From: Christoph Hellwig Date: Tue, 11 Apr 2017 23:45:52 +0000 (-0700) Subject: xfs: fix integer truncation in xfs_bmap_remap_alloc X-Git-Tag: archive/raspbian/4.9.30-2+deb9u2+rpi1~4^2~611 X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success/%22http:/www.example.com/cgi/success?a=commitdiff_plain;h=8a71d6f8a109430f68268c5c5ef386ef712ac548;p=linux-4.9.git xfs: fix integer truncation in xfs_bmap_remap_alloc 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 Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong Signed-off-by: Greg Kroah-Hartman --- diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 5a508b011e27..23f2b4b36f38 100644 --- 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;