diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2019-02-01 09:08:54 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-02-11 16:06:40 -0800 |
| commit | e5d7d51b340aac0f4cc56677eb8d29d4e164c58c (patch) | |
| tree | 772b23a8e364cb9beb88898d1ac4c6abfd979f71 /fs/xfs/scrub | |
| parent | 87c9607df2ff73290dcfe08d22f34687ce0142ce (diff) | |
xfs: check directory name validity
Check directory entry names for invalid characters.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/scrub')
| -rw-r--r-- | fs/xfs/scrub/dir.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/xfs/scrub/dir.c b/fs/xfs/scrub/dir.c index cd3e4d768a18..a38a22785a1a 100644 --- a/fs/xfs/scrub/dir.c +++ b/fs/xfs/scrub/dir.c @@ -129,6 +129,12 @@ xchk_dir_actor( goto out; } + /* Does this name make sense? */ + if (!xfs_dir2_namecheck(name, namelen)) { + xchk_fblock_set_corrupt(sdc->sc, XFS_DATA_FORK, offset); + goto out; + } + if (!strncmp(".", name, namelen)) { /* If this is "." then check that the inum matches the dir. */ if (xfs_sb_version_hasftype(&mp->m_sb) && type != DT_DIR) |