From c069ca085bd185eda4a90dc4bc2b76cceb74579d Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sun, 27 Jul 2025 16:47:22 +0300
Subject: [PATCH] ufs_vnops.c: use unsigned type for newparent inode number in
 ufs_rename()

Otherwise it is sign-extended into 64bit ino_t on the call to
ufs_dirrewrite().  This causes invalid inode number recorded in the SU
tracking structures (newdirem) and triggers corresponding panics.

Reviewed by:	mckusick, olce
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D51573
---
 sys/ufs/ufs/ufs_vnops.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/ufs/ufs/ufs_vnops.c b/sys/ufs/ufs/ufs_vnops.c
index 17308706c3f..406b8f94307 100644
--- a/sys/ufs/ufs/ufs_vnops.c
+++ b/sys/ufs/ufs/ufs_vnops.c
@@ -1268,7 +1268,8 @@ ufs_rename(
 	struct inode *fip, *tip, *tdp, *fdp;
 	struct direct newdir;
 	off_t endoff;
-	int doingdirectory, newparent;
+	int doingdirectory;
+	u_int newparent;
 	int error = 0;
 	struct mount *mp;
 	ino_t ino;