Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1698264

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

Show all headers | View raw

On Thu, Jul 27, 2017 at 8:20 PM, Tahsin Erdogan <tahsin@google.com> wrote:
> Hi Miklos,
> I made a first attempt to reproduce the failure but did not get lucky.
>
>> Inode 3093, i_blocks is 16, should be 8.  Fix<y>? yes
> Does this inode correspond to foo, bar or a preexisting file?
>
> Do you mind sharing the output of the following command?
> debugfs -R "stat <3093>" /dev/${ext4_dev}

Inode: 17093   Type: regular    Mode:  0644   Flags: 0x80000
Generation: 2184376062    Version: 0x00000000:00000001
User:     0   Group:     0   Project:     0   Size: 8
File ACL: 65561    Directory ACL: 0
Links: 2   Blockcount: 16
Fragment:  Address: 0    Number: 0    Size: 0
 ctime: 0x597a3e23:7d3fc138 -- Thu Jul 27 19:25:23 2017
 atime: 0x597a3dfc:a80bc138 -- Thu Jul 27 19:24:44 2017
 mtime: 0x597a3e23:7d3fc138 -- Thu Jul 27 19:25:23 2017
crtime: 0x597a3e23:787b0938 -- Thu Jul 27 19:25:23 2017
Size of extra inode fields: 32
EXTENTS:
(0):142340

Resulting fsck output:

Pass 1: Checking inodes, blocks, and sizes
Extended attribute in inode 17093 has a hash (2257320705) which is invalid
Clear<y>? yes
Inode 17093, i_blocks is 16, should be 8.  Fix<y>? yes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences:  -65561
Fix<y>? yes
Free blocks count wrong for group #2 (13797, counted=13798).
Fix<y>? yes
Free blocks count wrong (86361, counted=86362).
Fix<y>? yes

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

xattr hash error in 4.13-rc with overlayfs over ext4 Miklos Szeredi <miklos@szeredi.hu> - 2017-07-27 14:40 +0200
  Re: xattr hash error in 4.13-rc with overlayfs over ext4 Tahsin Erdogan <tahsin@google.com> - 2017-07-27 20:30 +0200
    Re: xattr hash error in 4.13-rc with overlayfs over ext4 Miklos Szeredi <miklos@szeredi.hu> - 2017-07-27 21:30 +0200
      Re: xattr hash error in 4.13-rc with overlayfs over ext4 Miklos Szeredi <miklos@szeredi.hu> - 2017-07-27 21:40 +0200
        Re: xattr hash error in 4.13-rc with overlayfs over ext4 Tahsin Erdogan <tahsin@google.com> - 2017-07-27 23:00 +0200

csiph-web