From: Herbert Xu <herbert@gondor.apana.org.au>
Subject: Re: [PATCH resend 4.9] hw_random: Don't use a stack buffer in
 add_early_randomness()
Date: Wed, 19 Oct 2016 11:50:12 +0800
Message-ID: <20161019035012.GA2192@gondor.apana.org.au>
References: <4169224b6858d1cf149f1a73f8a03603fa19076d.1476638125.git.luto@kernel.org>
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        Matt Mackall <mpm@selenic.com>,
        Rusty Russell <rusty@rustcorp.com.au>,
        Jens Axboe <axboe@fb.com>, Matt Mullins <mmullins@mmlx.us>
To: Andy Lutomirski <luto@kernel.org>
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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@mmlx.us>
> Tested-by: Matt Mullins <mmullins@mmlx.us>
> Fixes: d3cc7996473a ("hwrng: fetch randomness only after device init")
> Signed-off-by: Andy Lutomirski <luto@kernel.org>

Patch applied.  Thanks.
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Email: Herbert Xu <herbert@gondor.apana.org.au>
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