The Precise Pangolin has reached end of life, so this bug will not be
fixed for that release
** Changed in: linux (Ubuntu Precise)
Status: In Progress => Won't Fix
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https://bugs.launchpad.net/bugs/944386
Title:
Making a hard link of a 0444 permission file fails in overlayfs
[Precise]
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Precise:
Won't Fix
Bug description:
On Precise updated as of a few minutes ago. Notice the error message
four lines from the bottom
gary@garubtosh:~$ mkdir upper
gary@garubtosh:~$ mkdir lower
gary@garubtosh:~$ mkdir tmp
gary@garubtosh:~$ cd lower/
gary@garubtosh:~/lower$ touch 1
gary@garubtosh:~/lower$ chmod 0444 1
gary@garubtosh:~/lower$ ln 1 2
gary@garubtosh:~/lower$ cd ..
gary@garubtosh:~$ sudo mount -t tmpfs none upper
gary@garubtosh:~$ sudo mount -t overlayfs
-oupperdir=/home/gary/upper,lowerdir=/home/gary/lower none tmp
gary@garubtosh:~$ cd tmp/
gary@garubtosh:~/tmp$ ls
1 2
gary@garubtosh:~/tmp$ touch 3
gary@garubtosh:~/tmp$ chmod 0444 3
gary@garubtosh:~/tmp$ ln 3 4
ln: failed to create hard link `4' => `3': Operation not permitted
gary@garubtosh:~/tmp$ touch 5
gary@garubtosh:~/tmp$ ln 5 6
gary@garubtosh:~/tmp$
Thanks
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