Unverified Commit ffb2e065 authored by Wedson Almeida Filho's avatar Wedson Almeida Filho Committed by Christian Brauner
Browse files

kernfs: move kernfs_xattr_handlers to .rodata 



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

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: default avatarWedson Almeida Filho <walmeida@microsoft.com>
Link: https://lore.kernel.org/r/20230930050033.41174-18-wedsonaf@gmail.com


Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent ea780283

fs/kernfs/inode.c

+1 −1
Original line number Diff line number Diff line
@@ -445,7 +445,7 @@ static const struct xattr_handler kernfs_user_xattr_handler = { 
	.set = kernfs_vfs_user_xattr_set,

};



const struct xattr_handler *kernfs_xattr_handlers[] = {

const struct xattr_handler * const kernfs_xattr_handlers[] = {

	&kernfs_trusted_xattr_handler,

	&kernfs_security_xattr_handler,

	&kernfs_user_xattr_handler,

fs/kernfs/kernfs-internal.h

+1 −1
Original line number Diff line number Diff line
@@ -127,7 +127,7 @@ extern struct kmem_cache *kernfs_node_cache, *kernfs_iattrs_cache; 
/*

 * inode.c

 */

extern const struct xattr_handler *kernfs_xattr_handlers[];

extern const struct xattr_handler * const kernfs_xattr_handlers[];

void kernfs_evict_inode(struct inode *inode);

int kernfs_iop_permission(struct mnt_idmap *idmap,

			  struct inode *inode, int mask);