| commit | 6d4952d9d9d4dc2bb9c0255d95a09405a1e958f7 | [log] [tgz] |
|---|---|---|
| author | Andrew Lutomirski <luto@kernel.org> | Mon Oct 17 10:06:27 2016 -0700 |
| committer | Herbert Xu <herbert@gondor.apana.org.au> | Wed Oct 19 11:20:21 2016 +0800 |
| tree | de7c243da39513abf015bca7993dff3245467729 | |
| parent | 1001354ca34179f3db924eb66672442a173147dc [diff] |
hwrng: core - Don't use a stack buffer in add_early_randomness()
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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>