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| author | Chao Yu <chao2.yu@samsung.com> | 2014-03-12 17:08:36 +0800 |
|---|---|---|
| committer | Andreas Blaesius <skate4life@gmx.de> | 2016-06-05 21:21:20 +0200 |
| commit | be25c4537b5c020996b57756f7bcccb7d9e80c93 (patch) | |
| tree | f74fab68d3fb58646198ad4843240cff83fe87f8 /fs | |
| parent | 1596ac387b62f975ae848b20e33da0752fca5cdf (diff) | |
| download | kernel_samsung_espresso10-be25c4537b5c020996b57756f7bcccb7d9e80c93.zip kernel_samsung_espresso10-be25c4537b5c020996b57756f7bcccb7d9e80c93.tar.gz kernel_samsung_espresso10-be25c4537b5c020996b57756f7bcccb7d9e80c93.tar.bz2 | |
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')
| -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 bf11740..d1ffa87 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -626,6 +626,8 @@ 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! |