Re: efivarfs allows non-canonical GUID and duplicate filenames

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On Tue, Jan 29, 2013 at 01:17:10PM +0800, Lingzhu Xiang wrote:
> On 01/29/2013 12:44 PM, Matthew Garrett wrote:
> >>[root@qemu-ovmf efivars]# touch BootOrder-8BE4DF61-93CA-11D2-AA0D-00E098032B8C
> >
> >Ha ok. Other than the change in name over unmount, does this one cause
> >any problems?
> 
> This demonstrates how to create two files with the same name in efivarfs.
> 
> [root@qemu-ovmf efivars]# ll BootOrder*
> -rw-r--r--. 1 root root 12 Jan 25 14:56
> BootOrder-8be4df61-93ca-11d2-aa0d-00e098032b8c
> -rw-r--r--. 1 root root 12 Jan 25 14:56
> BootOrder-8be4df61-93ca-11d2-aa0d-00e098032b8c

Huh. The firmware permits two variables with the same GUID in different 
cases?

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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