netdev - Re: [PATCH] neighbour: Fix __randomize_layout crash in struct neighbour

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] [day] [month] [year] [list]

Message-ID: <a1656a7c-7eb0-4a21-8c49-89014beeb7ed@embeddedor.com>
Date: Tue, 28 Nov 2023 14:12:08 -0600
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Joey Gouly <joey.gouly@....com>,
 "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Bill Wendling <morbo@...gle.com>,
 Kees Cook <keescook@...omium.org>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] neighbour: Fix __randomize_layout crash in struct
 neighbour

>> diff --git a/include/net/neighbour.h b/include/net/neighbour.h
>> index 07022bb0d44d..0d28172193fa 100644
>> --- a/include/net/neighbour.h
>> +++ b/include/net/neighbour.h
>> @@ -162,7 +162,7 @@ struct neighbour {
>>   	struct rcu_head		rcu;
>>   	struct net_device	*dev;
>>   	netdevice_tracker	dev_tracker;
>> -	u8			primary_key[0];
>> +	u8			primary_key[];
>>   } __randomize_layout;
>>   
>>   struct neigh_ops {
> 
> Fixes the crash for me!

Awesome. :)

--
Gustavo