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ceph: move ceph_xattr_handlers to .rodata

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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>
This commit is contained in:
Wedson Almeida Filho 2023-09-30 02:00:10 -03:00 committed by Christian Brauner
parent 8a25b41898
commit 10f9fbe9f2
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
2 changed files with 2 additions and 2 deletions
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2
fs/ceph/super.h
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@ -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

2
fs/ceph/xattr.c
View File

@ -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,
};