Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754086AbcKON5J (ORCPT ); Tue, 15 Nov 2016 08:57:09 -0500 Received: from mail-qk0-f178.google.com ([209.85.220.178]:33752 "EHLO mail-qk0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751611AbcKON5I (ORCPT ); Tue, 15 Nov 2016 08:57:08 -0500 MIME-Version: 1.0 In-Reply-To: References: From: Dmitry Vyukov Date: Tue, 15 Nov 2016 14:56:46 +0100 Message-ID: Subject: Re: perf: fuzzer KASAN slab-out-of-bounds in snb_uncore_imc_event_del To: Vince Weaver Cc: LKML , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Dave Jones , Stephane Eranian Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 778 Lines: 21 On Tue, Nov 15, 2016 at 2:52 PM, Vince Weaver wrote: > On Tue, 15 Nov 2016, Dmitry Vyukov wrote: > >> If you pipe the report through >> https://github.com/google/sanitizers/blob/master/address-sanitizer/tools/kasan_symbolize.py >> it will give you line numbers and inlined frames. > > is there any documentation for that program? the source code... > If I run the dump through > it, it removes the timestamps and as far as I can see doesn't do anything > else. There are 4 flags: https://github.com/google/sanitizers/blob/master/address-sanitizer/tools/kasan_symbolize.py#L315 The only important one is --linux which should point to a dir with vmlinux. Default value is cwd. Also do you have kernel built with debug info? No debug info, no lines.