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-rw-r--r--fs/xfs/xfs_itable.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 95fc31b9f8..c0757ab994 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -97,6 +97,14 @@ xfs_bulkstat_one_int(
vfsuid = i_uid_into_vfsuid(idmap, inode);
vfsgid = i_gid_into_vfsgid(idmap, inode);
+ /* If this is a private inode, don't leak its details to userspace. */
+ if (IS_PRIVATE(inode)) {
+ xfs_iunlock(ip, XFS_ILOCK_SHARED);
+ xfs_irele(ip);
+ error = -EINVAL;
+ goto out_advance;
+ }
+
/* xfs_iget returns the following without needing
* further change.
*/