From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out1-smtp.messagingengine.com ([66.111.4.25]:49092 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751399AbcBNVth (ORCPT ); Sun, 14 Feb 2016 16:49:37 -0500 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 7E16720363 for ; Sun, 14 Feb 2016 16:49:36 -0500 (EST) Subject: FAILED: patch "[PATCH] crypto: algif_skcipher - Load TX SG list after waiting" failed to apply to 3.10-stable tree To: herbert@gondor.apana.org.au, dvyukov@google.com Cc: From: Date: Sun, 14 Feb 2016 13:49:35 -0800 Message-ID: <145548657518713@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: The patch below does not apply to the 3.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >>From 4f0414e54e4d1893c6f08260693f8ef84c929293 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Mon, 18 Jan 2016 18:46:10 +0800 Subject: [PATCH] crypto: algif_skcipher - Load TX SG list after waiting We need to load the TX SG list in sendmsg(2) after waiting for incoming data, not before. Cc: stable@vger.kernel.org Reported-by: Dmitry Vyukov Signed-off-by: Herbert Xu Tested-by: Dmitry Vyukov diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index dfff8b0b56df..df86fb47c3ae 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -647,13 +647,6 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg, lock_sock(sk); while (msg_data_left(msg)) { - sgl = list_first_entry(&ctx->tsgl, - struct skcipher_sg_list, list); - sg = sgl->sg; - - while (!sg->length) - sg++; - if (!ctx->used) { err = skcipher_wait_for_data(sk, flags); if (err) @@ -674,6 +667,13 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg, if (!used) goto free; + sgl = list_first_entry(&ctx->tsgl, + struct skcipher_sg_list, list); + sg = sgl->sg; + + while (!sg->length) + sg++; + skcipher_request_set_crypt(&ctx->req, sg, ctx->rsgl.sg, used, ctx->iv);