This is a note to let you know that I've just added the patch titled
fs/ntfs3: Add ckeck in ni_update_parent()
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:
fs-ntfs3-add-ckeck-in-ni_update_parent.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 e6c32ce1ded7c6df4be58c2165909db8e5ed6f6a
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Jun 30 15:52:19 2023 +0400
fs/ntfs3: Add ckeck in ni_update_parent()
[ Upstream commit 87d1888aa40f25773fa0b948bcb2545f97e2cb15 ]
Check simple case when parent inode equals current inode.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 9a1744955d1cf..73a56d7ac84b7 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -3144,6 +3144,12 @@ static bool ni_update_parent(struct ntfs_inode *ni, struct NTFS_DUP_INFO *dup,
if (!fname || !memcmp(&fname->dup, dup, sizeof(fname->dup)))
continue;
+ /* Check simple case when parent inode equals current inode. */
+ if (ino_get(&fname->home) == ni->vfs_inode.i_ino) {
+ ntfs_set_state(sbi, NTFS_DIRTY_ERROR);
+ continue;
+ }
+
/* ntfs_iget5 may sleep. */
dir = ntfs_iget5(sb, &fname->home, NULL);
if (IS_ERR(dir)) {
