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Date:   Sun, 6 Aug 2017 13:05:41 -0700
From:   Tahsin Erdogan <tahsin@...gle.com>
To:     "zhangyi (F)" <yizhang089@...il.com>
Cc:     Miklos Szeredi <miklos@...redi.hu>,
        Amir Goldstein <amir73il@...il.com>,
        "Theodore Ts'o" <tytso@....edu>,
        "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        "linux-unionfs@...r.kernel.org" <linux-unionfs@...r.kernel.org>
Subject: Re: xattr hash error in 4.13-rc with overlayfs over ext4

On Sun, Aug 6, 2017 at 5:47 AM, zhangyi (F) <yizhang089@...il.com> 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/

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