On Sun, Aug 6, 2017 at 5:47 AM, zhangyi (F) <yizhang089@xxxxxxxxx> wrote: > I think the root cause of this problem is the hash value not updated > when we overwrite the same xattr, please see ext4_xattr_set_entry(): Yes, you are right. Thanks a lot for finding the root cause. I just sent out a fix: ("[PATCH] ext4: add missing xattr hash update") http://patchwork.ozlabs.org/patch/798445/