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-rw-r--r--fs/f2fs/namei.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 55d0d27dfdf2..1cc24a0cbc58 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -756,6 +756,14 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
int old_nlink = 0, new_nlink = 0;
int err = -ENOENT;
+ if ((f2fs_encrypted_inode(old_dir) || f2fs_encrypted_inode(new_dir)) &&
+ (old_dir != new_dir) &&
+ (!f2fs_is_child_context_consistent_with_parent(new_dir,
+ old_inode) ||
+ !f2fs_is_child_context_consistent_with_parent(old_dir,
+ new_inode)))
+ return -EPERM;
+
f2fs_balance_fs(sbi);
old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
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