| commit | c48ae41bafe31e9a66d8be2ced4e42a6b57fa814 | [log] [tgz] |
|---|---|---|
| author | Theodore Ts'o <tytso@mit.edu> | Fri Nov 18 13:37:47 2016 -0500 |
| committer | Theodore Ts'o <tytso@mit.edu> | Fri Nov 18 13:37:47 2016 -0500 |
| tree | 5bce12d4855399ea72f2b89dc108ab4e1c45a556 | |
| parent | cd6bb35bf7f6d7d922509bf50265383a0ceabe96 [diff] |
ext4: add sanity checking to count_overhead() The commit "ext4: sanity check the block and cluster size at mount time" should prevent any problems, but in case the superblock is modified while the file system is mounted, add an extra safety check to make sure we won't overrun the allocated buffer. Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@vger.kernel.org