From: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx> [ 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> --- fs/ntfs3/frecord.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c index 16bd9faa2d28b..8f34d6472ddbd 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -3208,6 +3208,12 @@ 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)) { -- 2.42.0