From b0e72518c4a39e8b8944a77b0f145527f79c0bb2 Mon Sep 17 00:00:00 2001 From: YONETANI Tomokazu Date: Sun, 21 Jan 2007 10:37:29 +0000 Subject: [PATCH] pbn * vn->sc_secsize may wraparound, because both pbn and vn->sc_secsize are of type int. Cast to off_t before multiplication. --- sys/dev/disk/vn/vn.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/dev/disk/vn/vn.c b/sys/dev/disk/vn/vn.c index fc1bf4c821..a9136dac57 100644 --- a/sys/dev/disk/vn/vn.c +++ b/sys/dev/disk/vn/vn.c @@ -39,7 +39,7 @@ * * from: @(#)vn.c 8.6 (Berkeley) 4/1/94 * $FreeBSD: src/sys/dev/vn/vn.c,v 1.105.2.4 2001/11/18 07:11:00 dillon Exp $ - * $DragonFly: src/sys/dev/disk/vn/vn.c,v 1.29 2006/12/22 23:26:17 swildner Exp $ + * $DragonFly: src/sys/dev/disk/vn/vn.c,v 1.30 2007/01/21 10:37:29 y0netan1 Exp $ */ /* @@ -344,7 +344,7 @@ vnstrategy(struct dev_strategy_args *ap) bp->b_bcount = (vn->sc_size - pbn) * vn->sc_secsize; } nbio = push_bio(bio); - nbio->bio_offset = pbn * vn->sc_secsize; + nbio->bio_offset = (off_t)pbn * vn->sc_secsize; } /* -- 2.41.0