| commit | e87f7329bbd6760c2acc4f1eb423362b08851a71 | [log] [tgz] |
|---|---|---|
| author | Jaegeuk Kim <jaegeuk@kernel.org> | Wed Nov 23 10:51:17 2016 -0800 |
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | Wed Nov 23 12:10:48 2016 -0800 |
| tree | 6d28cf50361a531e77bc758ab7807d845e25d787 | |
| parent | ded9b5dd205ef04aa095c3b731c635b201191a59 [diff] |
f2fs: fix overflow due to condition check order
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")
Cc: stable@vger.kernel.org # 4.8+
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>