| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 79/94] xfs: fix integer truncation in xfs_bmap_remap_alloc | Date | Mon, 5 Jun 2017 18:17:55 +0200 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Christoph Hellwig <hch@lst.de>
commit 52813fb13ff90bd9c39a93446cbf1103c290b6e9 upstream.
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/xfs/libxfs/xfs_bmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -3964,7 +3964,7 @@ 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;
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