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27 lines
830 B
Plaintext
27 lines
830 B
Plaintext
$NetBSD: patch-CVE-2014-4021,v 1.1 2014/06/18 13:47:08 drochner Exp $
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http://lists.xenproject.org/archives/html/xen-devel/2014-06/msg02095.html
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--- xen/common/page_alloc.c.orig 2013-09-10 06:42:18.000000000 +0000
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+++ xen/common/page_alloc.c 2014-06-18 10:36:33.000000000 +0000
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@@ -1123,7 +1123,10 @@ void free_xenheap_pages(void *v, unsigne
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pg = virt_to_page(v);
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for ( i = 0; i < (1u << order); i++ )
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+ {
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+ scrub_one_page(&pg[i]);
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pg[i].count_info &= ~PGC_xen_heap;
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+ }
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free_heap_pages(pg, order);
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}
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@@ -1290,6 +1293,8 @@ void free_domheap_pages(struct page_info
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else
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{
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/* Freeing anonymous domain-heap pages. */
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+ for ( i = 0; i < (1 << order); i++ )
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+ scrub_one_page(&pg[i]);
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free_heap_pages(pg, order);
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drop_dom_ref = 0;
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}
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