? proc_register+0x3d9/0x550 [ 70.856674][ T5135] report_bug+0x262/0x2a0 [ 70.861133][ T5135] do_error_trap+0x130/0x1f0 [ 70.865870][ T5135] ? proc_register+0x3d9/0x550 [ 70.870626][ T5135] do_invalid_op+0x37/0x40 [ 70.875024][ T5135] ? proc_register+0x3d9/0x550 [ 70.880137][ T5135] invalid_op+0x14/0x20 [ 70.884366][ T5135] RIP: 0010:proc_register+0x3d9/0x550 [ 70.889744][ T5135] Code: ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 61 01 00 00 48 8b 04 24 48 c7 c7 20 a2 79 8e 48 8b b0 d0 00 00 00 e8 17 d0 71 ff <0f> 0b 48 c7 c7 60 91 91 91 e8 59 94 33 0c 48 8b 4c 24 28 48 b8 00 [ 70.909471][ T5135] RSP: 0018:ffff888095fdf040 EFLAGS: 00010282 [ 70.915514][ T5135] RAX: 0000000000000000 RBX: ffff888214fc2340 RCX: 0000000000000000 [ 70.923467][ T5135] RDX: 0000000000000000 RSI: ffffffff815b2342 RDI: ffffed1012bfbdfa [ 70.931427][ T5135] RBP: ffff888091683b40 R08: ffff888094ad8000 R09: 0000000000000000 [ 70.939385][ T5135] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 70.947334][ T5135] R13: dffffc0000000000 R14: ffff888092c250b8 R15: 0000000000000005 [ 70.955420][ T5135] ? vprintk_func+0x82/0x118 [ 70.960021][ T5135] proc_mkdir_data+0x17b/0x230 [ 70.964941][ T5135] ? proc_symlink+0x1c0/0x1c0 [ 70.969800][ T5135] ? lockdep_init_map+0x1b0/0x600 [ 70.974818][ T5135] snd_info_register+0x2f8/0x3e0 [ 70.979806][ T5135] create_subdir+0x69/0xa0 [ 70.984226][ T5135] snd_info_card_create+0xcf/0x230 [ 70.989338][ T5135] ? snd_info_check_reserved_words+0xd0/0xd0 [ 70.995306][ T5135] snd_card_new+0x61d/0x920 [ 70.999868][ T5135] line6_probe+0x135/0x1150 [ 71.004370][ T5135] ? line6_toneport_disconnect+0x1a0/0x1a0 [ 71.010233][ T5135] ? __pm_runtime_set_status+0x5d6/0xa10 [ 71.015883][ T5135] ? line6_disconnect+0x1f0/0x1f0 [ 71.020912][ T5135] ? rpm_callback+0x240/0x240 [ 71.025587][ T5135] ? lockdep_hardirqs_on+0x37e/0x580 [ 71.030860][ T5135] ? __pm_runtime_resume+0x116/0x180 [ 71.036204][ T5135] usb_probe_interface+0x31d/0x820 [ 71.041326][ T5135] ? usb_probe_device+0x150/0x150 [ 71.046501][ T5135] really_probe+0x2da/0xb10 [ 71.051002][ T5135] driver_probe_device+0x21d/0x350 [ 71.056313][ T5135] __device_attach_driver+0x1d8/0x290 [ 71.061806][ T5135] ? driver_allows_async_probing+0x160/0x160 [ 71.067887][ T5135] bus_for_each_drv+0x163/0x1e0 [ 71.072747][ T5135] ? bus_rescan_devices+0x30/0x30 [ 71.077766][ T5135] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 71.083571][ T5135] ? lockdep_hardirqs_on+0x37e/0x580 [ 71.089058][ T5135] __device_attach+0x223/0x3a0 [ 71.093806][ T5135] ? device_bind_driver+0xe0/0xe0 [ 71.098831][ T5135] ? kobject_uevent_env+0x295/0x13d0 [ 71.104099][ T5135] bus_probe_device+0x1f1/0x2a0 [ 71.108935][ T5135] ? blocking_notifier_call_chain+0x59/0xb0 [ 71.114816][ T5135] device_add+0xad2/0x16e0 [ 71.119211][ T5135] ? get_device_parent.isra.0+0x560/0x560 [ 71.125087][ T5135] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 71.131045][ T5135] usb_set_configuration+0xdf7/0x1740 [ 71.139499][ T5135] generic_probe+0xa2/0xda [ 71.143900][ T5135] usb_probe_device+0xc0/0x150 [ 71.148647][ T5135] ? usb_suspend+0x5f0/0x5f0 [ 71.153327][ T5135] really_probe+0x2da/0xb10 [ 71.157827][ T5135] driver_probe_device+0x21d/0x350 [ 71.162927][ T5135] __device_attach_driver+0x1d8/0x290 [ 71.168343][ T5135] ? driver_allows_async_probing+0x160/0x160 [ 71.174334][ T5135] bus_for_each_drv+0x163/0x1e0 [ 71.179184][ T5135] ? bus_rescan_devices+0x30/0x30 [ 71.184201][ T5135] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 71.190006][ T5135] ? lockdep_hardirqs_on+0x37e/0x580 [ 71.195288][ T5135] __device_attach+0x223/0x3a0 [ 71.200132][ T5135] ? device_bind_driver+0xe0/0xe0 [ 71.205148][ T5135] ? kobject_uevent_env+0x295/0x13d0 [ 71.210413][ T5135] bus_probe_device+0x1f1/0x2a0 [ 71.215247][ T5135] ? blocking_notifier_call_chain+0x59/0xb0 [ 71.221117][ T5135] device_add+0xad2/0x16e0 [ 71.225515][ T5135] ? get_device_parent.isra.0+0x560/0x560 [ 71.231226][ T5135] usb_new_device.cold+0x537/0xccf [ 71.236404][ T5135] hub_event+0x138e/0x3b00 [ 71.240816][ T5135] ? hub_port_debounce+0x350/0x350 [ 71.245931][ T5135] ? _raw_spin_unlock_irq+0x29/0x40 [ 71.251122][ T5135] process_one_work+0x90f/0x1580 [ 71.256146][ T5135] ? wq_pool_ids_show+0x300/0x300 [ 71.261167][ T5135] ? do_raw_spin_lock+0x11f/0x290 [ 71.266179][ T5135] worker_thread+0x7b0/0xe20 [ 71.270756][ T5135] ? process_one_work+0x1580/0x1580 [ 71.276472][ T5135] kthread+0x313/0x420 [ 71.280547][ T5135] ? kthread_park+0x1a0/0x1a0 [ 71.285218][ T5135] ret_from_fork+0x3a/0x50 [ 71.291005][ T5135] Kernel Offset: disabled [ 71.295419][ T5135] Rebooting in 86400 seconds..