From f6af36a0fb05b5a37b3dfb153677e28ca5cb3fd8 Mon Sep 17 00:00:00 2001
From: Klaus Wenninger <klaus.wenninger@aon.at>
Date: Mon, 15 Apr 2019 17:37:42 +0200
Subject: [PATCH] Sanity: sbd-md: prevent unrealistic overflow on sector io
 calc

---
 src/sbd-md.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/sbd-md.c b/src/sbd-md.c
index 60a1873..f437c41 100644
--- a/src/sbd-md.c
+++ b/src/sbd-md.c
@@ -162,9 +162,9 @@ sector_io(struct sbd_context *st, int sector, void *data, int rw)
 
 	memset(&st->io, 0, sizeof(struct iocb));
 	if (rw) {
-		io_prep_pwrite(&st->io, st->devfd, data, sector_size, sector_size * sector);
+		io_prep_pwrite(&st->io, st->devfd, data, sector_size, (long long) sector_size * sector);
 	} else {
-		io_prep_pread(&st->io, st->devfd, data, sector_size, sector_size * sector);
+		io_prep_pread(&st->io, st->devfd, data, sector_size, (long long) sector_size * sector);
 	}
 
 	if (io_submit(st->ioctx, 1, ios) != 1) {
-- 
1.8.3.1