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authorWedson Almeida Filho <walmeida@microsoft.com>2023-09-30 02:00:06 -0300
committerChristian Brauner <brauner@kernel.org>2023-10-09 16:24:16 +0200
commite60ac12833400296433c450d346f539d662ab4b0 (patch)
treec7c625371ab0c328fa7f1b127ddbf0172efc5fee
parente346fb6d774abf1d9a87d39b1e3eef0b7397d154 (diff)
ext4: move ext4_xattr_handlers to .rodata
This makes it harder for accidental or malicious changes to ext4_xattr_handlers at runtime. Cc: Theodore Ts'o <tytso@mit.edu> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: linux-ext4@vger.kernel.org Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com> Link: https://lore.kernel.org/r/20230930050033.41174-3-wedsonaf@gmail.com Signed-off-by: Christian Brauner <brauner@kernel.org>
-rw-r--r--fs/ext4/xattr.c2
-rw-r--r--fs/ext4/xattr.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 92ba28cebac6..a3b68eb4f6f7 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -98,7 +98,7 @@ static const struct xattr_handler * const ext4_xattr_handler_map[] = {
[EXT4_XATTR_INDEX_HURD] = &ext4_xattr_hurd_handler,
};
-const struct xattr_handler *ext4_xattr_handlers[] = {
+const struct xattr_handler * const ext4_xattr_handlers[] = {
&ext4_xattr_user_handler,
&ext4_xattr_trusted_handler,
#ifdef CONFIG_EXT4_FS_SECURITY
diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index 824faf0b15a8..bd97c4aa8177 100644
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -193,7 +193,7 @@ extern int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
struct ext4_inode *raw_inode, handle_t *handle);
extern void ext4_evict_ea_inode(struct inode *inode);
-extern const struct xattr_handler *ext4_xattr_handlers[];
+extern const struct xattr_handler * const ext4_xattr_handlers[];
extern int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
struct ext4_xattr_ibody_find *is);