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@xxxxxxxxxxx> --- fs/f2fs/super.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 6e4851c..3a51d7a 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! -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
