Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752031AbeAQCiq (ORCPT + 1 other); Tue, 16 Jan 2018 21:38:46 -0500 Received: from mail-pg0-f65.google.com ([74.125.83.65]:34155 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751930AbeAQCin (ORCPT ); Tue, 16 Jan 2018 21:38:43 -0500 X-Google-Smtp-Source: ACJfBotyr6RVBNFLNrfq8FuDbKcJfLpCmZyIEa5OWJrSX1x+yA+zalYlnx3lkmQPNRPAnLtuYwK7XQ== Date: Wed, 17 Jan 2018 11:35:41 +0900 From: Namhyung Kim To: changbin.du@intel.com Cc: rostedt@goodmis.org, jolsa@redhat.com, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, kernel-team@lge.com Subject: Re: [PATCH v3 0/3] tracing: Fix the parser when processing strings w/ or w/o terminated '\0' Message-ID: <20180117023541.GA6698@danjae.aot.lge.com> References: <1516093350-12045-1-git-send-email-changbin.du@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1516093350-12045-1-git-send-email-changbin.du@intel.com> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On Tue, Jan 16, 2018 at 05:02:27PM +0800, changbin.du@intel.com wrote: > From: Changbin Du > > I found there are some problems in the tracing parser when I investiage the root > cause of issues mentioned in below patch. > https://patchwork.kernel.org/patch/10132953/ > > This serials can fix them. > > v3: Polish commit msg from Steven Rostedt. > v2: > - Drop 1 old patch and add a new one. > - Stop parsing when '\0' found. > > Changbin Du (3): > tracing: detect the string termination character when parsing user > input string > tracing: clear parser->idx if parser gets nothing > tracing: make sure the parsed string always terminates with '\0' Acked-by: Namhyung Kim Thanks, Namhyung > > kernel/trace/ftrace.c | 2 -- > kernel/trace/trace.c | 14 +++++++------- > kernel/trace/trace_events.c | 2 -- > 3 files changed, 7 insertions(+), 11 deletions(-) > > -- > 2.7.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html