Re: [reiserfs?] [squashfs?] BUG: Dentry still in use in unmount

[Edward Adam Davis]

please test BUG: Dentry still in use in unmount

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3bd7d7488169
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 4382881b0709..c366b0c6fad2 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -808,6 +808,7 @@ static int ovl_copy_up_workdir(struct ovl_copy_up_ctx *c)
 	return err;
 
 cleanup:
+	ovl_end_write(c->dentry);
 	ovl_cleanup(ofs, wdir, temp);
 	dput(temp);
 	goto unlock;