Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755002Ab2HUBLI (ORCPT ); Mon, 20 Aug 2012 21:11:08 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:39612 "EHLO e31.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754577Ab2HUBLG (ORCPT ); Mon, 20 Aug 2012 21:11:06 -0400 Message-ID: <5032E021.2030400@linaro.org> Date: Mon, 20 Aug 2012 18:10:57 -0700 From: John Stultz User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120714 Thunderbird/14.0 MIME-Version: 1.0 To: Fengguang Wu CC: LKML , Ingo Molnar , Peter Zijlstra , Richard Cochran , Prarit Bhargava , Thomas Gleixner , linux-fsdevel@vger.kernel.org Subject: Re: BUG: NULL pointer dereference in shmem_evict_inode() References: <20120821010403.GA12018@localhost> In-Reply-To: <20120821010403.GA12018@localhost> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12082101-7282-0000-0000-00000C25FCE7 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 808 Lines: 21 On 08/20/2012 06:04 PM, Fengguang Wu wrote: > Hi John, > > The below oops happens in v3.5..v3.6-rc2 and it's bisected down to commit > 2a8c0883c ("time: Move xtime_nsec adjustment underflow handling timekeeping_adjust"). > > However linux-next is working fine. Do you have any fixes not yet sent to Linus? Yea, there's a fix pending in tip/timers/urgent (4e8b14526ca7fb046a81c94002c1c43b6fdf0e9b) to catch crazy values from settimeofday or the cmos clock that might overflow a ktime_t. Out of curiosity, how are you triggering/reproducing this? thanks -john -- 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/