From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: [patch 64/67] lib: new testcases for bitmap_parse{_user} Date: Mon, 03 Feb 2020 17:37:38 -0800 Message-ID: <20200204013738.kRc4a54jr%akpm@linux-foundation.org> References: <20200203173311.6269a8be06a05e5a4aa08a93@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:39886 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726369AbgBDBhj (ORCPT ); Mon, 3 Feb 2020 20:37:39 -0500 In-Reply-To: <20200203173311.6269a8be06a05e5a4aa08a93@linux-foundation.org> Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org 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 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}, _