Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751979AbdIFSLt (ORCPT ); Wed, 6 Sep 2017 14:11:49 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:49420 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750957AbdIFSLs (ORCPT ); Wed, 6 Sep 2017 14:11:48 -0400 Date: Wed, 6 Sep 2017 20:11:38 +0200 (CEST) From: Thomas Gleixner To: Shankara Pailoor cc: linux-kernel@vger.kernel.org, mingo@redhat.com, hpa@zytor.com, syzkaller Subject: Re: UBSAN undefined behavior in arch/x86/include/futex.h In-Reply-To: Message-ID: References: User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 196 Lines: 11 On Wed, 6 Sep 2017, Shankara Pailoor wrote: > Hi, > > I encountered this bug in kernel 4.13-rc7 while fuzzing with Syzkaller: That's known and harmless and fixed in Linus tree. Thanks, tglx