[Bugs] [Bug 1157839] New: link(2) corrupts meta-data of encrypted files

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1157839

            Bug ID: 1157839
           Summary: link(2) corrupts meta-data of encrypted files
           Product: GlusterFS
           Version: mainline
         Component: encryption-xlator
          Severity: high
          Assignee: bugs at gluster.org
          Reporter: edward at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:

step #26 of the tests/encryption/crypt.t failed:

How reproducible:

Run tests on NetBsd

Actual results:

=========================
TEST 26 (line 61): diff -u /mnt/glusterfs/0/testfile-symlink
/tmp/patchy-goodfile
diff: /mnt/glusterfs/0/testfile-symlink: Invalid argument

not ok 26 
RESULT 26: 2

Expected results:

TEST 26: OK

Additional info:

1) Complaints in /var/log/glusterfs/mnt-glusterfs-0.log:

[2014-10-23 19:05:40.972909] E [metadata.c:534:open_format_v1] 0-crypt: EMTD
verification failed

2) link(2) corrupts meta-data string:

# getfattr -m . -d -e hex /mnt/glusterfs/0/testfile
trusted.glusterfs.crypt.att.cfmt=0x00e0d007795280a78ac90ea90982a00da2ebad6d352e

#ln /mnt/glusterfs/0/testfile /mnt/glusterfs/0/testfile-link

# getfattr -m . -d -e hex /mnt/glusterfs/0/testfile

trusted.glusterfs.crypt.att.cfmt=0x0000000c000480a78ac90ea9098200da2ebad6d352e62ba9283455afd12

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