From: "Christoph Egger" <Christoph.Egger@amd.com>
To: xen-devel@lists.xensource.com
Subject: [PATCH][TOOLS] libxc: check length on copy
Date: Tue, 23 Oct 2007 14:36:23 +0200 [thread overview]
Message-ID: <200710231436.23318.Christoph.Egger@amd.com> (raw)
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Hi!
Attached patch checks length on string copy.
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
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[-- Attachment #2: xen_xc.diff --]
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diff -r 4970cbf9b19e tools/libxc/xc_dom_boot.c
--- a/tools/libxc/xc_dom_boot.c Tue Oct 23 09:41:06 2007 +0100
+++ b/tools/libxc/xc_dom_boot.c Tue Oct 23 13:59:19 2007 +0200
@@ -92,7 +92,9 @@ int xc_dom_compat_check(struct xc_dom_im
char *item, *ptr;
int match, found = 0;
- strcpy(xen_caps, dom->xen_caps);
+ strncpy(xen_caps, dom->xen_caps, XEN_CAPABILITIES_INFO_LEN - 1);
+ xen_caps[XEN_CAPABILITIES_INFO_LEN - 1] = '\0';
+
for ( item = strtok_r(xen_caps, " ", &ptr);
item != NULL ; item = strtok_r(NULL, " ", &ptr) )
{
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