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authorCasey Schaufler <casey@schaufler-ca.com>2018-11-12 09:30:56 -0800
committerKees Cook <keescook@chromium.org>2019-01-08 13:18:44 -0800
commitbbd3662a834813730912a58efb44dd6df6d952e6 (patch)
treef4c0252814e717185845bde03fe88d341d5967b5 /security/smack/smack.h
parent43fc460907dc56a3450654efc6ba1dfbcd4594eb (diff)
downloadlinux-bbd3662a834813730912a58efb44dd6df6d952e6.tar.gz
Infrastructure management of the cred security blob
Move management of the cred security blob out of the security modules and into the security infrastructre. Instead of allocating and freeing space the security modules tell the infrastructure how much space they require. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: Kees Cook <keescook@chromium.org> [kees: adjusted for ordered init series] Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'security/smack/smack.h')
-rw-r--r--security/smack/smack.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/security/smack/smack.h b/security/smack/smack.h
index 01a922856eba..b27eb252e953 100644
--- a/security/smack/smack.h
+++ b/security/smack/smack.h
@@ -336,6 +336,7 @@ extern struct smack_known *smack_syslog_label;
extern struct smack_known *smack_unconfined;
#endif
extern int smack_ptrace_rule;
+extern struct lsm_blob_sizes smack_blob_sizes;
extern struct smack_known smack_known_floor;
extern struct smack_known smack_known_hat;
@@ -358,7 +359,7 @@ extern struct hlist_head smack_known_hash[SMACK_HASH_SLOTS];
static inline struct task_smack *smack_cred(const struct cred *cred)
{
- return cred->security;
+ return cred->security + smack_blob_sizes.lbs_cred;
}
/*