Re: [PATCH resend 4.9] hw_random: Don't use a stack buffer in add_early_randomness()

From: Herbert Xu
Date: Tue Oct 18 2016 - 23:50:29 EST


On Mon, Oct 17, 2016 at 10:06:27AM -0700, Andy Lutomirski wrote:
> hw_random carefully avoids using a stack buffer except in
> add_early_randomness(). This causes a crash in virtio_rng if
> CONFIG_VMAP_STACK=y.
>
> Reported-by: Matt Mullins <mmullins@xxxxxxx>
> Tested-by: Matt Mullins <mmullins@xxxxxxx>
> Fixes: d3cc7996473a ("hwrng: fetch randomness only after device init")
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>

Patch applied. Thanks.
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