From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (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 ED4081C9EBD for ; Tue, 19 Nov 2024 11:39:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732016343; cv=none; b=bvKD8ZlC4Jih0BYW+4TC5U2QdO7I4Vz+DOzgdz60wKjDI0JDl/9pbeH0A58aEsXrZrsLQ8TWU3X9Sud/K2tj7ynlcH44Nu6M8n+9HKINhd4g2giQBB02N1jRt9nQ0HgQmGgmbhBpehd4RA5UGDka1a5ToebE9bJSzHXBnJitGRM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732016343; c=relaxed/simple; bh=oZ9tqA6L62aqjrupnvxT6JvlAwUuZLXArFlxVG2qKr8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Pzk7p6s/wGXlnRj/uS3B7t/FTq/0/4DH4jtyh7uYWPxHn1JIieqLO02mTje5+VtutxuuynIO0wpFgn+4IbwZHfmHRwwTOhV9YB28oL23rtX6QpaLaBcsbCJa5sZdCLkrWJMjLwQ/jv+Q6DsGPaZbOeO2/Co0Dd8nqb2ozRsGt5k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=OkBF/J7q; arc=none smtp.client-ip=209.85.128.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="OkBF/J7q" Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-4315b957ae8so3045565e9.1 for ; Tue, 19 Nov 2024 03:39:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1732016340; x=1732621140; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=mZ5xLXq1auqcHSe45YUJ8SRlrVXe/jZLSm2XCMGI+NA=; b=OkBF/J7qYTozvh93wEqnUSzhxgc72ivuqYG/xK4zLSuvckpkekcWO+vYuWLlAlqHF6 qRK614xsfx6B9KrdN32C2IF4+hN+8wDofxfT2v3EvPQJd8nSv6gjRc0EoyeTc3FKxE4b pCmuah9W3AxJ6bpd/pPlQX50f8CwSH5q7yn3yDSSPYaTpvjTY2wD85jR5/3g35GLLVp+ gqf2w8lt2vC/YASR1mKqtrcvLBSjFxlbqo5iDJLeHgyx2alyKsA+2oeyfj2lHAVwcwnM pgSWp+eAviKshgKvZ2yltBEYvYp8Rp0GgVHlDmGduVmMJ3pjLTzo+0Cl245XviQ9CQSL 9QKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732016340; x=1732621140; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=mZ5xLXq1auqcHSe45YUJ8SRlrVXe/jZLSm2XCMGI+NA=; b=IxkshmSy6QesP2g7P+CP8/PU0yiQSYhOpI0NsWp1ImYIhas4AFl134wh6W8K3Kjlxd I25r+dYtHIIuVerecMxDXtQwu/vvXp35djM36srDk79dk3Od4jEixRSgOpajIC2V/ZDG jxr+xkpUw03lu8uhhcSDHMGg7NwhRROtJAqxvF0ja0/O3H64Hh0yYfy1gkU9bpA+NYy9 xQVI3PgfbxwvsuLLr+9/ByX4OzAzv27eJV/aG7eAxuv+ZvpsbAN3iKirU3/yzOq9a9IU TxQ/UCRiHAKBn6WH+HSsMe3JWc2P5Wuw7yrthIKmh5l991IbWwCpD+3tZn0odJc/Hny8 tv9Q== X-Forwarded-Encrypted: i=1; AJvYcCWe+IRCOkyVjsYQWmBV/AdvoNdrxuh0ybbHEvuK53RerKydSfCVQVFkv/JCPzC64E0jOj5Kru33pJ+lVV8=@vger.kernel.org X-Gm-Message-State: AOJu0YzaujPgASlMbp3R/bcH71f7cS0Ms3hPLd9sWeQuhGs8tNwKUARh zrztEeFrtg8Q5/Zm5U4I3WdF5NGEMI66NTC7v72We2//LDm1YuMGKvC+Oav8kD4= X-Google-Smtp-Source: AGHT+IEfjAhyexdqiJfCVcYCeJhp7cyp1yYQsZIhT1vcXE1GZmBclRIgAIdt7QwVoKkA+QeG7xh4IQ== X-Received: by 2002:a05:600c:4710:b0:431:558c:d9e9 with SMTP id 5b1f17b1804b1-432df78ac1bmr58711265e9.5.1732016340235; Tue, 19 Nov 2024 03:39:00 -0800 (PST) Received: from localhost ([193.86.92.181]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-432da28b76fsm198451965e9.28.2024.11.19.03.38.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Nov 2024 03:39:00 -0800 (PST) From: Petr Tesarik To: Andrew Morton , Kees Cook , Jinbum Park Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Petr Tesarik Subject: [PATCH v2 0/2] Fix mm/rodata_test Date: Tue, 19 Nov 2024 12:37:37 +0100 Message-ID: X-Mailer: git-send-email 2.46.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Make sure that the test actually reads the read-only memory location. Verify that the variable contains the expected value rather than any non-zero value. Petr Tesarik (2): mm/rodata_test: use READ_ONCE() to read const variable mm/rodata_test: verify test data is unchanged, rather than non-zero mm/rodata_test.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) -- 2.46.1