From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f177.google.com (mail-pg1-f177.google.com [209.85.215.177]) (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 1CB804405 for ; Mon, 10 Jun 2024 01:34:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717983246; cv=none; b=jCNFXW5R1C3jTluGzOGniHIjyyUbmGqfUqYSE2EFZIwGw/i3UxsegLeSnLi5YXfu2MDupfLwT9g7mfbYBrFNN6LGd99+C93oewMuGU8fMlyFOS9Ldkrmd+RanlR1TbReR+Wf99+GvG8THfd1c3+AbhPYzSzv7BQdDaR0ylKIjFM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717983246; c=relaxed/simple; bh=jmIqpJvymZuEQ7ZhiDMw/Ii6LHGr3x430lM0oBzc+c8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=E06S1swLAfeMExGSLsxe2EL4qM/UCE9sPSus+gjZRnYglK1m6MENT+uCzZ7T6dO2Eq+uUpZ5Gy61XXlbpbpfWxj9ub2939ouXYzQilAJOliP6R4BBj3clwJjGHGAQ6+v+v6TDVCx2yyu2bKJgc6+PcUb7z258PzX+c4koguS+qI= 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=lNeCaU4K; arc=none smtp.client-ip=209.85.215.177 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="lNeCaU4K" Received: by mail-pg1-f177.google.com with SMTP id 41be03b00d2f7-681bc7f50d0so3306347a12.0 for ; Sun, 09 Jun 2024 18:34:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1717983244; x=1718588044; 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; bh=Nw8Z2fETsMJ3SJLBWNksiYDNzIXyakLfnOekQ8dyfms=; b=lNeCaU4KHwlfdZ8PRa6/117xQnFhvLbBMViTji0rRzsF+RGaSeY3QikCbKykJne0j1 Immu6kQy1/axSkBaYjMlYJlr0owLm3DNgbc7gXOu24c+B2Dt2R8rtIZ2OTGCvoxBeJzY JVigRIufPSDqj7Dg3xN2dOlW2PDByBQwfoYgCB+c49GeqDVhOMc2iKefvpZQAO/Fh3P4 iAJb7QUL9Fc8iUzsy62I/6ISqAtfWk8/7YxTHwclzLjSWGNBuxrY2sfLkm+zqhbzH14+ R4jJsc2M1UHQug7si8rL8FiVdkqAgNTFzZnSQay8CD/QDTZWALIBNHutpT99j149WzsK EjtA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717983244; x=1718588044; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Nw8Z2fETsMJ3SJLBWNksiYDNzIXyakLfnOekQ8dyfms=; b=a+a2dRgoVZXSzKyKXgX5InEhP9ZDlanJKtnNsuKgZdwgmBgaRkK0F1uq1rBRpQkgbV Oxyn8WO9aGprp1AHWI3zo3HoUpqw+lS9TEMGAxjJKPCidQQmxv0Ui3Fcx+toIYMpQJLt 6qTyVoW2ZjIPNKlqEtZkjwpD87WyDI4v0RX7f3tQcg3E0TXWr9t7V56tuIaV63vL8unS TFwfaOmEXK7iXA603PUBgPtNfgqTb2kujcyhg3p2yUZUN8MAWyIKA2IhFDUYzOTiPec4 6bpuwXMAmFXqLwWC3r0dWh8FxnEdXDE39Ga7j89vmlWA7VQJi0CmOHWO9GcEzlilMIYQ fkzA== X-Gm-Message-State: AOJu0YwPRocIfVP3W2hEk3rW9odf8NOOMYspVk3Kpi9dG0EfM1V4nvV5 OfOafQS190gKt17vgTsORRXmgkQAXSdh+MlHsbzxsQF/R3Q7XhCg X-Google-Smtp-Source: AGHT+IEMTExwZtsXN3STDozK6w46Zkzvbw9u59UoRiEucVYZxX19N4qSpR81Z4ts/DVwHtFz0R96LA== X-Received: by 2002:a17:902:e5d1:b0:1f7:1ab0:3b39 with SMTP id d9443c01a7336-1f71ab03e14mr5755065ad.25.1717983244484; Sun, 09 Jun 2024 18:34:04 -0700 (PDT) Received: from 192.168.124.8 ([125.121.34.85]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1f6bd7fd9b4sm71326555ad.281.2024.06.09.18.34.00 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 09 Jun 2024 18:34:04 -0700 (PDT) From: Yafang Shao To: jpoimboe@kernel.org, jikos@kernel.org, mbenes@suse.cz, pmladek@suse.com, joe.lawrence@redhat.com Cc: live-patching@vger.kernel.org, Yafang Shao , Marcos Paulo de Souza Subject: [PATCH v2 2/3] selftests/livepatch: Add selftests for "replace" sysfs attribute Date: Mon, 10 Jun 2024 09:32:36 +0800 Message-Id: <20240610013237.92646-3-laoar.shao@gmail.com> X-Mailer: git-send-email 2.30.1 (Apple Git-130) In-Reply-To: <20240610013237.92646-1-laoar.shao@gmail.com> References: <20240610013237.92646-1-laoar.shao@gmail.com> Precedence: bulk X-Mailing-List: live-patching@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add selftests for both atomic replace and non atomic replace livepatches. The result is as follows, TEST: sysfs test ... ok TEST: sysfs test object/patched ... ok TEST: sysfs test replace enabled ... ok TEST: sysfs test replace disabled ... ok Suggested-by: Marcos Paulo de Souza Signed-off-by: Yafang Shao --- .../testing/selftests/livepatch/test-sysfs.sh | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/tools/testing/selftests/livepatch/test-sysfs.sh b/tools/testing/selftests/livepatch/test-sysfs.sh index 6c646afa7395..05a14f5a7bfb 100755 --- a/tools/testing/selftests/livepatch/test-sysfs.sh +++ b/tools/testing/selftests/livepatch/test-sysfs.sh @@ -18,6 +18,7 @@ check_sysfs_rights "$MOD_LIVEPATCH" "" "drwxr-xr-x" check_sysfs_rights "$MOD_LIVEPATCH" "enabled" "-rw-r--r--" check_sysfs_value "$MOD_LIVEPATCH" "enabled" "1" check_sysfs_rights "$MOD_LIVEPATCH" "force" "--w-------" +check_sysfs_rights "$MOD_LIVEPATCH" "replace" "-r--r--r--" check_sysfs_rights "$MOD_LIVEPATCH" "transition" "-r--r--r--" check_sysfs_value "$MOD_LIVEPATCH" "transition" "0" check_sysfs_rights "$MOD_LIVEPATCH" "vmlinux/patched" "-r--r--r--" @@ -83,4 +84,51 @@ test_klp_callbacks_demo: post_unpatch_callback: vmlinux livepatch: 'test_klp_callbacks_demo': unpatching complete % rmmod test_klp_callbacks_demo" +start_test "sysfs test replace enabled" + +MOD_LIVEPATCH=test_klp_atomic_replace +load_lp $MOD_LIVEPATCH replace=1 + +check_sysfs_rights "$MOD_LIVEPATCH" "replace" "-r--r--r--" +check_sysfs_value "$MOD_LIVEPATCH" "replace" "1" + +disable_lp $MOD_LIVEPATCH +unload_lp $MOD_LIVEPATCH + +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko replace=1 +livepatch: enabling patch '$MOD_LIVEPATCH' +livepatch: '$MOD_LIVEPATCH': initializing patching transition +livepatch: '$MOD_LIVEPATCH': starting patching transition +livepatch: '$MOD_LIVEPATCH': completing patching transition +livepatch: '$MOD_LIVEPATCH': patching complete +% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled +livepatch: '$MOD_LIVEPATCH': initializing unpatching transition +livepatch: '$MOD_LIVEPATCH': starting unpatching transition +livepatch: '$MOD_LIVEPATCH': completing unpatching transition +livepatch: '$MOD_LIVEPATCH': unpatching complete +% rmmod $MOD_LIVEPATCH" + +start_test "sysfs test replace disabled" + +load_lp $MOD_LIVEPATCH replace=0 + +check_sysfs_rights "$MOD_LIVEPATCH" "replace" "-r--r--r--" +check_sysfs_value "$MOD_LIVEPATCH" "replace" "0" + +disable_lp $MOD_LIVEPATCH +unload_lp $MOD_LIVEPATCH + +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko replace=0 +livepatch: enabling patch '$MOD_LIVEPATCH' +livepatch: '$MOD_LIVEPATCH': initializing patching transition +livepatch: '$MOD_LIVEPATCH': starting patching transition +livepatch: '$MOD_LIVEPATCH': completing patching transition +livepatch: '$MOD_LIVEPATCH': patching complete +% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled +livepatch: '$MOD_LIVEPATCH': initializing unpatching transition +livepatch: '$MOD_LIVEPATCH': starting unpatching transition +livepatch: '$MOD_LIVEPATCH': completing unpatching transition +livepatch: '$MOD_LIVEPATCH': unpatching complete +% rmmod $MOD_LIVEPATCH" + exit 0 -- 2.39.1