From mboxrd@z Thu Jan 1 00:00:00 1970 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 CC149C43217 for ; Mon, 3 Jan 2022 14:40:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235275AbiACOkk (ORCPT ); Mon, 3 Jan 2022 09:40:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234084AbiACOil (ORCPT ); Mon, 3 Jan 2022 09:38:41 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EFAAAC07E5E2; Mon, 3 Jan 2022 06:34:30 -0800 (PST) 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 B3D2DB80EFC; Mon, 3 Jan 2022 14:34:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E136EC36AED; Mon, 3 Jan 2022 14:34:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1641220468; bh=YIjBzPPqa5QAcAhiZs0ESAz/+p0tkh4C0LcXrgB+6h4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hMPAMYX4aCNo49MHpi9rBxvOwNQfIo2TKowL9LtRh4Su90G4A1OVJdLcoimANgl4B fTycUSTONLWoOVxgBU+p5Pfny86udtwqK77YyzCBFzSuIH583npguAWhMXDXhMFwqn wH7YZLL4ljupS6U29mD+Egz4lyt0uzWCUfZSZTBw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Adrian Hunter , Namhyung Kim , Jiri Olsa , Riccardo Mancini , Arnaldo Carvalho de Melo Subject: [PATCH 5.15 71/73] perf intel-pt: Fix parsing of VM time correlation arguments Date: Mon, 3 Jan 2022 15:24:32 +0100 Message-Id: <20220103142059.218449005@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220103142056.911344037@linuxfoundation.org> References: <20220103142056.911344037@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Adrian Hunter commit a78abde220243d6f44a265fe36c49957f6fa9851 upstream. Parser did not take ':' into account. Example: Before: $ perf record -e intel_pt//u uname Linux [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.026 MB perf.data ] $ perf inject -i perf.data --vm-time-correlation="dry-run 123" $ perf inject -i perf.data --vm-time-correlation="dry-run 123:456" Failed to parse VM Time Correlation options 0x620 [0x98]: failed to process type: 70 [Invalid argument] $ After: $ perf inject -i perf.data --vm-time-correlation="dry-run 123:456" $ Fixes: e3ff42bdebcfeb5f ("perf intel-pt: Parse VM Time Correlation options and set up decoding") Signed-off-by: Adrian Hunter Acked-by: Namhyung Kim Cc: Jiri Olsa Cc: Riccardo Mancini Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20211215080636.149562-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Greg Kroah-Hartman --- tools/perf/util/intel-pt.c | 1 + 1 file changed, 1 insertion(+) --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -3540,6 +3540,7 @@ static int intel_pt_parse_vm_tm_corr_arg *args = p; return 0; } + p += 1; while (1) { vmcs = strtoull(p, &p, 0); if (errno)