tree 8187749331e60c2d52faf80eb196e5ab52b8dffd
parent 91ddc6083680780f939c33b58b166a876f2c6529
author Jin Qian <jinqian@google.com> 1490400114 -0700
committer Jin Qian <jinqian@google.com> 1490471346 +0000

ext4_utils: fix crash when filesystem size is too small

make_ext4fs crashes if size is less than block size or less than
header size (super block + descriptors + bitmaps). Check the size
and return errors.

Test: run make_ext4fs with small sizes
Bug: 36576677
Change-Id: I61d92e280cdf290054fadda5a045fc839c6fd8fe