From: Wedson Almeida Filho <walmeida@microsoft.com>
Date: Sat, 30 Sep 2023 05:00:32 +0000 (-0300)
Subject: shmem: move shmem_xattr_handlers to .rodata
X-Git-Tag: v6.7-rc1~206^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f5028604f08fa9fe40c07295843d6917d9d0a94;p=thirdparty%2Fkernel%2Flinux.git

shmem: move shmem_xattr_handlers to .rodata

This makes it harder for accidental or malicious changes to
shmem_xattr_handlers at runtime.

Cc: Hugh Dickins <hughd@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Link: https://lore.kernel.org/r/20230930050033.41174-29-wedsonaf@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
---

diff --git a/mm/shmem.c b/mm/shmem.c
index 02e62fccc80d4..fd44902730dff 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3714,7 +3714,7 @@ static const struct xattr_handler shmem_user_xattr_handler = {
 	.set = shmem_xattr_handler_set,
 };
 
-static const struct xattr_handler *shmem_xattr_handlers[] = {
+static const struct xattr_handler * const shmem_xattr_handlers[] = {
 	&shmem_security_xattr_handler,
 	&shmem_trusted_xattr_handler,
 	&shmem_user_xattr_handler,