[  194.445170] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffffffffa0f1b1af
[  194.445170] 
[  194.445186] Pid: 553, comm: khubd Tainted: P           O 3.8.0-rc1 #1
[  194.445192] Call Trace:
[  194.445203]  [<ffffffff8137917a>] ? panic+0xc8/0x1d1
[  194.445212]  [<ffffffffa0f1b1af>] ? snd_usb_mbox2_boot_quirk+0x1f1/0x1fa [snd_usb_audio]
[  194.445219]  [<ffffffff8103eb8d>] ? __stack_chk_fail+0x15/0x15
[  194.445226]  [<ffffffffa0f1b1af>] ? snd_usb_mbox2_boot_quirk+0x1f1/0x1fa [snd_usb_audio]
[  194.445232]  [<ffffffffa0f1b51e>] ? snd_usb_apply_boot_quirk+0x206/0x307 [snd_usb_audio]
[  194.445239]  [<ffffffff81100c3b>] ? kmem_cache_alloc+0x86/0x103
[  194.445245]  [<ffffffff8115f2f8>] ? sysfs_link_sibling+0x8d/0x9b
[  194.445250]  [<ffffffffa0f123d1>] ? usb_audio_probe+0x82/0x729 [snd_usb_audio]
[  194.445257]  [<ffffffff8137ece4>] ? _raw_spin_lock_irqsave+0x21/0x46
[  194.445263]  [<ffffffff812804ed>] ? __pm_runtime_set_status+0x121/0x14d
[  194.445281]  [<ffffffffa018e73a>] ? usb_probe_interface+0x131/0x1c3 [usbcore]
[  194.445288]  [<ffffffff81277fc6>] ? __driver_attach+0x73/0x73
[  194.445295]  [<ffffffff81277fc6>] ? __driver_attach+0x73/0x73
[  194.445301]  [<ffffffff81277e35>] ? driver_probe_device+0x92/0x1b0
[  194.445307]  [<ffffffff812766bb>] ? bus_for_each_drv+0x43/0x7d
[  194.445314]  [<ffffffff81277d71>] ? device_attach+0x68/0x83
[  194.445320]  [<ffffffff81277437>] ? bus_probe_device+0x25/0x8d
[  194.445325]  [<ffffffff81275e37>] ? device_add+0x3ea/0x5ab
[  194.445330]  [<ffffffff8137ece4>] ? _raw_spin_lock_irqsave+0x21/0x46
[  194.445341]  [<ffffffffa018d2c1>] ? usb_set_configuration+0x5e1/0x63e [usbcore]
[  194.445348]  [<ffffffff81277fc6>] ? __driver_attach+0x73/0x73
[  194.445358]  [<ffffffffa0194877>] ? generic_probe+0x3b/0x68 [usbcore]
[  194.445365]  [<ffffffff81277e35>] ? driver_probe_device+0x92/0x1b0
[  194.445370]  [<ffffffff812766bb>] ? bus_for_each_drv+0x43/0x7d
[  194.445377]  [<ffffffff81277d71>] ? device_attach+0x68/0x83
[  194.445382]  [<ffffffff81277437>] ? bus_probe_device+0x25/0x8d
[  194.445388]  [<ffffffff81275e37>] ? device_add+0x3ea/0x5ab
[  194.445398]  [<ffffffffa0186ebc>] ? usb_new_device+0x1ed/0x284 [usbcore]
[  194.445408]  [<ffffffffa0188090>] ? hub_thread+0x9d3/0xe89 [usbcore]
[  194.445414]  [<ffffffff8137e047>] ? __schedule+0x4cf/0x502
[  194.445421]  [<ffffffff81059abf>] ? abort_exclusive_wait+0x79/0x79
[  194.445430]  [<ffffffffa01876bd>] ? usb_remote_wakeup+0x2f/0x2f [usbcore]
[  194.445439]  [<ffffffffa01876bd>] ? usb_remote_wakeup+0x2f/0x2f [usbcore]
[  194.445444]  [<ffffffff81059116>] ? kthread+0x81/0x89
[  194.445449]  [<ffffffff81059095>] ? __kthread_parkme+0x5c/0x5c
[  194.445455]  [<ffffffff813834bc>] ? ret_from_fork+0x7c/0xb0
[  194.445460]  [<ffffffff81059095>] ? __kthread_parkme+0x5c/0x5c