util: kernel: Fix overflow issue when multiply operation

Change-Id: Ia9bce7fbc4adabafa76e788d78450ce38866d7cf
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/src/util/kernel.c b/src/util/kernel.c
index a68e05b..b01594b 100644 (file)
--- a/src/util/kernel.c
+++ b/src/util/kernel.c
@@ -184,7 +184,7 @@ int kernel_get_memory_info(const char *key, u_int64_t *val)
                if (!strncmp(buf, key, strlen(key))) {
                        sscanf(buf, "%*s %"PRIu64, val);
                        if (strstr(buf, "kB"))
-                               *val *= 1024;
+                               *val = (u_int64_t)(*val * 1024);
                        break;
                }
        }