bpf.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: patchwork-bot+netdevbpf@kernel.org
To: Kees Cook <keescook@chromium.org>
Cc: ast@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com,
	andrii@kernel.org, martin.lau@linux.dev, song@kernel.org,
	yhs@fb.com, kpsingh@kernel.org, sdf@google.com,
	haoluo@google.com, jolsa@kernel.org, gustavoars@kernel.org,
	bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-hardening@vger.kernel.org
Subject: Re: [PATCH] bpf: Replace 0-length arrays with flexible arrays
Date: Tue, 10 Jan 2023 22:50:15 +0000	[thread overview]
Message-ID: <167339101599.28902.5327791124067545987.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20230105192646.never.154-kees@kernel.org>

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Thu,  5 Jan 2023 11:26:47 -0800 you wrote:
> Zero-length arrays are deprecated[1]. Replace struct bpf_array's
> union of 0-length arrays with flexible arrays. (How are the
> sizes of these arrays verified?) Detected with GCC 13, using
> -fstrict-flex-arrays=3:
> 
> arch/x86/net/bpf_jit_comp.c: In function 'bpf_tail_call_direct_fixup':
> arch/x86/net/bpf_jit_comp.c:606:37: warning: array subscript <unknown> is outside array bounds of 'void *[0]' [-Warray-bounds=]
>   606 |                 target = array->ptrs[poke->tail_call.key];
>       |                          ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
> In file included from include/linux/filter.h:9,
>                  from arch/x86/net/bpf_jit_comp.c:9:
> include/linux/bpf.h:1527:23: note: while referencing 'ptrs'
>  1527 |                 void *ptrs[0] __aligned(8);
>       |                       ^~~~
> 
> [...]

Here is the summary with links:
  - bpf: Replace 0-length arrays with flexible arrays
    https://git.kernel.org/bpf/bpf-next/c/129d868ede1e

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2023-01-10 22:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-05 19:26 [PATCH] bpf: Replace 0-length arrays with flexible arrays Kees Cook
2023-01-05 19:56 ` Stanislav Fomichev
2023-01-10 22:50 ` patchwork-bot+netdevbpf [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=167339101599.28902.5327791124067545987.git-patchwork-notify@kernel.org \
    --to=patchwork-bot+netdevbpf@kernel.org \
    --cc=andrii@kernel.org \
    --cc=ast@kernel.org \
    --cc=bpf@vger.kernel.org \
    --cc=daniel@iogearbox.net \
    --cc=gustavoars@kernel.org \
    --cc=haoluo@google.com \
    --cc=john.fastabend@gmail.com \
    --cc=jolsa@kernel.org \
    --cc=keescook@chromium.org \
    --cc=kpsingh@kernel.org \
    --cc=linux-hardening@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=martin.lau@linux.dev \
    --cc=sdf@google.com \
    --cc=song@kernel.org \
    --cc=yhs@fb.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).