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ubifs: move ubifs_xattr_handlers to .rodata

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

Cc: Richard Weinberger <richard@nod.at>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Link: https://lore.kernel.org/r/20230930050033.41174-26-wedsonaf@gmail.com
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Wedson Almeida Filho 2023-09-30 02:00:29 -03:00 committed by Christian Brauner
parent c08a831c74
commit c25308c326
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/ubifs/ubifs.h
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@ -2043,7 +2043,7 @@ ssize_t ubifs_xattr_get(struct inode *host, const char *name, void *buf,
size_t size); size_t size);
#ifdef CONFIG_UBIFS_FS_XATTR #ifdef CONFIG_UBIFS_FS_XATTR
extern const struct xattr_handler *ubifs_xattr_handlers[]; extern const struct xattr_handler * const ubifs_xattr_handlers[];
ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size); ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size);
void ubifs_evict_xattr_inode(struct ubifs_info *c, ino_t xattr_inum); void ubifs_evict_xattr_inode(struct ubifs_info *c, ino_t xattr_inum);
int ubifs_purge_xattrs(struct inode *host); int ubifs_purge_xattrs(struct inode *host);

2
fs/ubifs/xattr.c
View File

@ -735,7 +735,7 @@ static const struct xattr_handler ubifs_security_xattr_handler = {
}; };
#endif #endif
const struct xattr_handler *ubifs_xattr_handlers[] = { const struct xattr_handler * const ubifs_xattr_handlers[] = {
&ubifs_user_xattr_handler, &ubifs_user_xattr_handler,
&ubifs_trusted_xattr_handler, &ubifs_trusted_xattr_handler,
#ifdef CONFIG_UBIFS_FS_SECURITY #ifdef CONFIG_UBIFS_FS_SECURITY