Re: [PATCH] random: zero buffer after reading secret entropy from userspace

From: Dominik Brodowski
Date: Wed Feb 09 2022 - 13:59:13 EST


Am Wed, Feb 09, 2022 at 06:44:56PM +0100 schrieb Jason A. Donenfeld:
> This buffer may contain entropic data that shouldn't stick around longer
> than needed, zero it out our temporary buffer at the end of
> write_pool().
>
> Cc: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
> Cc: Jann Horn <jannh@xxxxxxxxxx>
> Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>

Reviewed-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>

Thanks,
Dominik