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| author | Akira Fujita <a-fujita@rs.jp.nec.com> | 2009-09-16 14:28:22 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2009-09-16 14:28:22 -0400 |
| commit | 70d5d3dcea47c16058d2b093c29e07fdf61b56ad (patch) | |
| tree | 82ff7d71973f259d8197bbc7c05461e978324c02 /Kbuild | |
| parent | 5f3481e9a80c240f169b36ea886e2325b9aeb745 (diff) | |
| download | blackbird-op-linux-70d5d3dcea47c16058d2b093c29e07fdf61b56ad.tar.gz blackbird-op-linux-70d5d3dcea47c16058d2b093c29e07fdf61b56ad.zip | |
ext4: Fix wrong comparisons in mext_check_arguments()
The mext_check_arguments() function in move_extents.c has wrong
comparisons. orig_start which is passed from user-space is block
unit, but i_size of inode is byte unit, therefore the checks do not
work fine. This mis-check leads to the overflow of 'len' and then
hits BUG_ON() in ext4_move_extents(). The patch fixes this issue.
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Reviewed-by: Greg Freemyer <greg.freemyer@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'Kbuild')
0 files changed, 0 insertions, 0 deletions
