diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2022-08-08 13:28:05 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2022-10-14 14:16:54 -0700 |
| commit | 6424470ba4df9058d17c0c8dfdc7d91c208139fb (patch) | |
| tree | 1c7539097af1fad995d36a9445bae81e49b59344 /fs/xfs/xfs_attr_list.c | |
| parent | 6d34d9603e781caeeb19bd1e3882ebcb90fea01f (diff) | |
xfs: validate dabtree node buffer owners
Check the owner field of dabtree node blocks.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_attr_list.c')
| -rw-r--r-- | fs/xfs/xfs_attr_list.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c index 2954ed7cfaf4..24516f3ff2df 100644 --- a/fs/xfs/xfs_attr_list.c +++ b/fs/xfs/xfs_attr_list.c @@ -240,6 +240,10 @@ xfs_attr_node_list_lookup( goto out_corruptbuf; } + fa = xfs_da3_node_header_check(bp, dp->i_ino); + if (fa) + goto out_corruptbuf; + xfs_da3_node_hdr_from_disk(mp, &nodehdr, node); /* Tree taller than we can handle; bail out! */ @@ -334,6 +338,12 @@ xfs_attr_node_list( case XFS_DA_NODE_MAGIC: case XFS_DA3_NODE_MAGIC: trace_xfs_attr_list_wrong_blk(context); + fa = xfs_da3_node_header_check(bp, + dp->i_ino); + if (fa) { + __xfs_buf_mark_corrupt(bp, fa); + xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK); + } xfs_trans_brelse(context->tp, bp); bp = NULL; break; |