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From f6af36a0fb05b5a37b3dfb153677e28ca5cb3fd8 Mon Sep 17 00:00:00 2001
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From: Klaus Wenninger <klaus.wenninger@aon.at>
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Date: Mon, 15 Apr 2019 17:37:42 +0200
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Subject: [PATCH] Sanity: sbd-md: prevent unrealistic overflow on sector io
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calc
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---
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src/sbd-md.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/sbd-md.c b/src/sbd-md.c
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index 60a1873..f437c41 100644
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--- a/src/sbd-md.c
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+++ b/src/sbd-md.c
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@@ -162,9 +162,9 @@ sector_io(struct sbd_context *st, int sector, void *data, int rw)
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memset(&st->io, 0, sizeof(struct iocb));
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if (rw) {
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- io_prep_pwrite(&st->io, st->devfd, data, sector_size, sector_size * sector);
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+ io_prep_pwrite(&st->io, st->devfd, data, sector_size, (long long) sector_size * sector);
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} else {
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- io_prep_pread(&st->io, st->devfd, data, sector_size, sector_size * sector);
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+ io_prep_pread(&st->io, st->devfd, data, sector_size, (long long) sector_size * sector);
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}
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if (io_submit(st->ioctx, 1, ios) != 1) {
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--
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1.8.3.1
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