Linux 5.10.211

[thirdparty/kernel/stable-queue.git] / releases / 4.19.196 / mm-slub.c-include-swab.h.patch

From 1b3865d016815cbd69a1879ca1c8a8901fda1072 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Tue, 15 Jun 2021 18:23:39 -0700
Subject: mm/slub.c: include swab.h

From: Andrew Morton <akpm@linux-foundation.org>

commit 1b3865d016815cbd69a1879ca1c8a8901fda1072 upstream.

Fixes build with CONFIG_SLAB_FREELIST_HARDENED=y.

Hopefully.  But it's the right thing to do anwyay.

Fixes: 1ad53d9fa3f61 ("slub: improve bit diffusion for freelist ptr obfuscation")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=213417
Reported-by: <vannguye@cisco.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 mm/slub.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/slub.c
+++ b/mm/slub.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/bit_spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/swab.h>
 #include <linux/bitops.h>
 #include <linux/slab.h>
 #include "slab.h"