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fs/ntfs3: Add ckeck in ni_update_parent()

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[ Upstream commit 87d1888aa40f25773fa0b948bcb2545f97e2cb15 ]

Check simple case when parent inode equals current inode.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Konstantin Komarov 2023-06-30 15:52:19 +04:00 committed by Greg Kroah-Hartman
parent 768e857ac3
commit fc91bb3e1b
1 changed files with 6 additions and 0 deletions
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6
fs/ntfs3/frecord.c
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@ -3198,6 +3198,12 @@ 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)) {