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=-1.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,URIBL_DBL_ABUSE_MALW autolearn=no 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 3CE76C35247 for ; Tue, 4 Feb 2020 01:37:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id F20CF2087E for ; Tue, 4 Feb 2020 01:37:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="KuI8ZoXK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F20CF2087E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9816F6B02D3; Mon, 3 Feb 2020 20:37:40 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 9317B6B02D5; Mon, 3 Feb 2020 20:37:40 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 848216B02D6; Mon, 3 Feb 2020 20:37:40 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0237.hostedemail.com [216.40.44.237]) by kanga.kvack.org (Postfix) with ESMTP id 6CDF36B02D3 for ; Mon, 3 Feb 2020 20:37:40 -0500 (EST) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 208022DFA for ; Tue, 4 Feb 2020 01:37:40 +0000 (UTC) X-FDA: 76450732680.07.heat60_25ce163093d0d X-HE-Tag: heat60_25ce163093d0d X-Filterd-Recvd-Size: 4149 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf46.hostedemail.com (Postfix) with ESMTP for ; Tue, 4 Feb 2020 01:37:39 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (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 93C3E20732; Tue, 4 Feb 2020 01:37:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580780259; bh=wrAF+631TNt2wvZRZA5Oaa/b/QcQ8CV+PIOQ7EjqdrM=; h=Date:From:To:Subject:In-Reply-To:From; b=KuI8ZoXKuztGOO0PcroQWksQXyr/wKUJYk6NXHykWuLyUB6RH3d3dAhy0QkxCfha/ CcpXJLMXiJDrldavaYYnPDPXR96oyFX45ekbc12e2eDG7zl7tmFzCpNlfI6LIv9/+T xGGUaPkmUF3WKCwccnumx9+9ihI4B8Pvwkc49BCY= Date: Mon, 03 Feb 2020 17:37:38 -0800 From: Andrew Morton To: acme@redhat.com, akpm@linux-foundation.org, amritha.nambiar@intel.com, andriy.shevchenko@linux.intel.com, chris@chris-wilson.co.uk, keescook@chromium.org, linux-mm@kvack.org, linux@rasmusvillemoes.dk, mm-commits@vger.kernel.org, mszeredi@redhat.com, steffen.klassert@secunet.com, tobin@kernel.org, torvalds@linux-foundation.org, vineet.gupta1@synopsys.com, will.deacon@arm.com, willemb@google.com, willy@infradead.org, yury.norov@gmail.com Subject: [patch 64/67] lib: new testcases for bitmap_parse{_user} Message-ID: <20200204013738.kRc4a54jr%akpm@linux-foundation.org> In-Reply-To: <20200203173311.6269a8be06a05e5a4aa08a93@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Yury Norov Subject: lib: new testcases for bitmap_parse{_user} New version of bitmap_parse() is unified with bitmap_parse_list(), and therefore: - weakens rules on whitespaces and commas between hex chunks; - in addition to - allows passing UINT_MAX or any other big number as the length of input string instead of actual string length. The patch covers the cases. Link: http://lkml.kernel.org/r/20200102043031.30357-7-yury.norov@gmail.com Signed-off-by: Yury Norov Reviewed-by: Andy Shevchenko Cc: Amritha Nambiar Cc: Arnaldo Carvalho de Melo Cc: Chris Wilson Cc: Kees Cook Cc: Matthew Wilcox Cc: Miklos Szeredi Cc: Rasmus Villemoes Cc: Steffen Klassert Cc: "Tobin C . Harding" Cc: Vineet Gupta Cc: Will Deacon Cc: Willem de Bruijn Signed-off-by: Andrew Morton --- lib/test_bitmap.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/lib/test_bitmap.c~lib-new-testcases-for-bitmap_parse_user +++ a/lib/test_bitmap.c @@ -415,14 +415,22 @@ static const unsigned long parse_test2[] }; static const struct test_bitmap_parselist parse_tests[] __initconst = { + {0, "", &parse_test[0 * step], 32, 0}, + {0, " ", &parse_test[0 * step], 32, 0}, {0, "0", &parse_test[0 * step], 32, 0}, + {0, "0\n", &parse_test[0 * step], 32, 0}, {0, "1", &parse_test[1 * step], 32, 0}, {0, "deadbeef", &parse_test[2 * step], 32, 0}, {0, "1,0", &parse_test[3 * step], 33, 0}, + {0, "deadbeef,\n,0,1", &parse_test[2 * step], 96, 0}, {0, "deadbeef,1,0", &parse_test2[0 * 2 * step], 96, 0}, {0, "baadf00d,deadbeef,1,0", &parse_test2[1 * 2 * step], 128, 0}, {0, "badf00d,deadbeef,1,0", &parse_test2[2 * 2 * step], 124, 0}, + {0, "badf00d,deadbeef,1,0", &parse_test2[2 * 2 * step], 124, NO_LEN}, + {0, " badf00d,deadbeef,1,0 ", &parse_test2[2 * 2 * step], 124, 0}, + {0, " , badf00d,deadbeef,1,0 , ", &parse_test2[2 * 2 * step], 124, 0}, + {0, " , badf00d, ,, ,,deadbeef,1,0 , ", &parse_test2[2 * 2 * step], 124, 0}, {-EINVAL, "goodfood,deadbeef,1,0", NULL, 128, 0}, {-EOVERFLOW, "3,0", NULL, 33, 0}, _