From nobody Sat Apr 11 22:46:57 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E98E6C19F28 for ; Wed, 3 Aug 2022 14:49:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236196AbiHCOtq (ORCPT ); Wed, 3 Aug 2022 10:49:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236088AbiHCOtn (ORCPT ); Wed, 3 Aug 2022 10:49:43 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A811619C07 for ; Wed, 3 Aug 2022 07:49:41 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 2B82EB822CC for ; Wed, 3 Aug 2022 14:49:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 493CCC433C1; Wed, 3 Aug 2022 14:49:38 +0000 (UTC) Date: Wed, 3 Aug 2022 10:49:36 -0400 From: Steven Rostedt To: Linus Torvalds Cc: LKML , Andreas Schwab , Daniel Bristot de Oliveira , jianchunfu Subject: [GIT PULL] rtla: Updates for 5.20/6.0 Message-ID: <20220803104936.7df810fd@gandalf.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Linus, Real Time Analysis Tool updates for 5.20 / 6.0 Changes to RTLA: - Fix a double free - Define syscall numbers for RISCV - Fix Makefile when called from -C tools - Use calloc() to check for memory allocation failures Please pull the latest trace-rtla-v5.20 tree, which can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git trace-rtla-v5.20 Tag SHA1: ae546e8855f305db853d17a6509e267286dc5b2d Head SHA1: dd0b15bda48f59eb7dee17fab91eda8389f0e98d Andreas Schwab (2): rtla: Fix double free rtla: Define syscall numbers for riscv Daniel Bristot de Oliveira (1): rtla: Fix Makefile when called from -C tools/ jianchunfu (1): rtla/utils: Use calloc and check the potential memory allocation fail= ure ---- tools/tracing/rtla/Makefile | 2 +- tools/tracing/rtla/src/trace.c | 9 +++++++-- tools/tracing/rtla/src/utils.c | 7 ++++--- 3 files changed, 12 insertions(+), 6 deletions(-) --------------------------- diff --git a/tools/tracing/rtla/Makefile b/tools/tracing/rtla/Makefile index 3822f4ea5f49..1bea2d16d4c1 100644 --- a/tools/tracing/rtla/Makefile +++ b/tools/tracing/rtla/Makefile @@ -1,6 +1,6 @@ NAME :=3D rtla # Follow the kernel version -VERSION :=3D $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelv= ersion) +VERSION :=3D $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelv= ersion | grep -v make) =20 # From libtracefs: # Makefiles suck: This macro sets a default value of $(2) for the diff --git a/tools/tracing/rtla/src/trace.c b/tools/tracing/rtla/src/trace.c index 5784c9f9e570..e1ba6d9f4265 100644 --- a/tools/tracing/rtla/src/trace.c +++ b/tools/tracing/rtla/src/trace.c @@ -134,13 +134,18 @@ void trace_instance_destroy(struct trace_instance *tr= ace) if (trace->inst) { disable_tracer(trace->inst); destroy_instance(trace->inst); + trace->inst =3D NULL; } =20 - if (trace->seq) + if (trace->seq) { free(trace->seq); + trace->seq =3D NULL; + } =20 - if (trace->tep) + if (trace->tep) { tep_free(trace->tep); + trace->tep =3D NULL; + } } =20 /* diff --git a/tools/tracing/rtla/src/utils.c b/tools/tracing/rtla/src/utils.c index 5352167a1e75..663a047f794d 100644 --- a/tools/tracing/rtla/src/utils.c +++ b/tools/tracing/rtla/src/utils.c @@ -106,8 +106,9 @@ int parse_cpu_list(char *cpu_list, char **monitored_cpu= s) =20 nr_cpus =3D sysconf(_SC_NPROCESSORS_CONF); =20 - mon_cpus =3D malloc(nr_cpus * sizeof(char)); - memset(mon_cpus, 0, (nr_cpus * sizeof(char))); + mon_cpus =3D calloc(nr_cpus, sizeof(char)); + if (!mon_cpus) + goto err; =20 for (p =3D cpu_list; *p; ) { cpu =3D atoi(p); @@ -224,7 +225,7 @@ long parse_ns_duration(char *val) #elif __arm__ # define __NR_sched_setattr 380 # define __NR_sched_getattr 381 -#elif __aarch64__ +#elif __aarch64__ || __riscv # define __NR_sched_setattr 274 # define __NR_sched_getattr 275 #elif __powerpc__