Merge pull request #2 from sj0rz/master

Fixed _mmap() return value.
Merge pull request #3 from sj0rz/master

cleanup ptrace.c
Merge pull request #4 from sj0rz/master

callcache_entry unused
Merge pull request #5 from sj0rz/master

Error check pointer set by get_section().
patch all 'call user_key_allowed2' call
stuff for finding passwd auth stuff