diff options
Diffstat (limited to 'fs/overlayfs/readdir.c')
| -rw-r--r-- | fs/overlayfs/readdir.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c index 47a91c9733a5..7255e6a5838f 100644 --- a/fs/overlayfs/readdir.c +++ b/fs/overlayfs/readdir.c @@ -504,7 +504,13 @@ get: if (err) goto fail; - WARN_ON_ONCE(dir->d_sb->s_dev != stat.dev); + /* + * Directory inode is always on overlay st_dev. + * Non-dir with ovl_same_dev() could be on pseudo st_dev in case + * of xino bits overflow. + */ + WARN_ON_ONCE(S_ISDIR(stat.mode) && + dir->d_sb->s_dev != stat.dev); ino = stat.ino; } else if (xinobits && !OVL_TYPE_UPPER(type)) { ino = ovl_remap_lower_ino(ino, xinobits, |