On Fri, Dec 02, 2016 at 05:35:33PM -0800, Darrick J. Wong wrote: > When reading into memory all extents of a btree-format inode fork, > complain if the number of extents we find is not the same as the number > of extents reported in the inode core. This is needed to stop an IO > action from accessing the garbage areas of the in-core fork. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > --- > fs/xfs/libxfs/xfs_bmap.c | 2 ++ > 1 file changed, 2 insertions(+) > > > diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c > index 6f28814..9821161 100644 > --- a/fs/xfs/libxfs/xfs_bmap.c > +++ b/fs/xfs/libxfs/xfs_bmap.c > @@ -1375,6 +1375,8 @@ xfs_bmap_read_extents( > return error; > block = XFS_BUF_TO_BLOCK(bp); > } > + if (i != XFS_IFORK_NEXTENTS(ip, whichfork)) > + return -EFSCORRUPTED; > ASSERT(i == xfs_iext_count(ifp)); > ASSERT(i == XFS_IFORK_NEXTENTS(ip, whichfork)); This assert is now redundant and can be removed (which I've done). Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
