^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Test cases for lib/hexdump.c module.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/random.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static const unsigned char data_b[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) '\xbe', '\x32', '\xdb', '\x7b', '\x0a', '\x18', '\x93', '\xb2', /* 00 - 07 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) '\x70', '\xba', '\xc4', '\x24', '\x7d', '\x83', '\x34', '\x9b', /* 08 - 0f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) '\xa6', '\x9c', '\x31', '\xad', '\x9c', '\x0f', '\xac', '\xe9', /* 10 - 17 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) '\x4c', '\xd1', '\x19', '\x99', '\x43', '\xb1', '\xaf', '\x0c', /* 18 - 1f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static const unsigned char data_a[] = ".2.{....p..$}.4...1.....L...C...";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static const char * const test_data_1[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) "be", "32", "db", "7b", "0a", "18", "93", "b2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) "70", "ba", "c4", "24", "7d", "83", "34", "9b",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) "a6", "9c", "31", "ad", "9c", "0f", "ac", "e9",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) "4c", "d1", "19", "99", "43", "b1", "af", "0c",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static const char * const test_data_2_le[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) "32be", "7bdb", "180a", "b293",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) "ba70", "24c4", "837d", "9b34",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) "9ca6", "ad31", "0f9c", "e9ac",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) "d14c", "9919", "b143", "0caf",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static const char * const test_data_2_be[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) "be32", "db7b", "0a18", "93b2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) "70ba", "c424", "7d83", "349b",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) "a69c", "31ad", "9c0f", "ace9",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) "4cd1", "1999", "43b1", "af0c",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static const char * const test_data_4_le[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) "7bdb32be", "b293180a", "24c4ba70", "9b34837d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) "ad319ca6", "e9ac0f9c", "9919d14c", "0cafb143",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static const char * const test_data_4_be[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) "be32db7b", "0a1893b2", "70bac424", "7d83349b",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) "a69c31ad", "9c0face9", "4cd11999", "43b1af0c",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static const char * const test_data_8_le[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) "b293180a7bdb32be", "9b34837d24c4ba70",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) "e9ac0f9cad319ca6", "0cafb1439919d14c",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static const char * const test_data_8_be[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) "be32db7b0a1893b2", "70bac4247d83349b",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) "a69c31ad9c0face9", "4cd1199943b1af0c",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define FILL_CHAR '#'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static unsigned total_tests __initdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static unsigned failed_tests __initdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static void __init test_hexdump_prepare_test(size_t len, int rowsize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int groupsize, char *test,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) size_t testlen, bool ascii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) char *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) const char * const *result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) size_t l = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int gs = groupsize, rs = rowsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) const bool is_be = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (rs != 16 && rs != 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) rs = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (l > rs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) l = rs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if (!is_power_of_2(gs) || gs > 8 || (len % gs != 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) gs = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) if (gs == 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) result = is_be ? test_data_8_be : test_data_8_le;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) else if (gs == 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) result = is_be ? test_data_4_be : test_data_4_le;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) else if (gs == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) result = is_be ? test_data_2_be : test_data_2_le;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) result = test_data_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* hex dump */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) p = test;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) for (i = 0; i < l / gs; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) const char *q = *result++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) size_t amount = strlen(q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) memcpy(p, q, amount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) p += amount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) *p++ = ' ';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) if (i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) p--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* ASCII part */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if (ascii) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) *p++ = ' ';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) } while (p < test + rs * 2 + rs / gs + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) strncpy(p, data_a, l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) p += l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) *p = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #define TEST_HEXDUMP_BUF_SIZE (32 * 3 + 2 + 32 + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static void __init test_hexdump(size_t len, int rowsize, int groupsize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) bool ascii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) char test[TEST_HEXDUMP_BUF_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) char real[TEST_HEXDUMP_BUF_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) total_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) memset(real, FILL_CHAR, sizeof(real));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) hex_dump_to_buffer(data_b, len, rowsize, groupsize, real, sizeof(real),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) ascii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) memset(test, FILL_CHAR, sizeof(test));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) test_hexdump_prepare_test(len, rowsize, groupsize, test, sizeof(test),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) ascii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (memcmp(test, real, TEST_HEXDUMP_BUF_SIZE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) pr_err("Len: %zu row: %d group: %d\n", len, rowsize, groupsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) pr_err("Result: '%s'\n", real);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) pr_err("Expect: '%s'\n", test);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) failed_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) static void __init test_hexdump_set(int rowsize, bool ascii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) size_t d = min_t(size_t, sizeof(data_b), rowsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) size_t len = get_random_int() % d + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) test_hexdump(len, rowsize, 4, ascii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) test_hexdump(len, rowsize, 2, ascii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) test_hexdump(len, rowsize, 8, ascii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) test_hexdump(len, rowsize, 1, ascii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) static void __init test_hexdump_overflow(size_t buflen, size_t len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) int rowsize, int groupsize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) bool ascii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) char test[TEST_HEXDUMP_BUF_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) char buf[TEST_HEXDUMP_BUF_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) int rs = rowsize, gs = groupsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int ae, he, e, f, r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) bool a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) total_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) memset(buf, FILL_CHAR, sizeof(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) r = hex_dump_to_buffer(data_b, len, rs, gs, buf, buflen, ascii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) * Caller must provide the data length multiple of groupsize. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) * calculations below are made with that assumption in mind.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) ae = rs * 2 /* hex */ + rs / gs /* spaces */ + 1 /* space */ + len /* ascii */;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) he = (gs * 2 /* hex */ + 1 /* space */) * len / gs - 1 /* no trailing space */;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (ascii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) e = ae;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) e = he;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) f = min_t(int, e + 1, buflen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (buflen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) test_hexdump_prepare_test(len, rs, gs, test, sizeof(test), ascii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) test[f - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) memset(test + f, FILL_CHAR, sizeof(test) - f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) a = r == e && !memcmp(test, buf, TEST_HEXDUMP_BUF_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) buf[sizeof(buf) - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (!a) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) pr_err("Len: %zu buflen: %zu strlen: %zu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) len, buflen, strnlen(buf, sizeof(buf)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) pr_err("Result: %d '%s'\n", r, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) pr_err("Expect: %d '%s'\n", e, test);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) failed_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static void __init test_hexdump_overflow_set(size_t buflen, bool ascii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) unsigned int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) int rs = (get_random_int() % 2 + 1) * 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) int gs = 1 << i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) size_t len = get_random_int() % rs + gs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) test_hexdump_overflow(buflen, rounddown(len, gs), rs, gs, ascii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) } while (i++ < 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) static int __init test_hexdump_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) int rowsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) rowsize = (get_random_int() % 2 + 1) * 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) for (i = 0; i < 16; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) test_hexdump_set(rowsize, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) rowsize = (get_random_int() % 2 + 1) * 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) for (i = 0; i < 16; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) test_hexdump_set(rowsize, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) for (i = 0; i <= TEST_HEXDUMP_BUF_SIZE; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) test_hexdump_overflow_set(i, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) for (i = 0; i <= TEST_HEXDUMP_BUF_SIZE; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) test_hexdump_overflow_set(i, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (failed_tests == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) pr_info("all %u tests passed\n", total_tests);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) pr_err("failed %u out of %u tests\n", failed_tests, total_tests);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return failed_tests ? -EINVAL : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) module_init(test_hexdump_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) static void __exit test_hexdump_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) /* do nothing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) module_exit(test_hexdump_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) MODULE_LICENSE("Dual BSD/GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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