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lib/test_bitmap: add testcases for bitmap_parselist()

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Add tests for non-number character, empty regions, integer overflow.

[[email protected]: v5]
  Link: http://lkml.kernel.org/r/[email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Yury Norov <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Mike Travis <[email protected]>
Cc: Rasmus Villemoes <[email protected]>
Cc: Tetsuo Handa <[email protected]>
Cc: Guenter Roeck <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Yury Norov 2019-05-14 15:43:21 -07:00 • committed by Linus Torvalds
commit a4ab50509c
1 changed files with 17 additions and 1 deletions
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18
lib/test_bitmap.c
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@ -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)