net: tls: Save iv in tls_rec for async crypto requests

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[ Upstream commit 32eb67b93c ]

aead_request_set_crypt takes an iv pointer, and we change the iv
soon after setting it.  Some async crypto algorithms don't save the iv,
so we need to save it in the tls_rec for async requests.

Found by hardcoding x64 aesni to use async crypto manager (to test the async
codepath), however I don't think this combination can happen in the wild.
Presumably other hardware offloads will need this fix, but there have been
no user reports.

Fixes: a42055e8d2 ("Add support for async encryption of records...")
Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Dave Watson 2019-01-27 00:57:38 +00:00 • committed by Greg Kroah-Hartman

parent 2c293753e4

commit cb77e08da8

2 changed files with 5 additions and 1 deletions

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2

include/net/tls.h

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4

net/tls/tls_sw.c

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