From: Chanwoo Choi <cw00.choi@samsung.com>
Date: Mon, 14 Mar 2022 07:46:05 +0000 (+0900)
Subject: util: kernel: Fix overflow issue when multiply operation
X-Git-Tag: submit/tizen/20220315.010333^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8c98239629e4b49f934de535f881bff26cc52ae9;p=platform%2Fcore%2Fsystem%2Fpass.git

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
--- 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;
 		}
 	}