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crypto: rng - Zero seed in crypto_rng_reset
authorHerbert Xu <herbert@gondor.apana.org.au>
Tue, 21 Apr 2015 02:46:49 +0000 (10:46 +0800)
committerJack Vogel <jack.vogel@oracle.com>
Thu, 5 Apr 2018 20:09:13 +0000 (13:09 -0700)
commit5e84c99f68ec9d52f8dbce462f03e98b70764274
tree5211cdc5c5fae227d857ade1f815a5819ccade73tree
parenta562c550a7cdc43e0af895bad008b11c304a448fcommit | diff
crypto: rng - Zero seed in crypto_rng_reset

If we allocate a seed on behalf ot the user in crypto_rng_reset,
we must ensure that it is zeroed afterwards or the RNG may be
compromised.

Reported-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit b617b702da4e922277806f81c411d3051107d462)

Orabug: 27809271

Signed-off-by: John Haxby <john.haxby@oracle.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
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