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(parent: 7560c0a) | patch
crypto: ccree - don't map MAC key on stack
authorGilad Ben-Yossef <gilad@benyossef.com>
Thu, 18 Apr 2019 13:39:04 +0000 (16:39 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 May 2019 05:37:39 +0000 (07:37 +0200)
commit766121a0a798d62a57b265ae3253508ba8d79a10
tree18c9eb2ac0554afabaf10029b6415b126947d35etree | snapshot
parent7560c0adad344a4834e2a8e809b6d671d199f0f0commit | diff
crypto: ccree - don't map MAC key on stack

commit 874e163759f27e0a9988c5d1f4605e3f25564fd2 upstream.

The MAC hash key might be passed to us on stack. Copy it to
a slab buffer before mapping to gurantee proper DMA mapping.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/crypto/ccree/cc_hash.c diff | blob | history
Domain: System / Kernel;