Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758906Ab0FVC5m (ORCPT ); Mon, 21 Jun 2010 22:57:42 -0400 Received: from mail-qy0-f174.google.com ([209.85.216.174]:46951 "EHLO mail-qy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753614Ab0FVC5l (ORCPT ); Mon, 21 Jun 2010 22:57:41 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=cGy5Gs7rHxzi85EkAXcVhKmxAg+yIHf0EX0ZIwj12jAdSG/9BodUjs5D0phalJrRAd 30QI+Szyihoq7fDQ1eLjey41kVRiLhA+KiedBAX6Yv72HBHyALEbjZTGaqHDGhrvB47C AYVdSicsxiETabvG8neqRgfxJzIQ6P3DJAUzs= MIME-Version: 1.0 Date: Mon, 21 Jun 2010 20:57:40 -0600 Message-ID: Subject: 2.6.34 Crash in dmaengine_put() From: Jeffrey Merkey To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 532 Lines: 12 If someone sets the IFF_UP flags in the netdev structure without going through ifup userspace stuff, during unregister of the the netdev the dmaengine-put code will decrement the reference counter negative, and crash at BUG! in the driver/dma/dmaengine.c code. This seems busted. Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/