APPARMOR: Fix memory leak of apparmor_init() (a26d279e) · Commits · 戴 / test

set_init_cxt() allocted sizeof(struct aa_task_cxt) bytes for cxt, if register_security() failed, it will cause memory leak. Signed-off-by:

security/apparmor/lsm.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -922,7 +922,7 @@ static int __init apparmor_init(void)
		error = register_security(&apparmor_ops);
		if (error) {
		AA_ERROR("Unable to register AppArmor\n");
		goto register_security_out;
		goto set_init_cxt_out;
		}

		/* Report that AppArmor successfully initialized */
		@@ -936,6 +936,9 @@ static int __init apparmor_init(void)

		return error;

		set_init_cxt_out:
		aa_free_task_context(current->real_cred->security);

		register_security_out:
		aa_free_root_ns();

		@@ -944,7 +947,6 @@ alloc_out:

		apparmor_enabled = 0;
		return error;

		}

		security_initcall(apparmor_init);