linux-hardening - Re: [PATCH v3][next] tty: tty_buffer: Avoid hundreds of -Wflex-array-member-not-at-end 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: <55e010d1-4f98-40f1-b009-78580f895b86@embeddedor.com>
Date: Tue, 11 Feb 2025 17:32:57 +1030
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Jiri Slaby <jirislaby@...nel.org>,
 "Gustavo A. R. Silva" <gustavoars@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
 linux-hardening@...r.kernel.org
Subject: Re: [PATCH v3][next] tty: tty_buffer: Avoid hundreds of
 -Wflex-array-member-not-at-end warnings




> 
>> @@ -576,11 +579,14 @@ int tty_insert_flip_string_and_push_buffer(struct tty_port *port,
>>   void tty_buffer_init(struct tty_port *port)
>>   {
>>       struct tty_bufhead *buf = &port->buf;
>> +    struct tty_buffer *buf_sentinel;
>> +
>> +    buf_sentinel = container_of(&buf->sentinel, struct tty_buffer, hdr);
> 
> Bah, so this is ugly and even dangerous if someone adds a member to tty_buffer outside _hdr.
> 
> We should link headers in the list, it appears.

What should that patch look like?

--
Gustavo