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 '10.128.0.186' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 33.571847][ T1477] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 33.571856][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 33.591862][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 33.592404][ T2491] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 33.599451][ T4593] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 33.614652][ T23] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 33.811865][ T12] usb 6-1: Using ep0 maxpacket: 8 [ 33.831930][ T1477] usb 1-1: Using ep0 maxpacket: 8 [ 33.841812][ T2491] usb 2-1: Using ep0 maxpacket: 8 [ 33.861839][ T23] usb 5-1: Using ep0 maxpacket: 8 [ 33.867088][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 33.872506][ T4593] usb 3-1: Using ep0 maxpacket: 8 [ 33.932105][ T12] usb 6-1: config 0 interface 0 has no altsetting 0 [ 33.939045][ T12] usb 6-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 33.948433][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 33.958633][ T12] usb 6-1: config 0 descriptor?? [ 33.963970][ T2491] usb 2-1: config 0 interface 0 has no altsetting 0 [ 33.971229][ T2491] usb 2-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 33.980723][ T2491] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 33.982019][ T1477] usb 1-1: config 0 interface 0 has no altsetting 0 [ 33.990853][ T2491] usb 2-1: config 0 descriptor?? [ 33.996295][ T1477] usb 1-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 34.010245][ T1477] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 34.018460][ T17] usb 4-1: config 0 interface 0 has no altsetting 0 [ 34.024472][ T12] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 found [ 34.025158][ T17] usb 4-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 34.037070][ T2491] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 found [ 34.041570][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 34.041636][ T23] usb 5-1: config 0 interface 0 has no altsetting 0 [ 34.041652][ T23] usb 5-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 34.073548][ T23] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 34.081594][ T4593] usb 3-1: config 0 interface 0 has no altsetting 0 [ 34.088361][ T4593] usb 3-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 34.097441][ T4593] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 34.106243][ T17] usb 4-1: config 0 descriptor?? [ 34.112028][ T4593] usb 3-1: config 0 descriptor?? [ 34.117505][ T1477] usb 1-1: config 0 descriptor?? [ 34.123670][ T23] usb 5-1: config 0 descriptor?? [ 34.153271][ T17] snd_usb_toneport 4-1:0.0: Line 6 POD Studio UX2 found [ 34.161613][ T4593] snd_usb_toneport 3-1:0.0: Line 6 POD Studio UX2 found [ 34.183430][ T1477] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 found [ 34.191835][ T23] snd_usb_toneport 5-1:0.0: Line 6 POD Studio UX2 found executing program executing program [ 34.261945][ T2491] snd_usb_toneport 2-1:0.0: read request failed (error -71) [ 34.269635][ T12] snd_usb_toneport 6-1:0.0: read request failed (error -71) [ 34.291973][ T12] snd_usb_toneport 6-1:0.0: read request failed (error -71) [ 34.299805][ T2491] snd_usb_toneport 2-1:0.0: read request failed (error -71) executing program executing program [ 34.321916][ T2491] snd_usb_toneport 2-1:0.0: write request failed (error -71) [ 34.329608][ T12] snd_usb_toneport 6-1:0.0: write request failed (error -71) [ 34.354607][ T2491] usb 2-1: send failed (error -71) [ 34.361228][ T12] usb 6-1: send failed (error -71) [ 34.375067][ T17] snd_usb_toneport 4-1:0.0: read request failed (error -71) [ 34.382954][ T12] usb 6-1: send failed (error -71) [ 34.388274][ T2491] usb 2-1: send failed (error -71) [ 34.394252][ T4593] snd_usb_toneport 3-1:0.0: read request failed (error -71) [ 34.408823][ T2491] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 now attached [ 34.417537][ T12] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 now attached executing program executing program [ 34.422368][ T17] snd_usb_toneport 4-1:0.0: read request failed (error -71) [ 34.436583][ T2491] usb 2-1: USB disconnect, device number 2 [ 34.436600][ T4593] snd_usb_toneport 3-1:0.0: read request failed (error -71) [ 34.443458][ T12] usb 6-1: USB disconnect, device number 2 [ 34.456053][ T1477] snd_usb_toneport 1-1:0.0: read request failed (error -71) [ 34.463659][ T23] snd_usb_toneport 5-1:0.0: read request failed (error -71) [ 34.477849][ T2491] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 now disconnected [ 34.486327][ T23] snd_usb_toneport 5-1:0.0: read request failed (error -71) [ 34.489581][ T12] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 now disconnected [ 34.494019][ T1477] snd_usb_toneport 1-1:0.0: read request failed (error -71) [ 34.521972][ T4593] snd_usb_toneport 3-1:0.0: write request failed (error -71) [ 34.532817][ T17] snd_usb_toneport 4-1:0.0: write request failed (error -71) [ 34.542023][ T1477] snd_usb_toneport 1-1:0.0: write request failed (error -71) [ 34.549642][ T23] snd_usb_toneport 5-1:0.0: write request failed (error -71) [ 34.557376][ T4593] usb 3-1: send failed (error -71) [ 34.562773][ T17] usb 4-1: send failed (error -71) [ 34.582294][ T1477] usb 1-1: send failed (error -71) [ 34.587752][ T23] usb 5-1: send failed (error -71) [ 34.593377][ T4593] usb 3-1: send failed (error -71) [ 34.600053][ T17] usb 4-1: send failed (error -71) [ 34.614026][ T4593] snd_usb_toneport 3-1:0.0: Line 6 POD Studio UX2 now attached [ 34.622301][ T1477] usb 1-1: send failed (error -71) [ 34.631856][ T23] usb 5-1: send failed (error -71) [ 34.643918][ T17] snd_usb_toneport 4-1:0.0: Line 6 POD Studio UX2 now attached [ 34.652621][ T4593] usb 3-1: USB disconnect, device number 2 [ 34.660078][ T17] usb 4-1: USB disconnect, device number 2 [ 34.667618][ T1477] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 now attached [ 34.678300][ T23] ------------[ cut here ]------------ [ 34.684119][ T23] proc_dir_entry 'asound/PODStudioUX2' already registered [ 34.691358][ T23] WARNING: CPU: 1 PID: 23 at fs/proc/generic.c:359 proc_register+0x3d4/0x540 [ 34.700163][ T23] Kernel panic - not syncing: panic_on_warn set ... [ 34.706781][ T23] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 5.1.0-rc3+ #8 [ 34.714253][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.724533][ T23] Workqueue: usb_hub_wq hub_event [ 34.729648][ T23] Call Trace: [ 34.732965][ T23] dump_stack+0xca/0x13e [ 34.737233][ T23] ? proc_register+0x3d0/0x540 [ 34.742276][ T23] panic+0x292/0x5e1 [ 34.746191][ T23] ? __warn_printk+0xf3/0xf3 [ 34.750796][ T23] ? proc_register+0x3d4/0x540 [ 34.755585][ T23] ? __probe_kernel_read+0x16c/0x1b0 [ 34.760937][ T23] ? __warn.cold+0x5/0x53 [ 34.765287][ T23] ? __warn+0xe4/0x1c0 [ 34.769375][ T23] ? proc_register+0x3d4/0x540 [ 34.774154][ T23] __warn.cold+0x20/0x53 [ 34.778626][ T23] ? proc_register+0x3d4/0x540 [ 34.783398][ T23] report_bug+0x262/0x2a0 [ 34.787742][ T23] do_error_trap+0x12b/0x1e0 [ 34.792343][ T23] ? proc_register+0x3d4/0x540 [ 34.797133][ T23] do_invalid_op+0x32/0x40 [ 34.801580][ T23] ? proc_register+0x3d4/0x540 [ 34.806404][ T23] invalid_op+0x14/0x20 [ 34.810587][ T23] RIP: 0010:proc_register+0x3d4/0x540 [ 34.815976][ T23] 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 27 cf 85 48 8b b0 d0 00 00 00 e8 f7 75 90 ff <0f> 0b 48 c7 c7 c0 14 db 86 e8 ee 87 e6 03 48 8b 4c 24 28 48 b8 00 [ 34.835616][ T23] RSP: 0018:ffff8881d9f0ef60 EFLAGS: 00010282 [ 34.841873][ T23] RAX: 0000000000000000 RBX: ffff8881d7f170c0 RCX: 0000000000000000 [ 34.849865][ T23] RDX: 0000000000000000 RSI: ffffffff8127bbcd RDI: ffffed103b3e1dde [ 34.857938][ T23] RBP: ffff8881d91df140 R08: ffff8881d9e64800 R09: ffffed103b664d30 [ 34.865930][ T23] R10: ffffed103b664d2f R11: ffff8881db32697f R12: 0000000000000000 [ 34.873952][ T23] R13: dffffc0000000000 R14: ffff8881d91cc1f8 R15: 000000000000000c [ 34.881971][ T23] ? vprintk_func+0x7d/0x113 [ 34.886616][ T23] proc_symlink+0x142/0x1c0 [ 34.891134][ T23] ? proc_register+0x540/0x540 [ 34.895922][ T23] ? snd_info_register+0xd7/0x3e0 [ 34.901000][ T23] snd_info_card_register+0x146/0x1e0 [ 34.906392][ T23] snd_card_register+0x433/0x5c0 [ 34.911347][ T23] ? toneport_setup+0x15e/0x360 [ 34.916382][ T23] ? snd_card_set_id+0x90/0x90 [ 34.921168][ T23] ? up_write+0x18/0x150 [ 34.925484][ T23] toneport_init+0x251/0x637 [ 34.930098][ T23] ? usb_set_interface+0x79c/0xa50 [ 34.935232][ T23] line6_probe+0xafc/0x1140 [ 34.939775][ T23] ? line6_toneport_disconnect+0x1a0/0x1a0 [ 34.945883][ T23] ? line6_disconnect+0x1f0/0x1f0 [ 34.950925][ T23] ? rpm_callback+0x230/0x230 [ 34.955621][ T23] ? lockdep_hardirqs_on+0x379/0x580 [ 34.960919][ T23] ? __pm_runtime_resume+0x111/0x180 [ 34.966221][ T23] usb_probe_interface+0x30d/0x7b0 [ 34.971347][ T23] ? usb_probe_device+0x110/0x110 [ 34.976407][ T23] really_probe+0x296/0x680 [ 34.980940][ T23] driver_probe_device+0xf9/0x200 [ 34.985985][ T23] __device_attach_driver+0x1c4/0x230 [ 34.991399][ T23] ? driver_allows_async_probing+0x160/0x160 [ 34.997404][ T23] bus_for_each_drv+0x15e/0x1e0 [ 35.002313][ T23] ? bus_rescan_devices+0x20/0x20 [ 35.007357][ T23] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 35.013184][ T23] ? lockdep_hardirqs_on+0x379/0x580 [ 35.018494][ T23] __device_attach+0x21e/0x360 [ 35.023294][ T23] ? device_bind_driver+0xd0/0xd0 [ 35.028345][ T23] bus_probe_device+0x1ec/0x2a0 [ 35.033217][ T23] ? blocking_notifier_call_chain+0x54/0xa0 [ 35.039126][ T23] device_add+0xaf4/0x1700 [ 35.043740][ T23] ? uevent_store+0x50/0x50 [ 35.048274][ T23] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 35.054199][ T23] usb_set_configuration+0xdf2/0x1670 [ 35.059594][ T23] generic_probe+0x9d/0xd5 [ 35.064029][ T23] usb_probe_device+0xa8/0x110 [ 35.068811][ T23] ? usb_suspend+0x620/0x620 [ 35.073615][ T23] really_probe+0x296/0x680 [ 35.078134][ T23] driver_probe_device+0xf9/0x200 [ 35.083189][ T23] __device_attach_driver+0x1c4/0x230 [ 35.088674][ T23] ? driver_allows_async_probing+0x160/0x160 [ 35.094677][ T23] bus_for_each_drv+0x15e/0x1e0 [ 35.099551][ T23] ? bus_rescan_devices+0x20/0x20 [ 35.104625][ T23] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 35.110463][ T23] ? lockdep_hardirqs_on+0x379/0x580 [ 35.115778][ T23] __device_attach+0x21e/0x360 [ 35.121029][ T23] ? device_bind_driver+0xd0/0xd0 [ 35.127306][ T23] bus_probe_device+0x1ec/0x2a0 [ 35.132200][ T23] ? blocking_notifier_call_chain+0x54/0xa0 [ 35.138194][ T23] device_add+0xaf4/0x1700 [ 35.142636][ T23] ? uevent_store+0x50/0x50 [ 35.147164][ T23] usb_new_device.cold+0x8b8/0x1030 [ 35.152384][ T23] ? usb_port_suspend+0xa40/0xa40 [ 35.157427][ T23] ? mark_held_locks+0x9f/0xe0 [ 35.162215][ T23] ? _raw_spin_unlock_irq+0x24/0x30 [ 35.167434][ T23] hub_event+0x1ac9/0x35a0 [ 35.171871][ T23] ? hub_port_debounce+0x260/0x260 [ 35.177006][ T23] process_one_work+0x90a/0x1580 [ 35.181950][ T23] ? wq_pool_ids_show+0x300/0x300 [ 35.186976][ T23] ? do_raw_spin_lock+0x11a/0x280 [ 35.192003][ T23] worker_thread+0x96/0xe20 [ 35.196525][ T23] ? process_one_work+0x1580/0x1580 [ 35.201837][ T23] kthread+0x30e/0x420 [ 35.205956][ T23] ? kthread_park+0x1a0/0x1a0 [ 35.210781][ T23] ret_from_fork+0x3a/0x50 [ 35.216064][ T23] Kernel Offset: disabled [ 35.221294][ T23] Rebooting in 86400 seconds..