Signed-off-by: Wei Liu <wei.l...@citrix.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com>
---
 tools/libxc/xc_sr_restore.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/libxc/xc_sr_restore.c b/tools/libxc/xc_sr_restore.c
index 924dd55..f48e7fc 100644
--- a/tools/libxc/xc_sr_restore.c
+++ b/tools/libxc/xc_sr_restore.c
@@ -181,6 +181,7 @@ static int pfn_set_populated(struct xc_sr_context *ctx, 
xen_pfn_t pfn)
         ctx->restore.max_populated_pfn = new_max;
     }
 
+    assert(!test_bit(pfn, ctx->restore.populated_pfns));
     set_bit(pfn, ctx->restore.populated_pfns);
 
     return 0;
-- 
2.1.4


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