[BUG] ut lib lib_rsa_verify_valid crashes on qemu_arm if RSA_VERIFY_WITH_PKEY=y

Heinrich Schuchardt
2020-06-09T03:54:44Z

Am June 9, 2020 1:42:14 AM UTC schrieb AKASHI Takahiro <takahiro.akashi@linaro.org>:
>Heinrich,
>
>On Mon, Jun 08, 2020 at 11:08:53PM +0200, Heinrich Schuchardt wrote:
>> Hello Takahiro,
>>
>> when trying to execute command
>>
>> ut lib lib_rsa_verify_valid
>>
>> on qemu_arm_defconfig with CONFIG_UNIT_TEST=y and
>> CONFIG_RSA_VERIFY_WITH_PKEY=y it crashes in
>>
>> free((void *)prop->modulus) called from
>> rsa_free_key_prop() called from
>> rsa_verify_key() called from
>> rsa_verify_with_pkey().
>>
>> Without CONFIG_RSA_VERIFY_WITH_PKEY=y the problem does not occur.
>> On qemu_arm64_defconfig the problem does not occur.
>
>I can't reproduce your problem on v2020.07-rc4 exactly with
>qemu_arm64_defconfig + PKEY=y:
>
>U-Boot 2020.07-rc4-dirty (Jun 09 2020 - 10:33:30 +0900)
>
>...
>
>=> ut lib
>Running 11 lib tests
>Test: lib_asn1_pkcs7
>Test: lib_asn1_pkey
>Test: lib_asn1_x509
>Test: lib_memcpy
>Test: lib_memmove
>Test: lib_memset
>Test: lib_rsa_verify_invalid
>Test: lib_rsa_verify_valid
>Test: lib_test_bin2hex
>Test: lib_test_hex2bin
>Test: lib_test_hex_to_bin
>Failures: 0
>
>
>-Takahiro Akashi

As said I only see the problem with 32 bit qemu_arm_defconfig.

Best regards

Heinrich

>
>> Could you, please, have a look.
>>
>> Best regards
>>
>> Heinrich