From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 16 Jun 2021 01:23:39 +0000 (-0700)
Subject: mm/slub.c: include swab.h
X-Git-Tag: v4.19.196~35
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b838dfa48163d2f2a7de4779580ba9199a99058a;p=users%2Fdwmw2%2Flinux.git

mm/slub.c: include swab.h

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>
---

diff --git a/mm/slub.c b/mm/slub.c
index 11a2df00729ee..b6c5c8fd265d2 100644
--- 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"