All of lore.kernel.org
 help / color / mirror / Atom feed
From: patchwork-bot+netdevbpf@kernel.org
To: Ilya Maximets <i.maximets@ovn.org>
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
	kuba@kernel.org, pabeni@redhat.com, horms@kernel.org,
	kees@kernel.org, gustavoars@kernel.org, nathan@kernel.org,
	nick.desaulniers+lkml@gmail.com, morbo@google.com,
	justinstitt@google.com, linux-kernel@vger.kernel.org,
	linux-hardening@vger.kernel.org, llvm@lists.linux.dev,
	write@ownrisk.dk
Subject: Re: [PATCH net] net: dst_metadata: fix false-positive memcpy overflow in tun_dst_unclone
Date: Sun, 21 Jun 2026 21:40:14 +0000	[thread overview]
Message-ID: <178207801400.510072.6522219475902983121.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260616100332.1308294-1-i.maximets@ovn.org>

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Tue, 16 Jun 2026 12:03:29 +0200 you wrote:
> kmalloc_flex() in metadata_dst_alloc() sets __counted_by for the
> structure to the options_len, which is then initialized to zero.
> Later, we're initializing the structure by copying the tunnel info
> together with the options, and this triggers a warning for a potential
> memcpy overflow, since the compiler estimates that the options can't
> fit into the structure, even though the memory for them is actually
> allocated.
> 
> [...]

Here is the summary with links:
  - [net] net: dst_metadata: fix false-positive memcpy overflow in tun_dst_unclone
    https://git.kernel.org/netdev/net/c/4c6d43db2a4d

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



      parent reply	other threads:[~2026-06-21 21:40 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-16 10:03 [PATCH net] net: dst_metadata: fix false-positive memcpy overflow in tun_dst_unclone Ilya Maximets
2026-06-17 20:08 ` Gustavo A. R. Silva
2026-06-17 22:01   ` Ilya Maximets
2026-06-17 22:59     ` Gustavo A. R. Silva
2026-06-18  4:02       ` Gustavo A. R. Silva
2026-06-19 22:58         ` Ilya Maximets
2026-06-18 11:43 ` Johan Thomsen
2026-06-19 22:59   ` Ilya Maximets
2026-06-21 21:40 ` 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=178207801400.510072.6522219475902983121.git-patchwork-notify@kernel.org \
    --to=patchwork-bot+netdevbpf@kernel.org \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=gustavoars@kernel.org \
    --cc=horms@kernel.org \
    --cc=i.maximets@ovn.org \
    --cc=justinstitt@google.com \
    --cc=kees@kernel.org \
    --cc=kuba@kernel.org \
    --cc=linux-hardening@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=llvm@lists.linux.dev \
    --cc=morbo@google.com \
    --cc=nathan@kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=nick.desaulniers+lkml@gmail.com \
    --cc=pabeni@redhat.com \
    --cc=write@ownrisk.dk \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.