diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2023-12-01 20:24:18 +0300 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2023-12-07 05:45:17 +0300 |
| commit | e14293803f4e84eb23a417b462b56251033b5a66 (patch) | |
| tree | fd09f0539db015a77c4dd582bae3be4f42fe8534 /fs/xfs/libxfs/xfs_sb.c | |
| parent | cf8f0e6c1429be7652869059ea44696b72d5b726 (diff) | |
| download | linux-e14293803f4e84eb23a417b462b56251033b5a66.tar.xz | |
xfs: don't allow overly small or large realtime volumes
Don't allow realtime volumes that are less than one rt extent long.
This has been broken across 4 LTS kernels with nobody noticing, so let's
just disable it.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs/xfs_sb.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_sb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index df12bf82ed18..4a9e8588f4c9 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -509,7 +509,8 @@ xfs_validate_sb_common( rbmblocks = howmany_64(sbp->sb_rextents, NBBY * sbp->sb_blocksize); - if (sbp->sb_rextents != rexts || + if (!xfs_validate_rtextents(rexts) || + sbp->sb_rextents != rexts || sbp->sb_rextslog != xfs_compute_rextslog(rexts) || sbp->sb_rbmblocks != rbmblocks) { xfs_notice(mp, |