From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D3DA228727D; Tue, 31 Mar 2026 00:40:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774917623; cv=none; b=dS0KJNHjh38+h66zaCxBjJvYU5avjWYRITkzOFZCbdqnauSMXU6ChC/tSEtw8PWdKrd2iBeEViM0R4msnB7wdsEP+IVrSvSXDTBfJX+Oik/osjtcE+pp2Q96ovt9bAD7V1ecCq80IpyntFRN0b9SLP4DaNrM+4o3zWYTE8ewa1s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774917623; c=relaxed/simple; bh=YP3+hNUq+Nu+rrNQH3mxpsUfk41MmwADEDI/aTwd2vo=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=GVQ6iDPOQKx2K/8Pmmdo+P23OxjEWizDFFuMuKS9wjoKn+dxWvLnWPlm3dbJVoI3HOgkC9ieRZN08ShRFpzBYKHwxQSWP+yR6L7uvWGC08edMlqx2I7Tk9aeQ/7NTV0dIgsTrYl32gLqh/d18Xnzn3gZ+KD/YPycxm/gbAB5uIA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s/Q0c2Ba; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="s/Q0c2Ba" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 98890C4CEF7; Tue, 31 Mar 2026 00:40:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774917623; bh=YP3+hNUq+Nu+rrNQH3mxpsUfk41MmwADEDI/aTwd2vo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=s/Q0c2BabcpahstSseJGDP7oiCxSbsNWvtobCbZpFLHweUlgMK4sOBIWFXkerPwAw i+6fX7jF4sllaqaEC6nqwfJDyTZCejBqJ+wQ9PhNwbM2GLt8z2CoEI2EJRxkZKgJmt v7R0P4FERfPn87+5b4fp9VHu5rMdDc/aWj4O3OiNhQ9QCqRzdTvjXglhocM9dh15Zt AXURgamUa7nKE93dsIcPfOqm7RSJLM9WLPT9aPNPSzGy3Qc67URO/3gHrZ/8evnPND 93Ary04ptadl7B25+Chgv7S9hc/CEzYaO8fEkEHLIVO4ylIoRWeJ3T7eIvGP74AclL cylclgbbFOtLg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id B9E2D392FF85; Tue, 31 Mar 2026 00:40:08 +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 net v7] net: use skb_header_pointer() for TCPv4 GSO frag_off check From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177491760753.2032642.18276185751372950060.git-patchwork-notify@kernel.org> Date: Tue, 31 Mar 2026 00:40:07 +0000 References: <20260327153507.39742-1-yss2813483011xxl@gmail.com> In-Reply-To: <20260327153507.39742-1-yss2813483011xxl@gmail.com> To: Guoyu Su Cc: edumazet@google.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, willemdebruijn.kernel@gmail.com, netdev@vger.kernel.org, horms@kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, syzbot+1543a7d954d9c6d00407@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 27 Mar 2026 23:35:07 +0800 you wrote: > Syzbot reported a KMSAN uninit-value warning in gso_features_check() > called from netif_skb_features() [1]. > > gso_features_check() reads iph->frag_off to decide whether to clear > mangleid_features. Accessing the IPv4 header via ip_hdr()/inner_ip_hdr() > can rely on skb header offsets that are not always safe for direct > dereference on packets injected from PF_PACKET paths. > > [...] Here is the summary with links: - [net,v7] net: use skb_header_pointer() for TCPv4 GSO frag_off check https://git.kernel.org/netdev/net/c/ddc748a391dd You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html