From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33363 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750961AbcEBACn (ORCPT ); Sun, 1 May 2016 20:02:43 -0400 Subject: Patch "IB/core: Fix oops in ib_cache_gid_set_default_gid" has been added to the 4.5-stable tree To: dledford@redhat.com, gregkh@linuxfoundation.org Cc: , From: Date: Sun, 01 May 2016 17:02:41 -0700 Message-ID: <1462147361245253@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 IB/core: Fix oops in ib_cache_gid_set_default_gid to the 4.5-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: ib-core-fix-oops-in-ib_cache_gid_set_default_gid.patch and it can be found in the queue-4.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From f4e7de63ab273b6a5e35c82eb4fc6363c855ddd4 Mon Sep 17 00:00:00 2001 From: Doug Ledford Date: Fri, 22 Apr 2016 20:14:58 -0400 Subject: IB/core: Fix oops in ib_cache_gid_set_default_gid From: Doug Ledford commit f4e7de63ab273b6a5e35c82eb4fc6363c855ddd4 upstream. When we fail to find the default gid index, we can't continue processing in this routine or else we will pass a negative index to later routines resulting in invalid memory access attempts and a kernel oops. Fixes: 03db3a2d81e6 (IB/core: Add RoCE GID table management) Signed-off-by: Doug Ledford Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/core/cache.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -691,7 +691,8 @@ void ib_cache_gid_set_default_gid(struct NULL); /* Coudn't find default GID location */ - WARN_ON(ix < 0); + if (WARN_ON(ix < 0)) + goto release; zattr_type.gid_type = gid_type; Patches currently in stable-queue which might be from dledford@redhat.com are queue-4.5/ib-core-fix-oops-in-ib_cache_gid_set_default_gid.patch queue-4.5/ib-security-restrict-use-of-the-write-interface.patch queue-4.5/ib-mlx5-expose-correct-max_sge_rd-limit.patch