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SubjectREGRESSION: cannot change file access permissions on files NFS-mounted
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Hello,

This morning I updated the kernel on my workstation to the current git
tree (62ea6d80211ecc88ef516927ecebf64cb505be3f). Upon reboot, I
cannot change file access permissions of files in a directory that is
nfs mounted (using NFS4):

$ chmod 0600 $path
chmod: Changing permissions of `$path': Input/output error

In the kernel log I am getting these gems:

[ 275.990233] decode_attr_group: reply buffer overflowed in line
2678.<4>decode
_attr_group: reply buffer overflowed in line
2678.<4>decode_attr_group: reply bu
ffer overflowed in line 2678.<4>decode_attr_group: reply buffer
overflowed in li
ne 2678.<4>decode_attr_group: reply buffer overflowed in line
2678.<4>decode_att
r_group: reply buffer overflowed in line 2678.

The server is Linux running Debian testing with the kernel updated to
2.6.20-1-686 from
(http://ftp.us.debian.org/debian/pool/main/l/linux-2.6/linux-image-2.6.20-1-686_2.6.20-3_i386.deb)

Kernel 2.6.21 works fine on the client.

Cheers,
florin

--
Bruce Schneier expects the Spanish Inquisition.
http://geekz.co.uk/schneierfacts/fact/163
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