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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CF9AC432C0 for ; Wed, 27 Nov 2019 21:26:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 605BB215A5 for ; Wed, 27 Nov 2019 21:26:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574889987; bh=mUCR23AAMHP7FiMfk5lBhT3X/eTAIhQFLugWPOV1dys=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=d+ZAZTM9d8SmeMptQ04pVTW3BQaPDUpMGo4C7Zow2Zma3o3oNtgqlBnCkbjFwdRbE hBrSQKSivUEPFU7dTsms5p6rLIoGBJ6b/tXyYBOp6AH5i5iXydKl7j+TQ5dKyn0mq0 CoPx7CNNK7YH5YBBmfYFDTpw3puP7j/nMUGX+kUs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731594AbfK0VAp (ORCPT ); Wed, 27 Nov 2019 16:00:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:52650 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729117AbfK0VAl (ORCPT ); Wed, 27 Nov 2019 16:00:41 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 474E82158A; Wed, 27 Nov 2019 21:00:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574888440; bh=mUCR23AAMHP7FiMfk5lBhT3X/eTAIhQFLugWPOV1dys=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0Ch633NNAyYgvijYkeEB+b1kNo5Xlmw8d/i/o0yxeXyYckEyVrut+6s+QCtBGH+JO SNhykguY+Wtv3AXdbqQMetV2TDYtWdUNKzI8LKsCs21pKgEuHAfmckCLU7LW89vRie 4pbs/o5Z1c2MgzCaZQCEtfF1vEV+8vvdf9tp/Ws0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Masami Hiramatsu , "Shuah Khan (Samsung OSG)" , Sasha Levin Subject: [PATCH 4.19 134/306] selftests/ftrace: Fix to test kprobe $comm arg only if available Date: Wed, 27 Nov 2019 21:29:44 +0100 Message-Id: <20191127203124.854258005@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191127203114.766709977@linuxfoundation.org> References: <20191127203114.766709977@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Masami Hiramatsu [ Upstream commit 2452c96e617a0ff6fb2692e55217a3fa57a7322c ] Test $comm in kprobe-event argument syntax testcase only if it is supported on the kernel because $comm has been introduced 4.8 kernel. So on older stable kernel, it should be skipped. Signed-off-by: Masami Hiramatsu Signed-off-by: Shuah Khan (Samsung OSG) Signed-off-by: Sasha Levin --- .../selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc index d026ff4e562f3..92ffb3bd33d82 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc @@ -78,8 +78,11 @@ test_badarg "\$stackp" "\$stack0+10" "\$stack1-10" echo "r ${PROBEFUNC} \$retval" > kprobe_events ! echo "p ${PROBEFUNC} \$retval" > kprobe_events +# $comm was introduced in 4.8, older kernels reject it. +if grep -A1 "fetcharg:" README | grep -q '\$comm' ; then : "Comm access" test_goodarg "\$comm" +fi : "Indirect memory access" test_goodarg "+0(${GOODREG})" "-0(${GOODREG})" "+10(\$stack)" \ -- 2.20.1