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SubjectRe: [security] d3b04a4398: WARNING:at_crypto/kdf_sp800108.c:#crypto_kdf108_init
Date
Am Dienstag, 30. November 2021, 09:04:19 CET schrieb kernel test robot:

Hi,

...
>
>
> +------------------------------------------------------+------------+-------
> -----+
> | | d792134423 |
> | | d3b04a4398 |
>
> +------------------------------------------------------+------------+-------
> -----+
> | boot_successes | 14 | 0
> | | boot_failures | 0 |
> | 16 | WARNING:at_crypto/kdf_sp800108.c:#crypto_kdf108_init | 0
> | | 16 | EIP:crypto_kdf108_init
> | | 0 | 16 |
> +------------------------------------------------------+------------+-------
> -----+
>
>
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <oliver.sang@intel.com>
>
>
> [ 18.648980][ T1] WARNING: CPU: 0 PID: 1 at crypto/kdf_sp800108.c:138
> crypto_kdf108_init (crypto/kdf_sp800108.c:136) [ 18.649900][ T1]
> Modules linked in:

The issue is that the self-test fails for 16 out of 30 times, i.e. it is kind
of random when it happens or not.

I am unable to reproduce it with i386 and clang-13. I can also not reproduce
it with GCC.

Nor do I see an obvious issue in the code that points to either uninitizlized
memory or otherwise could affect the test result.

I keep trying with Clang-14


Ciao
Stephan


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