diff --git a/fs/namei.c b/fs/namei.c index 1004966437f92997d023cb1f96697c2d67b165c5..c0c78e193e2ac4a5c3d06a539fe3dac748be50c3 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1557,7 +1557,8 @@ static inline int walk_component(struct nameidata *nd, struct path *path, if (should_follow_link(inode, follow)) { if (nd->flags & LOOKUP_RCU) { - if (unlikely(unlazy_walk(nd, path->dentry))) { + if (unlikely(nd->path.mnt != path->mnt || + unlazy_walk(nd, path->dentry))) { err = -ECHILD; goto out_err; } @@ -3023,7 +3024,8 @@ static int do_last(struct nameidata *nd, struct path *path, if (should_follow_link(inode, !symlink_ok)) { if (nd->flags & LOOKUP_RCU) { - if (unlikely(unlazy_walk(nd, path->dentry))) { + if (unlikely(nd->path.mnt != path->mnt || + unlazy_walk(nd, path->dentry))) { error = -ECHILD; goto out; }