From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:57066 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751379AbeCLPmd (ORCPT ); Mon, 12 Mar 2018 11:42:33 -0400 Subject: Patch "MIPS: OCTEON: irq: Check for null return on kzalloc allocation" has been added to the 4.14-stable tree To: colin.king@canonical.com, Steven.Hill@cavium.com, david.daney@cavium.com, gregkh@linuxfoundation.org, jhogan@kernel.org, ralf@linux-mips.org, stable@vger.kernel.org Cc: , From: Date: Mon, 12 Mar 2018 16:41:46 +0100 Message-ID: <152086930698177@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 MIPS: OCTEON: irq: Check for null return on kzalloc allocation to the 4.14-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: mips-octeon-irq-check-for-null-return-on-kzalloc-allocation.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 902f4d067a50ccf645a58dd5fb1d113b6e0f9b5b Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Thu, 22 Feb 2018 18:08:53 +0000 Subject: MIPS: OCTEON: irq: Check for null return on kzalloc allocation From: Colin Ian King commit 902f4d067a50ccf645a58dd5fb1d113b6e0f9b5b upstream. The allocation of host_data is not null checked, leading to a null pointer dereference if the allocation fails. Fix this by adding a null check and return with -ENOMEM. Fixes: 64b139f97c01 ("MIPS: OCTEON: irq: add CIB and other fixes") Signed-off-by: Colin Ian King Acked-by: David Daney Cc: Ralf Baechle Cc: "Steven J. Hill" Cc: linux-mips@linux-mips.org Cc: # 4.0+ Patchwork: https://patchwork.linux-mips.org/patch/18658/ Signed-off-by: James Hogan Signed-off-by: Greg Kroah-Hartman --- arch/mips/cavium-octeon/octeon-irq.c | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -2277,6 +2277,8 @@ static int __init octeon_irq_init_cib(st } host_data = kzalloc(sizeof(*host_data), GFP_KERNEL); + if (!host_data) + return -ENOMEM; raw_spin_lock_init(&host_data->lock); addr = of_get_address(ciu_node, 0, NULL, NULL); Patches currently in stable-queue which might be from colin.king@canonical.com are queue-4.14/mips-ath25-check-for-kzalloc-allocation-failure.patch queue-4.14/mips-octeon-irq-check-for-null-return-on-kzalloc-allocation.patch