Jun 3 17:13:36 guest kernel: [84609.691483] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffffffffa011aa49 Jun 3 17:13:36 guest kernel: [84609.691489] Jun 3 17:13:36 guest kernel: [84609.697787] Pid: 3948, comm: php5-cgi Not tainted 2.6.32-5-amd64 #1 Jun 3 17:13:36 guest kernel: [84609.700513] Call Trace: Jun 3 17:13:36 guest kernel: [84609.701880] [] ? panic+0x86/0x141 Jun 3 17:13:36 guest kernel: [84609.704200] [] ? VBoxGuestCommonIOCtl+0x1865/0x1877 [vboxguest] Jun 3 17:13:36 guest kernel: [84609.706928] [] ? rtR0MemFree+0x17/0x63 [vboxguest] Jun 3 17:13:36 guest kernel: [84609.709641] [] ? VBoxGuestCommonIOCtl_HGCMCall+0x1e6/0x26a [vboxguest] Jun 3 17:13:36 guest kernel: [84609.713896] [] ? __stack_chk_fail+0x17/0x1b Jun 3 17:13:36 guest kernel: [84609.716448] [] ? VBoxGuestCommonIOCtl+0x1865/0x1877 [vboxguest]