From: Jakub Kicinski <kuba@kernel.org>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH][next] net: inet_sock.h: Avoid thousands of -Wflex-array-member-not-at-end warnings
Date: Thu, 23 Oct 2025 17:25:18 -0700 [thread overview]
Message-ID: <20251023172518.3f370477@kernel.org> (raw)
In-Reply-To: <aPdx4iPK4-KIhjFq@kspp>
On Tue, 21 Oct 2025 12:43:30 +0100 Gustavo A. R. Silva wrote:
> struct ip_options_data {
> - struct ip_options_rcu opt;
> - char data[40];
> + TRAILING_OVERLAP(struct ip_options_rcu, opt, opt.__data,
> + char data[40];
> + );
> };
Is there a way to reserve space for flexible length array on the stack
without resorting to any magic macros? This struct has total of 5 users.
--
pw-bot: cr
next prev parent reply other threads:[~2025-10-24 0:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-21 11:43 [PATCH][next] net: inet_sock.h: Avoid thousands of -Wflex-array-member-not-at-end warnings Gustavo A. R. Silva
2025-10-21 15:58 ` Simon Horman
2025-10-24 0:25 ` Jakub Kicinski [this message]
2025-10-24 11:24 ` Gustavo A. R. Silva
2025-10-24 23:23 ` Jakub Kicinski
2025-11-18 4:36 ` Gustavo A. R. Silva
2025-11-18 20:27 ` Jakub Kicinski
2025-11-19 22:40 ` Kees Cook
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