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authorWedson Almeida Filho <walmeida@microsoft.com>2023-09-30 02:00:13 -0300
committerChristian Brauner <brauner@kernel.org>2023-10-09 16:24:18 +0200
commitce78a1ec1c3b58992112c80ccb0831b91b7b313a (patch)
treeb38af3e95c4d0c20c367182e864f28a299238c76 /fs/ext2
parent3591f40e223c66d4a3f152390b6db56421011854 (diff)
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ext2: move ext2_xattr_handlers and ext2_xattr_handler_map to .rodata
This makes it harder for accidental or malicious changes to ext2_xattr_handlers or ext2_xattr_handler_map at runtime. Cc: Jan Kara <jack@suse.com> Cc: linux-ext4@vger.kernel.org Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com> Link: https://lore.kernel.org/r/20230930050033.41174-10-wedsonaf@gmail.com Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/ext2')
-rw-r--r--fs/ext2/xattr.c4
-rw-r--r--fs/ext2/xattr.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 20f741184673..e849241ebb8f 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -98,7 +98,7 @@ static struct buffer_head *ext2_xattr_cache_find(struct inode *,
static void ext2_xattr_rehash(struct ext2_xattr_header *,
struct ext2_xattr_entry *);
-static const struct xattr_handler *ext2_xattr_handler_map[] = {
+static const struct xattr_handler * const ext2_xattr_handler_map[] = {
[EXT2_XATTR_INDEX_USER] = &ext2_xattr_user_handler,
#ifdef CONFIG_EXT2_FS_POSIX_ACL
[EXT2_XATTR_INDEX_POSIX_ACL_ACCESS] = &nop_posix_acl_access,
@@ -110,7 +110,7 @@ static const struct xattr_handler *ext2_xattr_handler_map[] = {
#endif
};
-const struct xattr_handler *ext2_xattr_handlers[] = {
+const struct xattr_handler * const ext2_xattr_handlers[] = {
&ext2_xattr_user_handler,
&ext2_xattr_trusted_handler,
#ifdef CONFIG_EXT2_FS_SECURITY
diff --git a/fs/ext2/xattr.h b/fs/ext2/xattr.h
index 7925f596e8e2..6a4966949047 100644
--- a/fs/ext2/xattr.h
+++ b/fs/ext2/xattr.h
@@ -72,7 +72,7 @@ extern void ext2_xattr_delete_inode(struct inode *);
extern struct mb_cache *ext2_xattr_create_cache(void);
extern void ext2_xattr_destroy_cache(struct mb_cache *cache);
-extern const struct xattr_handler *ext2_xattr_handlers[];
+extern const struct xattr_handler * const ext2_xattr_handlers[];
# else /* CONFIG_EXT2_FS_XATTR */