On 26/11/2014 19:54, M A Young wrote:
> If differences are found during the verification phase of xl migrate
> --debug then it is likely to crash with a segfault because the bogus
> pagebuf->pfn_types[pfn] is used in a print statement instead of
> pfn_type[pfn] .
>
> Signed-off-by: Michael Young <m.a.yo...@durham.ac.uk>
>
>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com>
> xl migrate --debug can segfault because pagebuf->pfn_types[pfn] is
> used in a print statement instead of pfn_type[pfn]
>
> --- xen-4.5.0-rc1/tools/libxc/xc_domain_restore.c.orig 2014-10-24
> 15:22:40.000000000 +0100
> +++ xen-4.5.0-rc1/tools/libxc/xc_domain_restore.c 2014-11-25
> 21:01:16.604081467 +0000
> @@ -1404,7 +1404,7 @@
> int v;
>
> DPRINTF("************** pfn=%lx type=%lx gotcs=%08lx "
> - "actualcs=%08lx\n", pfn, pagebuf->pfn_types[pfn],
> + "actualcs=%08lx\n", pfn, pfn_type[pfn],
> csum_page(region_base + i * PAGE_SIZE),
> csum_page(buf));
>
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