[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.304856][ T22] audit: type=1800 audit(1557078413.638:25): pid=5669 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2447 res=0 [ 48.324749][ T22] audit: type=1800 audit(1557078413.638:26): pid=5669 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0 [ 48.345210][ T22] audit: type=1800 audit(1557078413.638:27): pid=5669 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0 [....] 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 '10.128.1.1' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 59.459362][ T21] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 59.459371][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 59.479328][ T533] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 59.487226][ T5] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 59.495206][ T558] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 59.502858][ T557] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 59.699301][ T21] usb 2-1: Using ep0 maxpacket: 8 [ 59.709275][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 59.759437][ T558] usb 4-1: Using ep0 maxpacket: 8 [ 59.765505][ T533] usb 6-1: Using ep0 maxpacket: 8 [ 59.770735][ T557] usb 3-1: Using ep0 maxpacket: 8 [ 59.775866][ T5] usb 5-1: Using ep0 maxpacket: 8 [ 59.829390][ T12] usb 1-1: config 0 interface 0 has no altsetting 0 [ 59.829397][ T21] usb 2-1: config 0 interface 0 has no altsetting 0 [ 59.829445][ T12] usb 1-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 59.836303][ T21] usb 2-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 59.843120][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.852055][ T21] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.860177][ T21] usb 2-1: config 0 descriptor?? [ 59.863277][ T12] usb 1-1: config 0 descriptor?? [ 59.899465][ T533] usb 6-1: config 0 interface 0 has no altsetting 0 [ 59.906144][ T533] usb 6-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 59.915403][ T533] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.923947][ T558] usb 4-1: config 0 interface 0 has no altsetting 0 [ 59.930773][ T558] usb 4-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 59.936860][ T21] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 found [ 59.939876][ T558] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.941126][ T558] usb 4-1: config 0 descriptor?? [ 59.962758][ T12] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 found [ 59.969906][ T5] usb 5-1: config 0 interface 0 has no altsetting 0 [ 59.976545][ T5] usb 5-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 59.985649][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.993852][ T557] usb 3-1: config 0 interface 0 has no altsetting 0 [ 60.000569][ T557] usb 3-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 60.009668][ T557] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 60.018795][ T533] usb 6-1: config 0 descriptor?? [ 60.024975][ T557] usb 3-1: config 0 descriptor?? [ 60.031244][ T5] usb 5-1: config 0 descriptor?? [ 60.061513][ T533] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 found [ 60.071280][ T558] snd_usb_toneport 4-1:0.0: Line 6 POD Studio UX2 found [ 60.080858][ T557] snd_usb_toneport 3-1:0.0: Line 6 POD Studio UX2 found [ 60.091656][ T5] snd_usb_toneport 5-1:0.0: Line 6 POD Studio UX2 found executing program executing program [ 60.169409][ T21] snd_usb_toneport 2-1:0.0: read request failed (error -71) [ 60.199524][ T12] snd_usb_toneport 1-1:0.0: read request failed (error -71) [ 60.199614][ T21] snd_usb_toneport 2-1:0.0: read request failed (error -71) [ 60.219365][ T12] snd_usb_toneport 1-1:0.0: read request failed (error -71) [ 60.229386][ T21] snd_usb_toneport 2-1:0.0: write request failed (error -71) [ 60.239381][ T12] snd_usb_toneport 1-1:0.0: write request failed (error -71) [ 60.249529][ T21] usb 2-1: send failed (error -71) [ 60.261538][ T12] usb 1-1: send failed (error -71) executing program executing program executing program executing program [ 60.269835][ T21] usb 2-1: send failed (error -71) [ 60.281922][ T12] usb 1-1: send failed (error -71) [ 60.289480][ T558] snd_usb_toneport 4-1:0.0: read request failed (error -71) [ 60.299664][ T557] snd_usb_toneport 3-1:0.0: read request failed (error -71) [ 60.307207][ T533] snd_usb_toneport 6-1:0.0: read request failed (error -71) [ 60.315305][ T5] snd_usb_toneport 5-1:0.0: read request failed (error -71) [ 60.322753][ T558] snd_usb_toneport 4-1:0.0: read request failed (error -71) [ 60.330547][ T557] snd_usb_toneport 3-1:0.0: read request failed (error -71) [ 60.349472][ T533] snd_usb_toneport 6-1:0.0: read request failed (error -71) [ 60.356968][ T5] snd_usb_toneport 5-1:0.0: read request failed (error -71) [ 60.367381][ T558] snd_usb_toneport 4-1:0.0: write request failed (error -71) [ 60.377403][ T557] snd_usb_toneport 3-1:0.0: write request failed (error -71) [ 60.386382][ T12] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 now attached [ 60.391203][ T21] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 now attached [ 60.394775][ T533] snd_usb_toneport 6-1:0.0: write request failed (error -71) [ 60.409909][ T5] snd_usb_toneport 5-1:0.0: write request failed (error -71) [ 60.418762][ T21] usb 2-1: USB disconnect, device number 2 [ 60.420420][ T12] usb 1-1: USB disconnect, device number 2 [ 60.431112][ T558] usb 4-1: send failed (error -71) [ 60.436836][ T5] usb 5-1: send failed (error -71) [ 60.442141][ T557] usb 3-1: send failed (error -71) [ 60.452727][ T558] usb 4-1: send failed (error -71) [ 60.457074][ T21] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 now disconnected [ 60.459471][ T533] usb 6-1: send failed (error -71) [ 60.471374][ T5] usb 5-1: send failed (error -71) [ 60.477227][ T557] usb 3-1: send failed (error -71) [ 60.494564][ T558] ------------[ cut here ]------------ [ 60.500362][ T558] proc_dir_entry 'asound/PODStudioUX2' already registered [ 60.507584][ T558] WARNING: CPU: 0 PID: 558 at fs/proc/generic.c:359 proc_register+0x3d9/0x550 [ 60.516441][ T558] Kernel panic - not syncing: panic_on_warn set ... [ 60.523044][ T558] CPU: 0 PID: 558 Comm: kworker/0:4 Not tainted 5.1.0-rc3-319004-g43151d6 #6 [ 60.531819][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.541917][ T558] Workqueue: usb_hub_wq hub_event [ 60.546957][ T558] Call Trace: [ 60.550291][ T558] dump_stack+0xe8/0x16e [ 60.554565][ T558] ? proc_register+0x2e0/0x550 [ 60.559598][ T558] panic+0x29d/0x5f2 [ 60.563519][ T558] ? __warn_printk+0xf8/0xf8 [ 60.568143][ T558] ? proc_register+0x3d9/0x550 [ 60.572957][ T558] ? __probe_kernel_read+0x171/0x1b0 [ 60.578277][ T558] ? __warn.cold+0x5/0x48 [ 60.582632][ T558] ? __warn+0xe9/0x1d0 [ 60.586732][ T558] ? proc_register+0x3d9/0x550 [ 60.591523][ T558] __warn.cold+0x20/0x48 [ 60.595797][ T558] ? proc_register+0x3d9/0x550 [ 60.600677][ T558] report_bug+0x262/0x2a0 [ 60.605044][ T558] do_error_trap+0x130/0x1f0 [ 60.609740][ T558] ? proc_register+0x3d9/0x550 [ 60.614520][ T558] do_invalid_op+0x37/0x40 [ 60.618947][ T558] ? proc_register+0x3d9/0x550 [ 60.623722][ T558] invalid_op+0x14/0x20 [ 60.627894][ T558] RIP: 0010:proc_register+0x3d9/0x550 [ 60.633275][ T558] 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 [ 60.652888][ T558] RSP: 0018:ffff88809dec7000 EFLAGS: 00010282 [ 60.658964][ T558] RAX: 0000000000000000 RBX: ffff88809cb85c00 RCX: 0000000000000000 [ 60.666961][ T558] RDX: 0000000000000000 RSI: ffffffff815b2342 RDI: ffffed1013bd8df2 [ 60.674955][ T558] RBP: ffff888093fb6280 R08: ffff88809dc74980 R09: ffffed1015a03edb [ 60.683031][ T558] R10: ffffed1015a03eda R11: ffff8880ad01f6d7 R12: 0000000000000000 [ 60.691021][ T558] R13: dffffc0000000000 R14: ffff88809f4f1bf8 R15: 000000000000000c [ 60.699040][ T558] ? vprintk_func+0x82/0x118 [ 60.703655][ T558] proc_symlink+0x147/0x1c0 [ 60.708174][ T558] ? proc_register+0x550/0x550 [ 60.712953][ T558] ? snd_info_register+0xdc/0x3e0 [ 60.717984][ T558] snd_info_card_register+0x14b/0x1e0 [ 60.723377][ T558] snd_card_register+0x432/0x5f0 [ 60.728326][ T558] ? toneport_setup+0x163/0x360 [ 60.733191][ T558] ? snd_card_set_id+0x90/0x90 [ 60.737973][ T558] ? up_write+0x1d/0x150 [ 60.742237][ T558] toneport_init+0x256/0x63c [ 60.746957][ T558] ? usb_set_interface+0x7b0/0xad0 [ 60.752105][ T558] line6_probe+0xb01/0x1150 [ 60.756662][ T558] ? line6_toneport_disconnect+0x1a0/0x1a0 [ 60.762500][ T558] ? line6_disconnect+0x1f0/0x1f0 [ 60.767566][ T558] ? rpm_callback+0x240/0x240 [ 60.772266][ T558] ? lockdep_hardirqs_on+0x37e/0x580 [ 60.777578][ T558] ? __pm_runtime_resume+0x116/0x180 [ 60.782895][ T558] usb_probe_interface+0x31d/0x820 [ 60.788062][ T558] ? usb_probe_device+0x150/0x150 [ 60.793111][ T558] really_probe+0x2da/0xb10 [ 60.797643][ T558] driver_probe_device+0x21d/0x350 [ 60.802866][ T558] __device_attach_driver+0x1d8/0x290 [ 60.808294][ T558] ? driver_allows_async_probing+0x160/0x160 [ 60.814289][ T558] bus_for_each_drv+0x163/0x1e0 [ 60.819161][ T558] ? bus_rescan_devices+0x30/0x30 [ 60.824197][ T558] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 60.830018][ T558] ? lockdep_hardirqs_on+0x37e/0x580 [ 60.835349][ T558] __device_attach+0x223/0x3a0 [ 60.840126][ T558] ? device_bind_driver+0xe0/0xe0 [ 60.845161][ T558] ? kobject_uevent_env+0x295/0x13d0 [ 60.850459][ T558] bus_probe_device+0x1f1/0x2a0 [ 60.855324][ T558] ? blocking_notifier_call_chain+0x59/0xb0 [ 60.861229][ T558] device_add+0xad2/0x16e0 [ 60.865660][ T558] ? get_device_parent.isra.0+0x560/0x560 [ 60.871577][ T558] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 60.877397][ T558] usb_set_configuration+0xdf7/0x1740 [ 60.882792][ T558] generic_probe+0xa2/0xda [ 60.887317][ T558] usb_probe_device+0xc0/0x150 [ 60.892096][ T558] ? usb_suspend+0x5f0/0x5f0 [ 60.896695][ T558] really_probe+0x2da/0xb10 [ 60.901233][ T558] driver_probe_device+0x21d/0x350 [ 60.906372][ T558] __device_attach_driver+0x1d8/0x290 [ 60.912040][ T558] ? driver_allows_async_probing+0x160/0x160 [ 60.918038][ T558] bus_for_each_drv+0x163/0x1e0 [ 60.922930][ T558] ? bus_rescan_devices+0x30/0x30 [ 60.927975][ T558] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 60.933812][ T558] ? lockdep_hardirqs_on+0x37e/0x580 [ 60.939123][ T558] __device_attach+0x223/0x3a0 [ 60.943909][ T558] ? device_bind_driver+0xe0/0xe0 [ 60.948960][ T558] ? kobject_uevent_env+0x295/0x13d0 [ 60.954539][ T558] bus_probe_device+0x1f1/0x2a0 [ 60.959450][ T558] ? blocking_notifier_call_chain+0x59/0xb0 [ 60.965369][ T558] device_add+0xad2/0x16e0 [ 60.969815][ T558] ? get_device_parent.isra.0+0x560/0x560 [ 60.975565][ T558] usb_new_device.cold+0x537/0xccf [ 60.980722][ T558] hub_event+0x138e/0x3b00 [ 60.985201][ T558] ? hub_port_debounce+0x350/0x350 [ 60.990336][ T558] ? _raw_spin_unlock_irq+0x29/0x40 [ 60.995546][ T558] process_one_work+0x90f/0x1580 [ 61.000500][ T558] ? wq_pool_ids_show+0x300/0x300 [ 61.005541][ T558] ? do_raw_spin_lock+0x11f/0x290 [ 61.010594][ T558] worker_thread+0x9b/0xe20 [ 61.015123][ T558] ? process_one_work+0x1580/0x1580 [ 61.020356][ T558] kthread+0x313/0x420 [ 61.024438][ T558] ? kthread_park+0x1a0/0x1a0 [ 61.029134][ T558] ret_from_fork+0x3a/0x50 [ 61.034897][ T558] Kernel Offset: disabled [ 61.039326][ T558] Rebooting in 86400 seconds..