From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj2-f11.google.com (mail-pj2-f11.google.com [74.125.227.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF6FF489FD0 for ; Thu, 10 Sep 2026 12:57:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.227.139 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789045025; cv=none; b=AQZmkA+dYbuZHBndqKh2LiwTU76K1NjQQ2U1FMAaxThj9zkhLTv35kgM+ReE6rH1Fczxcm14o0c0txvm4O8wGz71kjGTTLqZhHhvxrbSHEucUMwHe2YCgy8Yc3B871tTTbDjj9/vE7aoEulKiBFhl0MmQS4xlIow51uwtAaB2PI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789045025; c=relaxed/simple; bh=gFGy71C2eoTN3BD7btjLcX7mhlzhINqXiE6srCYAltI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DNy2rPUNiq4y6z18p0Z5Pykw0ay56pMjCYmUtzbl39y49eKw803i1DnXJ2dNOX2Ly0hBT6XGRr0iIVJfp0dr/VaS8i0eWdxiU9WrUw3DgJrxNz3phmGZcPRDTXmbqkmvEBaoDB0xHxMJi2mP45GdgizeWIcwnifEbjxuKaXm/C4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=J8+gHB5w; arc=none smtp.client-ip=74.125.227.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="J8+gHB5w" Received: by mail-pj2-f11.google.com with SMTP id 98e67ed59e1d1-396a51b2605so2892790a91.0 for ; Thu, 10 Sep 2026 05:57:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1789045023; x=1789649823; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=6mRdG/Kt6hS/eZlSBVQMx/QTMGuDSPWApxK45jZ1fD0=; b=J8+gHB5wwAr6//E0BhOL11YFPxdzUJiarVII9E3aM9VU64ickEQigEnEZFVDgRfjnS EQCGiyP7CpG75IH0k+aqbtEwrlQLGa4t7Xp+NahfAa6ihKy6m5GWYd4OprDvFFVL/zmr VAA01Y8uEQPhGGjIUwfSGlIN3YUjZthzX2oi7QHJUWfXzrTpW8mODBhNCCpMlfApGsxe rdUuNPiLUVYgF+uwq3lZAdr3+PGGMymrbtKk6H7DT2AHYVM1+iK7NPzfyZ9dwuffeRos YilS2cwL91tKDRAztHVFNh3Nvb1PT8+ehULBAhSXnY/Eed24t0KJHuHxnEsnSK3L4/Aj xTBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789045023; x=1789649823; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=6mRdG/Kt6hS/eZlSBVQMx/QTMGuDSPWApxK45jZ1fD0=; b=r9mPZX/VFbDfE9CoB1+OwVETAw4pz2HQWkSKRgBYbYJ+Np4AvIEaNTSo+qFpNMpaxW G3sLu988jXZln4r2oAIPZrHJdy0GJSfZOwcEI4V8jPiCaUXMXVAkvSU/VRs4EHwa1PnX HyazMItSrlsuCe6RpQsqiFr19r4f7MqwgMWFKlPAf57CJV5BzqVBokiYMNgAom5F4lA1 DRoVI9vmaK1y/egbNmZ1E3LgIngd/bQkoo/re0KEgyouVRSFoIIXZ8XSDRbgK1Y2phYT pByeijxAKMF0a9S9o/72Uz13gWOv8i2m2aIwGe8SOppMmsbVg649T3NV3ET3cDcgQFQg yW1g== X-Forwarded-Encrypted: i=1; AKwUvBxUvEu/0I6qzDxtn71cFJ7wYALs2p1Eiqqm2jcIRvQD+bZwc8fmSqXkZGPWQdNdNJzLwc+8AZoxtPc9/s4=@vger.kernel.org X-Gm-Message-State: AFuF++mJ1kaRccCE+Qx/sOls0UAGTtlybiaIeXT+TLb1OIaFuGi7XvY+ vyZhHUWR9scvRbHyuQnVn+DwIhelIYhiQ3yavQUOFxsx6vdgKsB2A+On X-Gm-Gg: AYBFou3GQN3GD3miDxVXVA2NztWd2VvIcHS0GBGe1Yum5OjQUtbGrOHvb56Ua2PVNRa caFeTX+NKiqpN6E+RXqowQZ7OfwcbfGa25RA22ZmjlFnBHULDlY7HNGg2W8aoTnRuIbx4/Mc0hu tC21xOh5LRHfhDQxuHV0jG39AqfWFY2O2MA8eQRcfTFQWDaEAJddNUL1xa3f/vKOjOvMcrXNbxv ws51RsbmA37oSCMDewewGlRRWZALieyfosIIi7PfTefkyjcynT+ZivbNU7UrM5msM1EoCcrjjCi V8H+rHyJGz/yXmh5fAgkuneNwR0waAfeLtwYb2DE2OXysNmMWQNTzJTSxu5oYX9vthdFWIwwyRu MzBmVSEVjqE/lOigB5s3oEYcPO4Ueim5M+r6toQTXkMb9qXEyytGpU0XUAI+yH+XiIfeb3zSWQ/ YIjdmYeihRVhSPguxG4qEpCYKi5ADcjCf3ACMdGOGCKmkFCbrVg+7JnOSSRw== X-Received: by 2002:a17:90b:2d0b:b0:398:c794:ca26 with SMTP id 98e67ed59e1d1-39b263167f7mr60407420a91.25.1789045022916; Thu, 10 Sep 2026 05:57:02 -0700 (PDT) Received: from fedora ([69.5.53.41]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39d7e9014cbsm4800488a91.16.2026.09.10.05.57.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2026 05:57:02 -0700 (PDT) From: Tianyi Chen To: Andrew Morton , David Hildenbrand Cc: Shuah Khan , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Joel Savitz Subject: [PATCH v3 RESEND 2/2] selftests/mm: Only prepare ptrace_scope when memfd_secret is selected Date: Thu, 10 Sep 2026 20:56:45 +0800 Message-ID: <20260910125645.285866-3-diannaaav@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260910125645.285866-1-diannaaav@gmail.com> References: <20260910125645.285866-1-diannaaav@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Tianyi Chen The memfd_secret setup clears ptrace_scope whenever its test binary is executable, even when a different category was selected. run_test() filters the test invocation, but it does not protect the preceding setup. Check the category selection before entering the memfd_secret block so running unrelated categories does not change ptrace_scope. Keep the existing executable check and the behavior when memfd_secret is selected. Acked-by: David Hildenbrand (Arm) Assisted-by: LLM Signed-off-by: Tianyi Chen --- tools/testing/selftests/mm/run_vmtests.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh index 9e62ab4c6775..9bbef9410ccc 100755 --- a/tools/testing/selftests/mm/run_vmtests.sh +++ b/tools/testing/selftests/mm/run_vmtests.sh @@ -370,7 +370,7 @@ CATEGORY="process_madv" run_test ./process_madv CATEGORY="vma_merge" run_test ./merge -if [ -x ./memfd_secret ] +if test_selected "memfd_secret" && [ -x ./memfd_secret ] then if [ -f /proc/sys/kernel/yama/ptrace_scope ]; then (echo 0 > /proc/sys/kernel/yama/ptrace_scope 2>&1) | tap_prefix -- 2.55.0