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 61FEE316904; Tue, 10 Feb 2026 10:40:10 +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=1770720010; cv=none; b=GRE2RW482nSItEAPzi4gJSllhfejwk/EtZFMT7uBU8E974cx56ciUsfnr+kAsPYtObyUDCwqLzt7lbZDf82srKiZptR7/+ETWbIrygk61jpf3twQVfgegScgSRLvo9lutaMGPzpcSWZcHwPM/ICF/5hko5rIHy1aqbdkxvtQQqM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770720010; c=relaxed/simple; bh=FIv+tmEXWh9/H5O+J8eYReExCUXlQVL0LHvRMPQcucQ=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=nn7a73z65kRemc49IGo3bcSSO/u82pV8/SLAHHUb7/aUPdQZR9YqbaX8cLoF4NAyOhIMKwUGoTi3ZrAVRFiIccpO9Jo3PIXI0bRg+D2SIIO5rhApQm2TtxC2EuP3Sj6NstuFIW1KD3l3nOMtLPKzJ7+f/AdbuFFzMy4CtsPkn9A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qy3aLxez; 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="qy3aLxez" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D8B9FC116C6; Tue, 10 Feb 2026 10:40:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770720009; bh=FIv+tmEXWh9/H5O+J8eYReExCUXlQVL0LHvRMPQcucQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=qy3aLxezN9koXDlD36Ev/BeXdS7s0wRDfW/jsbhhUVGCj+xe5E7JL2NPFDP+kepVO wtILpau2nav3Jfy87D5sQVFPURKTqRLLVKCXeZvm9PSOgl0IWaRyB9C4LAU/gAUF/S eK88lPNRxCyANoftUcX3RXJSsLq3cZ0ozDSvOg2XhcmXOIn9JX2PFSvL9vzYA3nL4c azAuzLoIvv//Wc5ruMqeWh5xfbj639NizTCak14q5wMNeKz0WMA5wQx19V0QxNZUVG Ow5TiysFr8XsEmRLfLam8SiIyFhhNj486L0JVSd+jmUbaa+0vsdFW1Eeyu/HCRQISO nLB4vdPO0mk2A== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 850FD39B167A; Tue, 10 Feb 2026 10:40:06 +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 v1] net: atm: fix crash due to unvalidated vcc pointer in sigd_send() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177072000533.3455745.207010128594113653.git-patchwork-notify@kernel.org> Date: Tue, 10 Feb 2026 10:40:05 +0000 References: <20260205095501.131890-1-jiayuan.chen@linux.dev> In-Reply-To: <20260205095501.131890-1-jiayuan.chen@linux.dev> To: Jiayuan Chen Cc: netdev@vger.kernel.org, jiayuan.chen@shopee.com, syzbot+1f22cb1769f249df9fa0@syzkaller.appspotmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Thu, 5 Feb 2026 17:54:51 +0800 you wrote: > From: Jiayuan Chen > > Reproducer available at [1]. > > The ATM send path (sendmsg -> vcc_sendmsg -> sigd_send) reads the vcc > pointer from msg->vcc and uses it directly without any validation. This > pointer comes from userspace via sendmsg() and can be arbitrarily forged: > > [...] Here is the summary with links: - [net,v1] net: atm: fix crash due to unvalidated vcc pointer in sigd_send() https://git.kernel.org/netdev/net/c/ae88a5d2f29b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html