Commits
![Jaegeuk Kim](https://secure.gravatar.com/avatar/6697e42fecbb21fab4d0e10985e0a8a7.jpg?s=96&d=mm)
Jaegeuk Kim committed 027611ef345
f2fs: fix overflow due to condition check order commit e87f7329bbd6760c2acc4f1eb423362b08851a71 upstream. In the last ilen case, i was already increased, resulting in accessing out- of-boundary entry of do_replace and blkaddr. Fix to check ilen first to exit the loop. Fixes: 2aa8fbb9693020 ("f2fs: refactor __exchange_data_block for speed up") Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>