Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (C) 2008 IBM Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Authors:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Mimi Zohar <zohar@us.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * File: integrity_iint.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *	- implements the integrity hooks: integrity_inode_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *	  integrity_inode_free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *	- cache integrity information associated with an inode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  *	  using a rbtree tree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/rbtree.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/security.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/lsm_hooks.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include "integrity.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) static struct rb_root integrity_iint_tree = RB_ROOT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) static DEFINE_RWLOCK(integrity_iint_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) static struct kmem_cache *iint_cache __read_mostly;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) struct dentry *integrity_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  * __integrity_iint_find - return the iint associated with an inode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) static struct integrity_iint_cache *__integrity_iint_find(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	struct integrity_iint_cache *iint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	struct rb_node *n = integrity_iint_tree.rb_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	while (n) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		iint = rb_entry(n, struct integrity_iint_cache, rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 		if (inode < iint->inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 			n = n->rb_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 		else if (inode > iint->inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 			n = n->rb_right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	if (!n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	return iint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55)  * integrity_iint_find - return the iint associated with an inode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) struct integrity_iint_cache *integrity_iint_find(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	struct integrity_iint_cache *iint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	if (!IS_IMA(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	read_lock(&integrity_iint_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	iint = __integrity_iint_find(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	read_unlock(&integrity_iint_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	return iint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) static void iint_free(struct integrity_iint_cache *iint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	kfree(iint->ima_hash);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	iint->ima_hash = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	iint->version = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	iint->flags = 0UL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	iint->atomic_flags = 0UL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	iint->ima_file_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	iint->ima_mmap_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	iint->ima_bprm_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	iint->ima_read_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	iint->ima_creds_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	iint->evm_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	iint->measured_pcrs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	kmem_cache_free(iint_cache, iint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89)  * integrity_inode_get - find or allocate an iint associated with an inode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90)  * @inode: pointer to the inode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91)  * @return: allocated iint
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93)  * Caller must lock i_mutex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) struct integrity_iint_cache *integrity_inode_get(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	struct rb_node **p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	struct rb_node *node, *parent = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	struct integrity_iint_cache *iint, *test_iint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	 * The integrity's "iint_cache" is initialized at security_init(),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	 * unless it is not included in the ordered list of LSMs enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	 * on the boot command line.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	if (!iint_cache)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		panic("%s: lsm=integrity required.\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	iint = integrity_iint_find(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	if (iint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		return iint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	iint = kmem_cache_alloc(iint_cache, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	if (!iint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	write_lock(&integrity_iint_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	p = &integrity_iint_tree.rb_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	while (*p) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		parent = *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		test_iint = rb_entry(parent, struct integrity_iint_cache,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 				     rb_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		if (inode < test_iint->inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 			p = &(*p)->rb_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 			p = &(*p)->rb_right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	iint->inode = inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	node = &iint->rb_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	inode->i_flags |= S_IMA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	rb_link_node(node, parent, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	rb_insert_color(node, &integrity_iint_tree);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	write_unlock(&integrity_iint_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	return iint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)  * integrity_inode_free - called on security_inode_free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)  * @inode: pointer to the inode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)  * Free the integrity information(iint) associated with an inode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) void integrity_inode_free(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	struct integrity_iint_cache *iint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	if (!IS_IMA(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	write_lock(&integrity_iint_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	iint = __integrity_iint_find(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	rb_erase(&iint->rb_node, &integrity_iint_tree);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	write_unlock(&integrity_iint_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	iint_free(iint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static void init_once(void *foo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	struct integrity_iint_cache *iint = foo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	memset(iint, 0, sizeof(*iint));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	iint->ima_file_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	iint->ima_mmap_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	iint->ima_bprm_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	iint->ima_read_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	iint->ima_creds_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	iint->evm_status = INTEGRITY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	mutex_init(&iint->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static int __init integrity_iintcache_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	iint_cache =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	    kmem_cache_create("iint_cache", sizeof(struct integrity_iint_cache),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			      0, SLAB_PANIC, init_once);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) DEFINE_LSM(integrity) = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	.name = "integrity",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	.init = integrity_iintcache_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)  * integrity_kernel_read - read data from the file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)  * This is a function for reading file content instead of kernel_read().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)  * It does not perform locking checks to ensure it cannot be blocked.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)  * It does not perform security checks because it is irrelevant for IMA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int integrity_kernel_read(struct file *file, loff_t offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 			  void *addr, unsigned long count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	return __kernel_read(file, addr, count, &offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)  * integrity_load_keys - load integrity keys hook
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)  * Hooks is called from init/main.c:kernel_init_freeable()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)  * when rootfs is ready
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) void __init integrity_load_keys(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	ima_load_x509();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	evm_load_x509();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static int __init integrity_fs_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	integrity_dir = securityfs_create_dir("integrity", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	if (IS_ERR(integrity_dir)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		int ret = PTR_ERR(integrity_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		if (ret != -ENODEV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 			pr_err("Unable to create integrity sysfs dir: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 			       ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		integrity_dir = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) late_initcall(integrity_fs_init)