From: Christoph Hellwig <hch@lst.de>
Date: Thu, 11 May 2017 19:01:08 +0000 (-0500)
Subject: xfs: fix integer truncation in xfs_bmap_remap_alloc
X-Git-Tag: v4.12.0-rc1~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=57add91486ebb015177a96fef30f5f3110f210b8;p=thirdparty%2Fxfsprogs-dev.git

xfs: fix integer truncation in xfs_bmap_remap_alloc

Source kernel commit: 52813fb13ff90bd9c39a93446cbf1103c290b6e9

bno should be a xfs_fsblock_t, which is 64-bit wides instead of a
xfs_aglock_t, which truncates the value to 32 bits.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
---

diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c
index 482eda7da..4c7557f21 100644
--- a/libxfs/xfs_bmap.c
+++ b/libxfs/xfs_bmap.c
@@ -3854,7 +3854,7 @@ xfs_bmap_remap_alloc(
 {
 	struct xfs_trans	*tp = ap->tp;
 	struct xfs_mount	*mp = tp->t_mountp;
-	xfs_agblock_t		bno;
+	xfs_fsblock_t		bno;
 	struct xfs_alloc_arg	args;
 	int			error;