From a4ab50509c76a03d338f434a271494b450250f0d Mon Sep 17 00:00:00 2001 From: Yury Norov Date: Tue, 14 May 2019 15:43:21 -0700 Subject: [PATCH] lib/test_bitmap: add testcases for bitmap_parselist() Add tests for non-number character, empty regions, integer overflow. [ynorov@marvell.com: v5] Link: http://lkml.kernel.org/r/20190416063801.20134-5-ynorov@marvell.com Link: http://lkml.kernel.org/r/20190405173211.11373-5-ynorov@marvell.com Signed-off-by: Yury Norov Reviewed-by: Andy Shevchenko Cc: Arnd Bergmann Cc: Kees Cook Cc: Matthew Wilcox Cc: Mike Travis Cc: Rasmus Villemoes Cc: Tetsuo Handa Cc: Guenter Roeck Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- lib/test_bitmap.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c index 63d4a21955f0..6640a82ad44b 100644 --- a/lib/test_bitmap.c +++ b/lib/test_bitmap.c @@ -226,7 +226,8 @@ static const unsigned long exp[] __initconst = { BITMAP_FROM_U64(0xffffffff), BITMAP_FROM_U64(0xfffffffe), BITMAP_FROM_U64(0x3333333311111111ULL), - BITMAP_FROM_U64(0xffffffff77777777ULL) + BITMAP_FROM_U64(0xffffffff77777777ULL), + BITMAP_FROM_U64(0), }; static const unsigned long exp2[] __initconst = { @@ -249,19 +250,34 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = { {0, "1-31:4/4", &exp[9 * step], 32, 0}, {0, "0-31:1/4,32-63:2/4", &exp[10 * step], 64, 0}, {0, "0-31:3/4,32-63:4/4", &exp[11 * step], 64, 0}, + {0, " ,, 0-31:3/4 ,, 32-63:4/4 ,, ", &exp[11 * step], 64, 0}, {0, "0-31:1/4,32-63:2/4,64-95:3/4,96-127:4/4", exp2, 128, 0}, {0, "0-2047:128/256", NULL, 2048, PARSE_TIME}, + {0, "", &exp[12 * step], 8, 0}, + {0, "\n", &exp[12 * step], 8, 0}, + {0, ",, ,, , , ,", &exp[12 * step], 8, 0}, + {0, " , ,, , , ", &exp[12 * step], 8, 0}, + {0, " , ,, , , \n", &exp[12 * step], 8, 0}, + {-EINVAL, "-1", NULL, 8, 0}, {-EINVAL, "-0", NULL, 8, 0}, {-EINVAL, "10-1", NULL, 8, 0}, {-EINVAL, "0-31:", NULL, 8, 0}, {-EINVAL, "0-31:0", NULL, 8, 0}, + {-EINVAL, "0-31:0/", NULL, 8, 0}, {-EINVAL, "0-31:0/0", NULL, 8, 0}, {-EINVAL, "0-31:1/0", NULL, 8, 0}, {-EINVAL, "0-31:10/1", NULL, 8, 0}, + {-EOVERFLOW, "0-98765432123456789:10/1", NULL, 8, 0}, + + {-EINVAL, "a-31", NULL, 8, 0}, + {-EINVAL, "0-a1", NULL, 8, 0}, + {-EINVAL, "a-31:10/1", NULL, 8, 0}, + {-EINVAL, "0-31:a/1", NULL, 8, 0}, + {-EINVAL, "0-\n", NULL, 8, 0}, }; static void __init test_bitmap_parselist(void) -- 2.30.2