diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2021-03-08 11:46:28 -0800 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-03-31 17:53:56 -0700 |
| commit | ec87d3a94754cbf772a2b79c34208175580fb56e (patch) | |
| tree | 23d7d2b3cd1a4313df542b6862ed8a39487cb27f | |
| parent | efbf993f3f4e697c046c53caf414aaf6e7780900 (diff) | |
xfs: validate ag btree levels using the precomputed valuesrandom-fixes_2021-03-31
Use the AG btree height limits that we precomputed into the xfs_mount to
validate the AG headers instead of using XFS_BTREE_MAXLEVELS.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
| -rw-r--r-- | fs/xfs/libxfs/xfs_alloc.c | 8 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_ialloc.c | 4 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_inode_fork.c | 2 |
3 files changed, 7 insertions, 7 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 0c623d3c1036..aaa19101bb2a 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2906,13 +2906,13 @@ xfs_agf_verify( if (be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]) < 1 || be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) < 1 || - be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]) > XFS_BTREE_MAXLEVELS || - be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) > XFS_BTREE_MAXLEVELS) + be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]) > mp->m_ag_maxlevels || + be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) > mp->m_ag_maxlevels) return __this_address; if (xfs_sb_version_hasrmapbt(&mp->m_sb) && (be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]) < 1 || - be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]) > XFS_BTREE_MAXLEVELS)) + be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]) > mp->m_rmap_maxlevels)) return __this_address; if (xfs_sb_version_hasrmapbt(&mp->m_sb) && @@ -2939,7 +2939,7 @@ xfs_agf_verify( if (xfs_sb_version_hasreflink(&mp->m_sb) && (be32_to_cpu(agf->agf_refcount_level) < 1 || - be32_to_cpu(agf->agf_refcount_level) > XFS_BTREE_MAXLEVELS)) + be32_to_cpu(agf->agf_refcount_level) > mp->m_refc_maxlevels)) return __this_address; return NULL; diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 69b228fce81a..eefdb518fe64 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -2535,12 +2535,12 @@ xfs_agi_verify( return __this_address; if (be32_to_cpu(agi->agi_level) < 1 || - be32_to_cpu(agi->agi_level) > XFS_BTREE_MAXLEVELS) + be32_to_cpu(agi->agi_level) > M_IGEO(mp)->inobt_maxlevels) return __this_address; if (xfs_sb_version_hasfinobt(&mp->m_sb) && (be32_to_cpu(agi->agi_free_level) < 1 || - be32_to_cpu(agi->agi_free_level) > XFS_BTREE_MAXLEVELS)) + be32_to_cpu(agi->agi_free_level) > M_IGEO(mp)->inobt_maxlevels)) return __this_address; /* diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index e080d7e07643..192bcf3e549d 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -195,7 +195,7 @@ xfs_iformat_btree( XFS_BMDR_SPACE_CALC(nrecs) > XFS_DFORK_SIZE(dip, mp, whichfork) || ifp->if_nextents > ip->i_d.di_nblocks) || - level == 0 || level > XFS_BTREE_MAXLEVELS) { + level == 0 || level > XFS_BM_MAXLEVELS(mp, whichfork)) { xfs_warn(mp, "corrupt inode %Lu (btree).", (unsigned long long) ip->i_ino); xfs_inode_verifier_error(ip, -EFSCORRUPTED, |