Re: xattr hash error in 4.13-rc with overlayfs over ext4

From	Tahsin Erdogan <tahsin@google.com>
Newsgroups	linux.kernel
Subject	Re: xattr hash error in 4.13-rc with overlayfs over ext4
Date	2017-08-06 22:10 +0200
Message-ID	<ubA26-6Ko-17@gated-at.bofh.it> (permalink)
References	(4 earlier) <u7Y30-2Au-29@gated-at.bofh.it> <u9lqy-8oa-13@gated-at.bofh.it> <u9CKL-2Ig-35@gated-at.bofh.it> <uamky-7Ca-15@gated-at.bofh.it> <ubtah-2e3-15@gated-at.bofh.it>
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On Sun, Aug 6, 2017 at 5:47 AM, zhangyi (F) <yizhang089@gmail.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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Re: xattr hash error in 4.13-rc with overlayfs over ext4 Miklos Szeredi <miklos@szeredi.hu> - 2017-07-31 18:10 +0200
  Re: xattr hash error in 4.13-rc with overlayfs over ext4 Amir Goldstein <amir73il@gmail.com> - 2017-08-01 12:40 +0200
    Re: xattr hash error in 4.13-rc with overlayfs over ext4 Miklos Szeredi <miklos@szeredi.hu> - 2017-08-03 13:20 +0200
      Re: xattr hash error in 4.13-rc with overlayfs over ext4 "zhangyi (F)" <yizhang089@gmail.com> - 2017-08-06 14:50 +0200
        Re: xattr hash error in 4.13-rc with overlayfs over ext4 Tahsin Erdogan <tahsin@google.com> - 2017-08-06 22:10 +0200

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