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| author |   Chao Yu <chao2.yu@samsung.com> | 2014-03-12 17:08:36 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-03-12 18:15:38 +0900 |
| commit | 910bb12d29cc64144506333bfeaeeee9715c3872 (patch) | |
| tree | f93756833c6f2c2074f2a91b5dee46bb98286cd4 /fs/f2fs/super.c | |
| parent | f2fs: introduce f2fs_has_inline_xattr for better readability (diff) | |
| download | linux-dev-910bb12d29cc64144506333bfeaeeee9715c3872.tar.xz linux-dev-910bb12d29cc64144506333bfeaeeee9715c3872.zip | |
f2fs: check upper bound of ino value in f2fs_nfs_get_inode
Upper bound checking of ino should be added to f2fs_nfs_get_inode, so unneeded
process before do_read_inode in f2fs_iget could be avoided when ino is invalid.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 6e4851ce029b..3a51d7a4a6c9 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -644,6 +644,8 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb, if (unlikely(ino < F2FS_ROOT_INO(sbi))) return ERR_PTR(-ESTALE); + if (unlikely(ino >= NM_I(sbi)->max_nid)) + return ERR_PTR(-ESTALE); /* * f2fs_iget isn't quite right if the inode is currently unallocated! |