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jfs: move jfs_xattr_handlers to .rodata

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

Cc: Dave Kleikamp <shaggy@kernel.org>
Cc: jfs-discussion@lists.sourceforge.net
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Link: https://lore.kernel.org/r/20230930050033.41174-17-wedsonaf@gmail.com
Reviewed-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Wedson Almeida Filho 2023-09-30 02:00:20 -03:00 committed by Christian Brauner
parent 13a75c3abc
commit ea780283e2
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GPG Key ID: 91C61BC06578DCA2
2 changed files with 2 additions and 2 deletions
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2
fs/jfs/jfs_xattr.h
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@ -46,7 +46,7 @@ extern int __jfs_setxattr(tid_t, struct inode *, const char *, const void *,
extern ssize_t __jfs_getxattr(struct inode *, const char *, void *, size_t); extern ssize_t __jfs_getxattr(struct inode *, const char *, void *, size_t);
extern ssize_t jfs_listxattr(struct dentry *, char *, size_t); extern ssize_t jfs_listxattr(struct dentry *, char *, size_t);
extern const struct xattr_handler *jfs_xattr_handlers[]; extern const struct xattr_handler * const jfs_xattr_handlers[];
#ifdef CONFIG_JFS_SECURITY #ifdef CONFIG_JFS_SECURITY
extern int jfs_init_security(tid_t, struct inode *, struct inode *, extern int jfs_init_security(tid_t, struct inode *, struct inode *,

2
fs/jfs/xattr.c
View File

@ -985,7 +985,7 @@ static const struct xattr_handler jfs_trusted_xattr_handler = {
.set = jfs_xattr_set, .set = jfs_xattr_set,
}; };
const struct xattr_handler *jfs_xattr_handlers[] = { const struct xattr_handler * const jfs_xattr_handlers[] = {
&jfs_os2_xattr_handler, &jfs_os2_xattr_handler,
&jfs_user_xattr_handler, &jfs_user_xattr_handler,
&jfs_security_xattr_handler, &jfs_security_xattr_handler,