tools/libxl: Fix a segment fault when mmio_hole is set in hvm.cfg

When valid mmio_hole is set in hvm.cfg, segment fault happens at accessing
localents pointer.

Because the size of localents pointer isn't enough to store appended
mmio_hole_size parameter.

Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>

diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c
index bffbc456c18891cbc61db7559987ddc5667de6ba..1158303e1a03aaecd90bf129dda12213eb266b01 100644 (file)
--- a/tools/libxl/libxl_create.c
+++ b/tools/libxl/libxl_create.c
@@ -451,7 +451,7 @@ int libxl__domain_build(libxl__gc *gc,
         vments[4] = "start_time";
         vments[5] = GCSPRINTF("%lu.%02d", start_time.tv_sec,(int)start_time.tv_usec/10000);
 
-        localents = libxl__calloc(gc, 9, sizeof(char *));
+        localents = libxl__calloc(gc, 11, sizeof(char *));
         i = 0;
         localents[i++] = "platform/acpi";
         localents[i++] = libxl__acpi_defbool_val(info) ? "1" : "0";