From 10f9fbe9f25a81fb103a98fb2ee5f77afbfdfacc Mon Sep 17 00:00:00 2001
From: Wedson Almeida Filho <walmeida@microsoft.com>
Date: Sat, 30 Sep 2023 02:00:10 -0300
Subject: ceph: move ceph_xattr_handlers to .rodata
This makes it harder for accidental or malicious changes to
ceph_xattr_handlers at runtime.
Cc: Xiubo Li <xiubli@redhat.com>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: ceph-devel@vger.kernel.org
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Link: https://lore.kernel.org/r/20230930050033.41174-7-wedsonaf@gmail.com
Acked-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
fs/ceph/super.h | 2 +-
fs/ceph/xattr.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
(limited to 'fs/ceph')
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 51c7f2b14f6f..98844fc8a2f7 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -1119,7 +1119,7 @@ ssize_t __ceph_getxattr(struct inode *, const char *, void *, size_t);
extern ssize_t ceph_listxattr(struct dentry *, char *, size_t);
extern struct ceph_buffer *__ceph_build_xattrs_blob(struct ceph_inode_info *ci);
extern void __ceph_destroy_xattrs(struct ceph_inode_info *ci);
-extern const struct xattr_handler *ceph_xattr_handlers[];
+extern const struct xattr_handler * const ceph_xattr_handlers[];
struct ceph_acl_sec_ctx {
#ifdef CONFIG_CEPH_FS_POSIX_ACL
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 0deae4a0f5f1..097ce7f74073 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -1446,7 +1446,7 @@ void ceph_release_acl_sec_ctx(struct ceph_acl_sec_ctx *as_ctx)
* List of handlers for synthetic system.* attributes. Other
* attributes are handled directly.
*/
-const struct xattr_handler *ceph_xattr_handlers[] = {
+const struct xattr_handler * const ceph_xattr_handlers[] = {
&ceph_other_xattr_handler,
NULL,
};
--
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