NAKAMURA Gou bdc02bb687 refuse the write to a read-only memory ...

It was able to change a read-only memory using a system call that
forwarded to host.

To fix this, when read-only mmap(), it places read-only vm_area in the
mcexec's space.

2013-11-06 16:06:58 +09:00

..

include

exclude interpreter's segment from data region

2013-10-30 14:28:32 +09:00

kernel

refuse the write to a read-only memory

2013-11-06 16:06:58 +09:00

user

prevents MCKERNEL_RLIMIT_STACK from overwriting

2013-10-30 14:28:32 +09:00