tree 766f26be99c1ffa5d3f0c93e233a60cc52e74094
parent d44651d0f922b7aaeddd9fc04f2f5700a65983dd
author Tao Ma <boyu.mt@taobao.com> 1318860826 -0400
committer Theodore Ts'o <tytso@mit.edu> 1318860826 -0400

ext4: avoid stamping on other memories in ext4_ext_insert_index()

Add a sanity check to make sure ix hasn't gone beyond the valid bounds
of the extent block.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>