diff options
author | Darrick J. Wong <darrick.wong@oracle.com> | 2018-01-08 10:51:04 -0800 |
---|---|---|
committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-01-08 10:54:46 -0800 |
commit | 71493b839e294065ba63bd6f8d07263f3afee8c6 (patch) | |
tree | ec5f47fc7235ef6410b64a0d5da43c2346f991cd /fs/xfs/libxfs/xfs_inode_fork.c | |
parent | 50aa90ef03007beca2c9108993f5b4f2bb4f0a66 (diff) | |
download | linux-71493b839e294065ba63bd6f8d07263f3afee8c6.tar.bz2 |
xfs: move inode fork verifiers to xfs_dinode_verify
Consolidate the fork size and format verifiers to xfs_dinode_verify so
that we can reject bad inodes earlier and in a single place.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_fork.c')
-rw-r--r-- | fs/xfs/libxfs/xfs_inode_fork.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index c79a1616b79d..fd88cbe8c264 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -62,69 +62,11 @@ xfs_iformat_fork( int error = 0; xfs_fsize_t di_size; - if (unlikely(be32_to_cpu(dip->di_nextents) + - be16_to_cpu(dip->di_anextents) > - be64_to_cpu(dip->di_nblocks))) { - xfs_warn(ip->i_mount, - "corrupt dinode %Lu, extent total = %d, nblocks = %Lu.", - (unsigned long long)ip->i_ino, - (int)(be32_to_cpu(dip->di_nextents) + - be16_to_cpu(dip->di_anextents)), - (unsigned long long) - be64_to_cpu(dip->di_nblocks)); - XFS_CORRUPTION_ERROR("xfs_iformat(1)", XFS_ERRLEVEL_LOW, - ip->i_mount, dip); - return -EFSCORRUPTED; - } - - if (unlikely(dip->di_forkoff > ip->i_mount->m_sb.sb_inodesize)) { - xfs_warn(ip->i_mount, "corrupt dinode %Lu, forkoff = 0x%x.", - (unsigned long long)ip->i_ino, - dip->di_forkoff); - XFS_CORRUPTION_ERROR("xfs_iformat(2)", XFS_ERRLEVEL_LOW, - ip->i_mount, dip); - return -EFSCORRUPTED; - } - - if (unlikely((ip->i_d.di_flags & XFS_DIFLAG_REALTIME) && - !ip->i_mount->m_rtdev_targp)) { - xfs_warn(ip->i_mount, - "corrupt dinode %Lu, has realtime flag set.", - ip->i_ino); - XFS_CORRUPTION_ERROR("xfs_iformat(realtime)", - XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return -EFSCORRUPTED; - } - - if (unlikely(xfs_is_reflink_inode(ip) && !S_ISREG(inode->i_mode))) { - xfs_warn(ip->i_mount, - "corrupt dinode %llu, wrong file type for reflink.", - ip->i_ino); - XFS_CORRUPTION_ERROR("xfs_iformat(reflink)", - XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return -EFSCORRUPTED; - } - - if (unlikely(xfs_is_reflink_inode(ip) && - (ip->i_d.di_flags & XFS_DIFLAG_REALTIME))) { - xfs_warn(ip->i_mount, - "corrupt dinode %llu, has reflink+realtime flag set.", - ip->i_ino); - XFS_CORRUPTION_ERROR("xfs_iformat(reflink)", - XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return -EFSCORRUPTED; - } - switch (inode->i_mode & S_IFMT) { case S_IFIFO: case S_IFCHR: case S_IFBLK: case S_IFSOCK: - if (unlikely(dip->di_format != XFS_DINODE_FMT_DEV)) { - XFS_CORRUPTION_ERROR("xfs_iformat(3)", XFS_ERRLEVEL_LOW, - ip->i_mount, dip); - return -EFSCORRUPTED; - } ip->i_d.di_size = 0; inode->i_rdev = xfs_to_linux_dev_t(xfs_dinode_get_rdev(dip)); break; @@ -134,32 +76,7 @@ xfs_iformat_fork( case S_IFDIR: switch (dip->di_format) { case XFS_DINODE_FMT_LOCAL: - /* - * no local regular files yet - */ - if (unlikely(S_ISREG(be16_to_cpu(dip->di_mode)))) { - xfs_warn(ip->i_mount, - "corrupt inode %Lu (local format for regular file).", - (unsigned long long) ip->i_ino); - XFS_CORRUPTION_ERROR("xfs_iformat(4)", - XFS_ERRLEVEL_LOW, - ip->i_mount, dip); - return -EFSCORRUPTED; - } - di_size = be64_to_cpu(dip->di_size); - if (unlikely(di_size < 0 || - di_size > XFS_DFORK_DSIZE(dip, ip->i_mount))) { - xfs_warn(ip->i_mount, - "corrupt inode %Lu (bad size %Ld for local inode).", - (unsigned long long) ip->i_ino, - (long long) di_size); - XFS_CORRUPTION_ERROR("xfs_iformat(5)", - XFS_ERRLEVEL_LOW, - ip->i_mount, dip); - return -EFSCORRUPTED; - } - size = (int)di_size; error = xfs_iformat_local(ip, dip, XFS_DATA_FORK, size); break; @@ -170,14 +87,11 @@ xfs_iformat_fork( error = xfs_iformat_btree(ip, dip, XFS_DATA_FORK); break; default: - XFS_ERROR_REPORT("xfs_iformat(6)", XFS_ERRLEVEL_LOW, - ip->i_mount); return -EFSCORRUPTED; } break; default: - XFS_ERROR_REPORT("xfs_iformat(7)", XFS_ERRLEVEL_LOW, ip->i_mount); return -EFSCORRUPTED; } if (error) |