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Commit 9f989c94 authored by Nathan Scott's avatar Nathan Scott
Browse files

[XFS] Additional mount time superblock validation checks. 



SGI-PV: 950491
SGI-Modid: xfs-linux-melb:xfs-kern:25354a

Signed-off-by: default avatarNathan Scott <nathans@sgi.com>
parent 01e1b69c

fs/xfs/xfs_mount.c

+4 −1
Original line number Diff line number Diff line
@@ -268,9 +268,12 @@ xfs_mount_validate_sb( 
	    sbp->sb_blocklog > XFS_MAX_BLOCKSIZE_LOG			||

	    sbp->sb_inodesize < XFS_DINODE_MIN_SIZE			||

	    sbp->sb_inodesize > XFS_DINODE_MAX_SIZE			||

	    sbp->sb_inodelog < XFS_DINODE_MIN_LOG			||

	    sbp->sb_inodelog > XFS_DINODE_MAX_LOG			||

	    (sbp->sb_blocklog - sbp->sb_inodelog != sbp->sb_inopblog)	||

	    (sbp->sb_rextsize * sbp->sb_blocksize > XFS_MAX_RTEXTSIZE)	||

	    (sbp->sb_rextsize * sbp->sb_blocksize < XFS_MIN_RTEXTSIZE)	||

	    sbp->sb_imax_pct > 100)) {

	    (sbp->sb_imax_pct > 100 || sbp->sb_imax_pct < 1))) {

		cmn_err(CE_WARN, "XFS: SB sanity check 1 failed");

		XFS_CORRUPTION_ERROR("xfs_mount_validate_sb(3)",

				     XFS_ERRLEVEL_LOW, mp, sbp);