linux-kernel - Re: [PATCH] netfilter: ebtables: fix fortify warnings

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: <5095df45-c7bf-9040-1720-09a562b8714a@huaweicloud.com>
Date:   Wed, 9 Aug 2023 11:05:49 +0800
From:   "GONG, Ruiqi" <gongruiqi@...weicloud.com>
To:     Florian Westphal <fw@...len.de>
Cc:     Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...filter.org>,
        Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Kees Cook <keescook@...omium.org>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-hardening@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Wang Weiyang <wangweiyang2@...wei.com>,
        Xiu Jianfeng <xiujianfeng@...wei.com>
Subject: Re: [PATCH] netfilter: ebtables: fix fortify warnings


On 2023/08/08 23:54, Florian Westphal wrote:
> 
> [...]
>>
>> diff --git a/include/uapi/linux/netfilter_bridge/ebtables.h b/include/uapi/linux/netfilter_bridge/ebtables.h
>> index a494cf43a755..e634da196d08 100644
>> --- a/include/uapi/linux/netfilter_bridge/ebtables.h
>> +++ b/include/uapi/linux/netfilter_bridge/ebtables.h
>> @@ -182,12 +182,14 @@ struct ebt_entry {
>>  	unsigned char sourcemsk[ETH_ALEN];
>>  	unsigned char destmac[ETH_ALEN];
>>  	unsigned char destmsk[ETH_ALEN];
>> -	/* sizeof ebt_entry + matches */
>> -	unsigned int watchers_offset;
>> -	/* sizeof ebt_entry + matches + watchers */
>> -	unsigned int target_offset;
>> -	/* sizeof ebt_entry + matches + watchers + target */
>> -	unsigned int next_offset;
>> +	struct_group(offsets,
>> +		/* sizeof ebt_entry + matches */
> 
> This is an UAPI header, I think you need to use __struct_group here.

Thanks for the reminder! I've fixed it in v2:

https://lore.kernel.org/all/20230808133038.771316-1-gongruiqi@huaweicloud.com/

Please review it :)