From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4604036921B; Thu, 28 May 2026 22:10:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780006255; cv=none; b=R1NAaQRyhClTkVqdeyC7Uzx5qT6MdgvE3W5WNKQyjVVZyEjbEXngOb6gJrPFuy2uVIRwze+R97yF4cT1pYpCln+qQOzHLza6Nbt5PAk8tbSj6lVc9etP6CA23w0As9lSGbv3LYdl08HIYau2TVUMe+yD7KK3RtdFx1u8X/zwYBU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780006255; c=relaxed/simple; bh=MJauyLPrVOjMmdZZN3XBhbIELzrdJUSo7zqyIvmbsJI=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=bl7/b/2VCL0gow08uT1pONkZgyYFv7fSehUwIPN7FGu2QCWvVcp+HySRilUrWhnexYuS3KZiHPFrZJbg5VLJoGeeic4FgxPT6ywH5E/Dwp1MDgMMmtYAK0qDY7kDaSMyRgJhpAspuh0hBzskOcgOwDQQcIjMweXaZRRXf0DFd68= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VXX5xbKA; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VXX5xbKA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A69F1F000E9; Thu, 28 May 2026 22:10:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780006253; bh=MihBZLmSF5hf5EffR//CvVrqExmU2M8+W8fSnVreuok=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=VXX5xbKA4r1zdkmqIxdJtFVukUE90VmHw0fekU2gVd1+ejfe9g6Dh7hGr+LUmyehY dSSkEnumE3QcVg0jn4lLGq615aVBcidIYrtxaDIymiFdm5iSIt20Y0vEqo7E/0q1pu rwWgEve2ZL9SXpaeJeeRAZca4Fdwbknsfu6d4C0KvhBiuapT35rtFqDMCaxeSYQ+QY peJCAO3XkGWH1sKpI589G+k3NqQFl1eUyPNJPnHbHE3XOftAZw5SLUGo73vAT6Lcv3 M9Zji6Pd+F8upcQB8FUwksPSY2SODoZP1HXqPRN7EVi5IDtdCYMhapF4oVgdeq6liM 9oK7e81lvxD0g== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 93AC73811977; Thu, 28 May 2026 22:10:58 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH RESEND net] Revert "vsock/virtio: fix skb overhead overflow on 32-bit builds" From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178000625714.1533055.10719008699075181524.git-patchwork-notify@kernel.org> Date: Thu, 28 May 2026 22:10:57 +0000 References: <20260527171046.130211-1-sgarzare@redhat.com> In-Reply-To: <20260527171046.130211-1-sgarzare@redhat.com> To: Stefano Garzarella Cc: netdev@vger.kernel.org, davem@davemloft.net, eperezma@redhat.com, virtualization@lists.linux.dev, kuba@kernel.org, linux-kernel@vger.kernel.org, xuanzhuo@linux.alibaba.com, mst@redhat.com, kvm@vger.kernel.org, pabeni@redhat.com, jasowang@redhat.com, horms@kernel.org, stefanha@redhat.com, edumazet@google.com, david.laight.linux@gmail.com Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Wed, 27 May 2026 19:10:46 +0200 you wrote: > From: Stefano Garzarella > > This reverts commit 4157501b9a8f ("vsock/virtio: fix skb overhead > overflow on 32-bit builds"). The fix was semantically correct (although > it would have been better to use mul_u32_u32(), as David pointed out), > but in practice we are estimating the memory used to allocate the SKBs, > and this will never cause a 32-bit variable to overflow on a 32-bit > system, since the memory would have run out long before that. On 64-bit, > SKB_TRUESIZE() already evaluates to size_t, so the multiplication is > already in 64-bit arithmetic without the cast. > > [...] Here is the summary with links: - [RESEND,net] Revert "vsock/virtio: fix skb overhead overflow on 32-bit builds" https://git.kernel.org/netdev/net-next/c/e03f0b53b4bd You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html