Re: [Xen-devel] [PATCH 4 00/16] XSA55 libelf fixes for unstable

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 04/06/13 19:08, Ian Jackson wrote:
> Ian Jackson writes ("[PATCH 4 00/16] XSA55 libelf fixes for unstable"):
>> This is version 4 of my (prematurely-released) series to try to fix
>> libelf.  This version deals better with some possibly-out-of-control
>> loops, fixes the three so-far-known regressions, and should fix the
>> 32-bit ARM build.
> This is available at
>   http://xenbits.xen.org/gitweb/?p=people/iwj/xen-unstable.git;a=summary
>   git://xenbits.xen.org/people/iwj/xen-unstable.git
> in the commits
>   xsa55-unstable-base-rebasing..xsa55-unstable-rebasing
>
> Ian.

Applying the diff between v3 and v4 to Xen-4.2 and 4.1 caused dom0 to
GPF on boot.

It turns out that an error is shown:

 Xen warning: dom0 kernel broken ELF: program segments total to more
than the input image size

Which might suggest which change in the set is broken.

However, there is a bug in Xen in so far as it should not try to start
executing dom0 if it failed to load.

~Andrew

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