[Xen-devel] [PATCH] libxl: fix libxl_get_cpu_topology

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Fix upper bound of for loop, thus preventing memory corruption.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/libxl/libxl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index d7eb2c5..f7b8bb5 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -2872,7 +2872,7 @@ libxl_cputopology *libxl_get_cpu_topology(libxl_ctx *ctx, 
int *nr)
         goto fail;
     }
 
-    for (i = 0; i <= max_cpus; i++) {
+    for (i = 0; i < max_cpus; i++) {
 #define V(map, i) (map[i] == INVALID_TOPOLOGY_ID) ? \
     LIBXL_CPUTOPOLOGY_INVALID_ENTRY : map[i]
         ret[i].core = V(coremap, i);
-- 
1.7.2.5




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