tree edea525973c26e2d9eb81be1a21c789ae76d41d3
parent 49ca11d5806a5104ee30a465d848e551feec8a28
author Herbert Xu <herbert@gondor.apana.org.au> 1453113970 +0800
committer chrmhoffmann <chrmhoffmann@gmail.com> 1533372521 +0200

crypto: algif_skcipher - Load TX SG list after waiting

commit 4f0414e54e4d1893c6f08260693f8ef84c929293 upstream.

We need to load the TX SG list in sendmsg(2) after waiting for
incoming data, not before.

[connoro@google.com: backport to 3.18, where the relevant logic is
located in skcipher_recvmsg() rather than skcipher_recvmsg_sync()]

Change-Id: I5feed88aaec9b985573078e1911a757e44406dfe
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Connor O'Brien <connoro@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CVE-2017-13215
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
(cherry picked from commit 053c5efbe69a1f03fc886f706cda7122b3d14a88)