[dm-devel] [PATCH v2 06/21] multipath-tools: add tests for broken VPD page 83
Benjamin Marzinski
bmarzins at redhat.com
Wed Dec 1 18:37:39 UTC 2021
On Wed, Dec 01, 2021 at 01:36:35PM +0100, mwilck at suse.com wrote:
> From: Martin Wilck <mwilck at suse.com>
>
> Add some tests for the consistency checks in the VPD.
>
Reviewed-by: Benjamin Marzinski <bmarzins at redhat.com>
> Signed-off-by: Martin Wilck <mwilck at suse.com>
> ---
> tests/vpd.c | 144 +++++++++++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 143 insertions(+), 1 deletion(-)
>
> diff --git a/tests/vpd.c b/tests/vpd.c
> index 8e730d3..a7d2092 100644
> --- a/tests/vpd.c
> +++ b/tests/vpd.c
> @@ -9,6 +9,7 @@
> #include <stdint.h>
> #include <stdlib.h>
> #include <unistd.h>
> +#include <errno.h>
> #include <stdarg.h>
> #include <stddef.h>
> #include <setjmp.h>
> @@ -291,7 +292,9 @@ static int create_vpd83(unsigned char *buf, size_t bufsiz, const char *id,
> unsigned char *desc;
> int n = 0;
>
> - memset(buf, 0, bufsiz);
> + /* Fill with large number, which will cause length overflow */
> + memset(buf, 0xed, bufsiz);
> + buf[0] = 0;
> buf[1] = 0x83;
>
> desc = buf + 4;
> @@ -500,6 +503,27 @@ static void test_vpd_naa_ ## naa ## _ ## wlen(void **state) \
> test_id, vt->wwid); \
> }
>
> +/**
> + * test_cpd_naa_NAA_badlen_BAD() - test detection of bad length fields
> + * @NAA: Network Name Authority (2, 3, 5, 16)
> + * @BAD: Value for designator length field
> + * @ERR: Expected error code
> + */
> +#define make_test_vpd_naa_badlen(NAA, BAD, ERR) \
> +static void test_vpd_naa_##NAA##_badlen_##BAD(void **state) \
> +{ \
> + struct vpdtest *vt = *state; \
> + int n, ret; \
> + \
> + n = create_vpd83(vt->vpdbuf, sizeof(vt->vpdbuf), test_id, 3, NAA, 0); \
> + \
> + vt->vpdbuf[7] = BAD; \
> + will_return(__wrap_ioctl, n); \
> + will_return(__wrap_ioctl, vt->vpdbuf); \
> + ret = get_vpd_sgio(10, 0x83, 0, vt->wwid, 40); \
> + assert_int_equal(-ret, -ERR); \
> +}
> +
> /**
> * test_vpd_eui_LEN_WLEN() - test code for VPD 83, EUI64
> * @LEN: EUI64 length (8, 12, or 16)
> @@ -532,6 +556,31 @@ static void test_vpd_eui_ ## len ## _ ## wlen ## _ ## sml(void **state) \
> test_id, vt->wwid); \
> }
>
> +/**
> + * test_cpd_eui_LEN_badlen_BAD() - test detection of bad length fields
> + * @NAA: correct length(8, 12, 16)
> + * @BAD: value for designator length field
> + * @ERR: expected error code
> + */
> +#define make_test_vpd_eui_badlen(LEN, BAD, ERR) \
> +static void test_vpd_eui_badlen_##LEN##_##BAD(void **state) \
> +{ \
> + struct vpdtest *vt = *state; \
> + int n, ret; \
> + \
> + n = create_vpd83(vt->vpdbuf, sizeof(vt->vpdbuf), test_id, 2, 0, LEN); \
> + \
> + vt->vpdbuf[7] = BAD; \
> + will_return(__wrap_ioctl, n); \
> + will_return(__wrap_ioctl, vt->vpdbuf); \
> + ret = get_vpd_sgio(10, 0x83, 0, vt->wwid, 40); \
> + assert_int_equal(ret, ERR); \
> + if (ERR >= 0) \
> + assert_correct_wwid("test_vpd_eui_badlen_"#LEN"_"#BAD, \
> + 2 * BAD + 1, ret, '2', 0, true, \
> + test_id, vt->wwid); \
> +}
> +
> /**
> * test_vpd80_SIZE_LEN_WLEN() - test code for VPD 80
> * @SIZE, @LEN: see create_vpd80()
> @@ -621,6 +670,17 @@ make_test_vpd_eui(8, 17, 0);
> make_test_vpd_eui(8, 16, 0);
> make_test_vpd_eui(8, 10, 0);
>
> +make_test_vpd_eui_badlen(8, 8, 17);
> +/* Invalid entry, length overflow */
> +make_test_vpd_eui_badlen(8, 12, -EOVERFLOW);
> +make_test_vpd_eui_badlen(8, 9, -EOVERFLOW);
> +/* invalid entry, no length overflow, but no full next entry */
> +make_test_vpd_eui_badlen(8, 7, -EINVAL);
> +make_test_vpd_eui_badlen(8, 5, -EINVAL);
> +/* invalid entry, length of next one readable but too long */
> +make_test_vpd_eui_badlen(8, 4, -EOVERFLOW);
> +make_test_vpd_eui_badlen(8, 0, -EOVERFLOW);
> +
> /* 96 bit, WWID size: 26 */
> make_test_vpd_eui(12, 32, 0);
> make_test_vpd_eui(12, 26, 0);
> @@ -628,12 +688,38 @@ make_test_vpd_eui(12, 25, 0);
> make_test_vpd_eui(12, 20, 0);
> make_test_vpd_eui(12, 10, 0);
>
> +make_test_vpd_eui_badlen(12, 12, 25);
> +make_test_vpd_eui_badlen(12, 16, -EOVERFLOW);
> +make_test_vpd_eui_badlen(12, 13, -EOVERFLOW);
> +/* invalid entry, no length overflow, but no full next entry */
> +make_test_vpd_eui_badlen(12, 11, -EINVAL);
> +make_test_vpd_eui_badlen(12, 9, -EINVAL);
> +/* non-fatal - valid 8-byte descriptor */
> +make_test_vpd_eui_badlen(12, 8, 17);
> +/* invalid entry, length of next one readable but too long */
> +make_test_vpd_eui_badlen(12, 7, -EOVERFLOW);
> +make_test_vpd_eui_badlen(12, 0, -EOVERFLOW);
> +
> /* 128 bit, WWID size: 34 */
> make_test_vpd_eui(16, 40, 0);
> make_test_vpd_eui(16, 34, 0);
> make_test_vpd_eui(16, 33, 0);
> make_test_vpd_eui(16, 20, 0);
>
> +make_test_vpd_eui_badlen(16, 16, 33);
> +make_test_vpd_eui_badlen(16, 17, -EOVERFLOW);
> +make_test_vpd_eui_badlen(16, 15, -EINVAL);
> +make_test_vpd_eui_badlen(16, 13, -EINVAL);
> +/* non-fatal - valid 12-byte descriptor */
> +make_test_vpd_eui_badlen(16, 12, 25);
> +/* invalid entry, length of next one readable but too long */
> +make_test_vpd_eui_badlen(16, 11, -EOVERFLOW);
> +/* non-fatal - valid 8-byte descriptor */
> +make_test_vpd_eui_badlen(16, 8, 17);
> +/* invalid entry, length of next one readable but too long */
> +make_test_vpd_eui_badlen(16, 7, -EOVERFLOW);
> +make_test_vpd_eui_badlen(16, 0, -EOVERFLOW);
> +
> /* NAA IEEE registered extended (36), WWID size: 34 */
> make_test_vpd_naa(6, 40);
> make_test_vpd_naa(6, 34);
> @@ -641,12 +727,33 @@ make_test_vpd_naa(6, 33);
> make_test_vpd_naa(6, 32);
> make_test_vpd_naa(6, 20);
>
> +/* NAA IEEE registered extended with bad designator length */
> +make_test_vpd_naa_badlen(6, 16, 33);
> +/* offset overflow */
> +make_test_vpd_naa_badlen(6, 17, -EOVERFLOW);
> +/* invalid entry, no length overflow, but no full next entry */
> +make_test_vpd_naa_badlen(6, 15, -EINVAL);
> +/* invalid entry, length of next one readable but too long */
> +make_test_vpd_naa_badlen(6, 8, -EOVERFLOW);
> +make_test_vpd_naa_badlen(6, 0, -EOVERFLOW);
> +
> /* NAA IEEE registered (35), WWID size: 18 */
> make_test_vpd_naa(5, 20);
> make_test_vpd_naa(5, 18);
> make_test_vpd_naa(5, 17);
> make_test_vpd_naa(5, 16);
>
> +/* NAA IEEE registered with bad designator length */
> +make_test_vpd_naa_badlen(5, 8, 17);
> +/* offset overflow */
> +make_test_vpd_naa_badlen(5, 16, -EOVERFLOW);
> +make_test_vpd_naa_badlen(5, 9, -EOVERFLOW);
> +/* invalid entry, no length overflow, but no full next entry */
> +make_test_vpd_naa_badlen(5, 7, -EINVAL);
> +/* invalid entry, length of next one readable but too long */
> +make_test_vpd_naa_badlen(5, 4, -EOVERFLOW);
> +make_test_vpd_naa_badlen(5, 0, -EOVERFLOW);
> +
> /* NAA local (33), WWID size: 18 */
> make_test_vpd_naa(3, 20);
> make_test_vpd_naa(3, 18);
> @@ -741,24 +848,59 @@ static int test_vpd(void)
> cmocka_unit_test(test_vpd_eui_8_17_0),
> cmocka_unit_test(test_vpd_eui_8_16_0),
> cmocka_unit_test(test_vpd_eui_8_10_0),
> + cmocka_unit_test(test_vpd_eui_badlen_8_8),
> + cmocka_unit_test(test_vpd_eui_badlen_8_12),
> + cmocka_unit_test(test_vpd_eui_badlen_8_9),
> + cmocka_unit_test(test_vpd_eui_badlen_8_7),
> + cmocka_unit_test(test_vpd_eui_badlen_8_5),
> + cmocka_unit_test(test_vpd_eui_badlen_8_4),
> + cmocka_unit_test(test_vpd_eui_badlen_8_0),
> cmocka_unit_test(test_vpd_eui_12_32_0),
> cmocka_unit_test(test_vpd_eui_12_26_0),
> cmocka_unit_test(test_vpd_eui_12_25_0),
> cmocka_unit_test(test_vpd_eui_12_20_0),
> cmocka_unit_test(test_vpd_eui_12_10_0),
> + cmocka_unit_test(test_vpd_eui_badlen_12_12),
> + cmocka_unit_test(test_vpd_eui_badlen_12_16),
> + cmocka_unit_test(test_vpd_eui_badlen_12_13),
> + cmocka_unit_test(test_vpd_eui_badlen_12_11),
> + cmocka_unit_test(test_vpd_eui_badlen_12_9),
> + cmocka_unit_test(test_vpd_eui_badlen_12_8),
> + cmocka_unit_test(test_vpd_eui_badlen_12_7),
> + cmocka_unit_test(test_vpd_eui_badlen_12_0),
> cmocka_unit_test(test_vpd_eui_16_40_0),
> cmocka_unit_test(test_vpd_eui_16_34_0),
> cmocka_unit_test(test_vpd_eui_16_33_0),
> cmocka_unit_test(test_vpd_eui_16_20_0),
> + cmocka_unit_test(test_vpd_eui_badlen_16_16),
> + cmocka_unit_test(test_vpd_eui_badlen_16_17),
> + cmocka_unit_test(test_vpd_eui_badlen_16_15),
> + cmocka_unit_test(test_vpd_eui_badlen_16_13),
> + cmocka_unit_test(test_vpd_eui_badlen_16_12),
> + cmocka_unit_test(test_vpd_eui_badlen_16_11),
> + cmocka_unit_test(test_vpd_eui_badlen_16_8),
> + cmocka_unit_test(test_vpd_eui_badlen_16_7),
> + cmocka_unit_test(test_vpd_eui_badlen_16_0),
> cmocka_unit_test(test_vpd_naa_6_40),
> cmocka_unit_test(test_vpd_naa_6_34),
> cmocka_unit_test(test_vpd_naa_6_33),
> cmocka_unit_test(test_vpd_naa_6_32),
> cmocka_unit_test(test_vpd_naa_6_20),
> + cmocka_unit_test(test_vpd_naa_6_badlen_16),
> + cmocka_unit_test(test_vpd_naa_6_badlen_15),
> + cmocka_unit_test(test_vpd_naa_6_badlen_8),
> + cmocka_unit_test(test_vpd_naa_6_badlen_17),
> + cmocka_unit_test(test_vpd_naa_6_badlen_0),
> cmocka_unit_test(test_vpd_naa_5_20),
> cmocka_unit_test(test_vpd_naa_5_18),
> cmocka_unit_test(test_vpd_naa_5_17),
> cmocka_unit_test(test_vpd_naa_5_16),
> + cmocka_unit_test(test_vpd_naa_5_badlen_8),
> + cmocka_unit_test(test_vpd_naa_5_badlen_7),
> + cmocka_unit_test(test_vpd_naa_5_badlen_4),
> + cmocka_unit_test(test_vpd_naa_5_badlen_16),
> + cmocka_unit_test(test_vpd_naa_5_badlen_9),
> + cmocka_unit_test(test_vpd_naa_5_badlen_0),
> cmocka_unit_test(test_vpd_naa_3_20),
> cmocka_unit_test(test_vpd_naa_3_18),
> cmocka_unit_test(test_vpd_naa_3_17),
> --
> 2.33.1
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