From mboxrd@z Thu Jan  1 00:00:00 1970
From: AKASHI Takahiro <takahiro.akashi@linaro.org>
Date: Tue, 9 Jun 2020 10:42:14 +0900
Subject: [BUG] ut lib lib_rsa_verify_valid crashes on qemu_arm if
 RSA_VERIFY_WITH_PKEY=y
In-Reply-To: <d481c877-9a4c-9cea-2abc-5e226c3a31e5@gmx.de>
References: <d481c877-9a4c-9cea-2abc-5e226c3a31e5@gmx.de>
Message-ID: <20200609014214.GA19948@laputa>
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To: u-boot@lists.denx.de

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

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