This is a note to let you know that I've just added the patch titled
ksmbd: fix same UniqueId for dot and dotdot entries
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ksmbd-fix-same-uniqueid-for-dot-and-dotdot-entries.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 60e3fe1f9a3d9d1d9cf1760087d25ac7d1c23f08
Author: Namjae Jeon <linkinjeon@xxxxxxxxxx>
Date: Sun Jan 30 18:28:56 2022 +0900
ksmbd: fix same UniqueId for dot and dotdot entries
[ Upstream commit 97550c7478a2da93e348d8c3075d92cddd473a78 ]
ksmbd sets the inode number to UniqueId. However, the same UniqueId for
dot and dotdot entry is set to the inode number of the parent inode.
This patch set them using the current inode and parent inode.
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/ksmbd/smb_common.c b/fs/ksmbd/smb_common.c
index 707490ab1f4c4..f2e7e3a654b34 100644
--- a/fs/ksmbd/smb_common.c
+++ b/fs/ksmbd/smb_common.c
@@ -308,14 +308,17 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,
for (i = 0; i < 2; i++) {
struct kstat kstat;
struct ksmbd_kstat ksmbd_kstat;
+ struct dentry *dentry;
if (!dir->dot_dotdot[i]) { /* fill dot entry info */
if (i == 0) {
d_info->name = ".";
d_info->name_len = 1;
+ dentry = dir->filp->f_path.dentry;
} else {
d_info->name = "..";
d_info->name_len = 2;
+ dentry = dir->filp->f_path.dentry->d_parent;
}
if (!match_pattern(d_info->name, d_info->name_len,
@@ -327,7 +330,7 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,
ksmbd_kstat.kstat = &kstat;
ksmbd_vfs_fill_dentry_attrs(work,
user_ns,
- dir->filp->f_path.dentry->d_parent,
+ dentry,
&ksmbd_kstat);
rc = fn(conn, info_level, d_info, &ksmbd_kstat);
if (rc)
