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| author | Chao Yu <chao2.yu@samsung.com> | 2014-03-12 17:08:36 +0800 |
|---|---|---|
| committer | Ziyan <jaraidaniel@gmail.com> | 2015-05-02 14:36:31 +0200 |
| commit | b7b62067e3d671e9a18dc3390af186474a38ab3f (patch) | |
| tree | efc82d3da6f4d2a7c5ff327e81cb4bb8ce368bff /fs | |
| parent | 89ffbd1563c8a170e5c5ba260e7568013dda155f (diff) | |
| download | kernel_samsung_tuna-b7b62067e3d671e9a18dc3390af186474a38ab3f.zip kernel_samsung_tuna-b7b62067e3d671e9a18dc3390af186474a38ab3f.tar.gz kernel_samsung_tuna-b7b62067e3d671e9a18dc3390af186474a38ab3f.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! |