From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:58060 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965463AbeAMJxu (ORCPT ); Sat, 13 Jan 2018 04:53:50 -0500 Subject: Patch "RDS: null pointer dereference in rds_atomic_free_op" has been added to the 4.9-stable tree To: simo.ghannam@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, santosh.shilimkar@oracle.com Cc: , From: Date: Sat, 13 Jan 2018 10:53:25 +0100 Message-ID: <1515837205209237@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 RDS: null pointer dereference in rds_atomic_free_op to the 4.9-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: rds-null-pointer-dereference-in-rds_atomic_free_op.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Sat Jan 13 10:51:19 CET 2018 From: Mohamed Ghannam Date: Wed, 3 Jan 2018 21:06:06 +0000 Subject: RDS: null pointer dereference in rds_atomic_free_op From: Mohamed Ghannam [ Upstream commit 7d11f77f84b27cef452cee332f4e469503084737 ] set rm->atomic.op_active to 0 when rds_pin_pages() fails or the user supplied address is invalid, this prevents a NULL pointer usage in rds_atomic_free_op() Signed-off-by: Mohamed Ghannam Acked-by: Santosh Shilimkar Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/rds/rdma.c | 1 + 1 file changed, 1 insertion(+) --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -876,6 +876,7 @@ int rds_cmsg_atomic(struct rds_sock *rs, err: if (page) put_page(page); + rm->atomic.op_active = 0; kfree(rm->atomic.op_notifier); return ret; Patches currently in stable-queue which might be from simo.ghannam@gmail.com are queue-4.9/rds-null-pointer-dereference-in-rds_atomic_free_op.patch queue-4.9/rds-heap-oob-write-in-rds_message_alloc_sgs.patch