From: Ruediger Meier <ruediger.meier@ga-group.nl>
Date: Thu, 6 Apr 2017 07:56:03 +0000 (+0200)
Subject: fincore: fix multiplication overflow
X-Git-Tag: v2.30-rc1~130
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=379c1a52a29701176cc45e9eef6fadd00d135de6;p=thirdparty%2Futil-linux.git

fincore: fix multiplication overflow

This failed on ppc64 with page size 64k.

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
---

diff --git a/misc-utils/fincore.c b/misc-utils/fincore.c
index b867c2d066..425f1bf425 100644
--- a/misc-utils/fincore.c
+++ b/misc-utils/fincore.c
@@ -188,7 +188,7 @@ static int fincore_fd (struct fincore_control *ctl,
 		       off_t file_size,
 		       off_t *count_incore)
 {
-	size_t window_size = N_PAGES_IN_WINDOW * ctl->pagesize;
+	size_t window_size = (size_t)N_PAGES_IN_WINDOW * ctl->pagesize;
 	off_t  file_offset;
 	void  *window = NULL;
 	int rc = 0;