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-rw-r--r--security/tomoyo/common.h3
-rw-r--r--security/tomoyo/tomoyo.c6
2 files changed, 8 insertions, 1 deletions
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index 41898613d93b..4fc17294a12d 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -1087,6 +1087,7 @@ extern struct tomoyo_domain_info tomoyo_kernel_domain;
extern struct tomoyo_policy_namespace tomoyo_kernel_namespace;
extern unsigned int tomoyo_memory_quota[TOMOYO_MAX_MEMORY_STAT];
extern unsigned int tomoyo_memory_used[TOMOYO_MAX_MEMORY_STAT];
+extern struct lsm_blob_sizes tomoyo_blob_sizes;
/********** Inlined functions. **********/
@@ -1206,7 +1207,7 @@ static inline void tomoyo_put_group(struct tomoyo_group *group)
*/
static inline struct tomoyo_domain_info **tomoyo_cred(const struct cred *cred)
{
- return (struct tomoyo_domain_info **)&cred->security;
+ return cred->security + tomoyo_blob_sizes.lbs_cred;
}
/**
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index 15864307925d..9094cf41a247 100644
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -509,6 +509,10 @@ static int tomoyo_socket_sendmsg(struct socket *sock, struct msghdr *msg,
return tomoyo_socket_sendmsg_permission(sock, msg, size);
}
+struct lsm_blob_sizes tomoyo_blob_sizes __lsm_ro_after_init = {
+ .lbs_cred = sizeof(struct tomoyo_domain_info *),
+};
+
/*
* tomoyo_security_ops is a "struct security_operations" which is used for
* registering TOMOYO.
@@ -562,6 +566,7 @@ static int __init tomoyo_init(void)
/* register ourselves with the security framework */
security_add_hooks(tomoyo_hooks, ARRAY_SIZE(tomoyo_hooks), "tomoyo");
printk(KERN_INFO "TOMOYO Linux initialized\n");
+ lsm_early_cred(cred);
blob = tomoyo_cred(cred);
*blob = &tomoyo_kernel_domain;
tomoyo_mm_init();
@@ -573,5 +578,6 @@ DEFINE_LSM(tomoyo) = {
.name = "tomoyo",
.enabled = &tomoyo_enabled,
.flags = LSM_FLAG_LEGACY_MAJOR | LSM_FLAG_EXCLUSIVE,
+ .blobs = &tomoyo_blob_sizes,
.init = tomoyo_init,
};