linux-kernel - [PATCH v7 03/14] arm64/numa: add nid check for memory block

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 24 Aug 2016 15:44:42 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Frank Rowand" <frowand.list@...il.com>,
        devicetree <devicetree@...r.kernel.org>
CC:     Zefan Li <lizefan@...wei.com>, Xinwei Hu <huxinwei@...wei.com>,
        "Tianhong Ding" <dingtianhong@...wei.com>,
        Hanjun Guo <guohanjun@...wei.com>,
        Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH v7 03/14] arm64/numa: add nid check for memory block

Use the same tactic to cpu and numa-distance nodes.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 drivers/of/of_numa.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index 7b3fbdc..afaeb9c 100644
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -75,6 +75,11 @@ static int __init of_numa_parse_memory_nodes(void)
 			 */
 			continue;

+		if (nid >= MAX_NUMNODES) {
+			pr_warn("NUMA: Node id %u exceeds maximum value\n", nid);
+			return -EINVAL;
+		}
+
 		for (i = 0; !r && !of_address_to_resource(np, i, &rsrc); i++)
 			r = numa_add_memblk(nid, rsrc.start, rsrc.end + 1);

--
2.5.0