1 files changed, 7 insertions, 0 deletions

diff --git a/fs/inode.c b/fs/inode.c
index e171f7b5f9e4..9cef4e16aeda 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1619,6 +1619,13 @@ bool atime_needs_update(const struct path *path, struct inode *inode)
 
         if (inode->i_flags & S_NOATIME)
                 return false;
+
+        /* Atime updates will likely cause i_uid and i_gid to be written
+         * back improprely if their true value is unknown to the vfs.
+         */
+        if (HAS_UNMAPPED_ID(inode))
+                return false;
+
         if (IS_NOATIME(inode))
                 return false;
         if ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode))