In support of
MAPREDUCE-2096, we need to add some JNI functionality. In particular, we need the ability to use fstat() on an open file stream, and to use open() with O_EXCL, O_NOFOLLOW, and without O_CREAT.
MAPREDUCE-2096 Secure local filesystem IO from symlink vulnerabilities
- is related to
HADOOP-7083 Allow SecureIO to be disabled for developer workstations