From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49720 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753913AbcEOARL (ORCPT ); Sat, 14 May 2016 20:17:11 -0400 Subject: Patch "crypto: hash - Fix page length clamping in hash walk" has been added to the 4.4-stable tree To: herbert@gondor.apana.org.au, gregkh@linuxfoundation.org, steffen.klassert@secunet.com Cc: , From: Date: Sun, 15 May 2016 01:59:37 +0200 Message-ID: <146327037758150@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: This is a note to let you know that I've just added the patch titled crypto: hash - Fix page length clamping in hash walk to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: crypto-hash-fix-page-length-clamping-in-hash-walk.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 13f4bb78cf6a312bbdec367ba3da044b09bf0e29 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Wed, 4 May 2016 17:52:56 +0800 Subject: crypto: hash - Fix page length clamping in hash walk From: Herbert Xu commit 13f4bb78cf6a312bbdec367ba3da044b09bf0e29 upstream. The crypto hash walk code is broken when supplied with an offset greater than or equal to PAGE_SIZE. This patch fixes it by adjusting walk->pg and walk->offset when this happens. Reported-by: Steffen Klassert Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- crypto/ahash.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -69,8 +69,9 @@ static int hash_walk_new_entry(struct cr struct scatterlist *sg; sg = walk->sg; - walk->pg = sg_page(sg); walk->offset = sg->offset; + walk->pg = sg_page(walk->sg) + (walk->offset >> PAGE_SHIFT); + walk->offset = offset_in_page(walk->offset); walk->entrylen = sg->length; if (walk->entrylen > walk->total) Patches currently in stable-queue which might be from herbert@gondor.apana.org.au are queue-4.4/crypto-testmgr-use-kmalloc-memory-for-rsa-input.patch queue-4.4/crypto-qat-fix-invalid-pf2vf_resp_wq-logic.patch queue-4.4/crypto-hash-fix-page-length-clamping-in-hash-walk.patch