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From: Daniel Wagner <wagi@monom.org>
To: connman@lists.linux.dev
Subject: Re: [PATCH v1 0/2] Fix -Werror=array-bounds errors
Date: Wed, 23 Jun 2021 09:38:59 +0200	[thread overview]
Message-ID: <20210623073859.lzf4xrhilu3maewi@beryllium.lan> (raw)
In-Reply-To: <20210622074933.5406-1-wagi@monom.org>

On Tue, Jun 22, 2021 at 09:49:31AM +0200, Daniel Wagner wrote:
> gcc complains with
> 
>   src/rtnl.c: In function ‘send_getlink’:
>   src/rtnl.c:1485:12: error: array subscript ‘struct rtnl_request[0]’ is partly outside array bounds of ‘unsigned char[17]’ [-Werror=array-bounds]
>    1485 |         req->hdr.nlmsg_len = RTNL_REQUEST_SIZE;
>         |            ^~
> 
> 
> The netlink helper 'struct rtnl_request' doesn't include any padding
> between header and message. This is wrong. Fix this by removing the
> helper structure and open code the message generation.

Patches applied

      parent reply	other threads:[~2021-06-23  7:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-22  7:49 [PATCH v1 0/2] Fix -Werror=array-bounds errors Daniel Wagner
2021-06-22  7:49 ` [PATCH v1 1/2] rtnl: Fix netlink message alignment Daniel Wagner
2021-06-22  7:49 ` [PATCH v1 2/2] vpn-rtnl: " Daniel Wagner
2021-06-23  7:38 ` Daniel Wagner [this message]

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