From owner-svn-src-all@FreeBSD.ORG  Fri Jan 27 08:58:59 2012
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 54B90106564A;
	Fri, 27 Jan 2012 08:58:59 +0000 (UTC)
	(envelope-from glebius@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 43B2F8FC13;
	Fri, 27 Jan 2012 08:58:59 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q0R8wxi6030722;
	Fri, 27 Jan 2012 08:58:59 GMT (envelope-from glebius@svn.freebsd.org)
Received: (from glebius@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id q0R8wx09030720;
	Fri, 27 Jan 2012 08:58:59 GMT (envelope-from glebius@svn.freebsd.org)
Message-Id: <201201270858.q0R8wx09030720@svn.freebsd.org>
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Fri, 27 Jan 2012 08:58:59 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r230610 - head/sys/kern
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 27 Jan 2012 08:58:59 -0000

Author: glebius
Date: Fri Jan 27 08:58:58 2012
New Revision: 230610
URL: http://svn.freebsd.org/changeset/base/230610

Log:
  Fix size check, that prevents getting negative after casting
  to a signed type
  
  Reviewed by:	bde

Modified:
  head/sys/kern/vfs_aio.c

Modified: head/sys/kern/vfs_aio.c
==============================================================================
--- head/sys/kern/vfs_aio.c	Fri Jan 27 08:46:32 2012	(r230609)
+++ head/sys/kern/vfs_aio.c	Fri Jan 27 08:58:58 2012	(r230610)
@@ -1553,7 +1553,7 @@ aio_aqueue(struct thread *td, struct aio
 	}
 
 	/* XXX: aio_nbytes is later casted to signed types. */
-	if ((int)aiocbe->uaiocb.aio_nbytes < 0) {
+	if (aiocbe->uaiocb.aio_nbytes > INT_MAX) {
 		uma_zfree(aiocb_zone, aiocbe);
 		return (EINVAL);
 	}