3 files changed, 3 insertions, 19 deletions
diff --git a/security/apparmor/include/net.h b/security/apparmor/include/net.h
index 67bf888c3bd6..c42ed8a73f1c 100644
--- a/security/apparmor/include/net.h
+++ b/security/apparmor/include/net.h
@@ -51,10 +51,9 @@ struct aa_sk_ctx {
 	struct aa_label *peer;
 };
 
-#define SK_CTX(X) ((X)->sk_security)
 static inline struct aa_sk_ctx *aa_sock(const struct sock *sk)
 {
-	return sk->sk_security;
+	return sk->sk_security + apparmor_blob_sizes.lbs_sock;
 }
 
 #define DEFINE_AUDIT_NET(NAME, OP, SK, F, T, P)				  \
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index 808060f9effb..f5d05297d59e 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -1058,27 +1058,12 @@ static int apparmor_userns_create(const struct cred *cred)
 	return error;
 }
 
-static int apparmor_sk_alloc_security(struct sock *sk, int family, gfp_t flags)
-{
-	struct aa_sk_ctx *ctx;
-
-	ctx = kzalloc(sizeof(*ctx), flags);
-	if (!ctx)
-		return -ENOMEM;
-
-	sk->sk_security = ctx;
-
-	return 0;
-}
-
 static void apparmor_sk_free_security(struct sock *sk)
 {
 	struct aa_sk_ctx *ctx = aa_sock(sk);
 
-	sk->sk_security = NULL;
 	aa_put_label(ctx->label);
 	aa_put_label(ctx->peer);
-	kfree(ctx);
 }
 
 /**
@@ -1433,6 +1418,7 @@ struct lsm_blob_sizes apparmor_blob_sizes __ro_after_init = {
 	.lbs_cred = sizeof(struct aa_label *),
 	.lbs_file = sizeof(struct aa_file_ctx),
 	.lbs_task = sizeof(struct aa_task_ctx),
+	.lbs_sock = sizeof(struct aa_sk_ctx),
 };
 
 static const struct lsm_id apparmor_lsmid = {
@@ -1478,7 +1464,6 @@ static struct security_hook_list apparmor_hooks[] __ro_after_init = {
 	LSM_HOOK_INIT(getprocattr, apparmor_getprocattr),
 	LSM_HOOK_INIT(setprocattr, apparmor_setprocattr),
 
-	LSM_HOOK_INIT(sk_alloc_security, apparmor_sk_alloc_security),
 	LSM_HOOK_INIT(sk_free_security, apparmor_sk_free_security),
 	LSM_HOOK_INIT(sk_clone_security, apparmor_sk_clone_security),
 
diff --git a/security/apparmor/net.c b/security/apparmor/net.c
index 87e934b2b548..77413a519117 100644
--- a/security/apparmor/net.c
+++ b/security/apparmor/net.c
@@ -151,7 +151,7 @@ static int aa_label_sk_perm(const struct cred *subj_cred,
 			    const char *op, u32 request,
 			    struct sock *sk)
 {
-	struct aa_sk_ctx *ctx = SK_CTX(sk);
+	struct aa_sk_ctx *ctx = aa_sock(sk);
 	int error = 0;
 
 	AA_BUG(!label);