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 D40E93CCFAF; Mon, 31 Aug 2026 23:01:03 +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=1788217266; cv=none; b=MiaCJdJvAoXyXr/qsjck0IvU6jGhIeB36WKV11r2+N6atJ6qkk3UKRpc/psd6B2TgXNr1ZLkxFcS1Ttf9e32WxJodCKvJ7U3OykpQK0dOhzNCSXldwz0APngJ1OtwRLHR/vJXI8Mylz9vWCf2jeuCaa8QhL76WTUGR/TBwgNgJo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788217266; c=relaxed/simple; bh=WowIQvha/ugYa7HKZ2uSPYoLHw5bqGE5fVHfqxYyb8A=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=ZpqBLB9Jr6bJH2d/XQ21k/VT/tbt1KpErfgqrb9SRH7YvlI0JPXUnD2nACiUeM3vROwuXPqhj2ix54n96tQ3IN9YSSoANWTu8WKCJBr6nEU7eHMJ/YlkxKhrIecDmYWhp2XG/kXj5Q35oAjq6T5Nwsc5QjVKcJGniOjCy2dQ1BA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GMcajyzk; 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="GMcajyzk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3E9E1F000E9; Mon, 31 Aug 2026 23:01:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788217263; bh=V3LhBL3GC770wSMu1d/5OJgV4ZFsOyL8kra6Xssw91A=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=GMcajyzkUOYkmHZJYaRxUrTcO/NajzbfhWfvJRBLea3ycPhIhagBIWxvM0DWRYceB vqgwS748txojEwiZXV5NN4YEnXtR+o57j1Z075Ypl+D3ZHAIIdnHUrpc9i+ELJMG3B KEVxCRgR+G0h6QtcTDQiWa6cA5ZnIaL89MgoW88c4NOMbUP9h4LMkrMtF9qfyXAvdM vz6gaIMpGV204xmP4w6iMWerx746Vw1K7z31Itd1jtG2BUzt8byLyV5C6SQVT996NL gZJ3wrY1seTvFeEK7FOqNC3+bIyVa1kO4VUwM+dAMvVUJC4wexlJ7l1R3uEVpdB/+U 4LV0GzHFmnRQQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 1987F3924471; Mon, 31 Aug 2026 23:00:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v3] net/iucv: fix the recvmsg window update From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178821720568.820683.16551074706319520837.git-patchwork-notify@kernel.org> Date: Mon, 31 Aug 2026 23:00:05 +0000 References: <20260828-b4-disp-33fac0ed-v3-1-e6d061880ee0@proton.me> In-Reply-To: <20260828-b4-disp-33fac0ed-v3-1-e6d061880ee0@proton.me> To: Bryam Vargas Cc: wintera@linux.ibm.com, pabeni@redhat.com, kuba@kernel.org, davem@davemloft.net, twinkler@linux.ibm.com, edumazet@google.com, aswin@linux.ibm.com, netdev@vger.kernel.org, horms@kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, hidayath@linux.ibm.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 28 Aug 2026 14:07:47 -0500 you wrote: > From: Bryam Vargas > > iucv_sock_recvmsg() sends the HiperSockets-only AF_IUCV_FLAG_WIN without > testing the transport, so on a classic z/VM socket iucv_send_ctrl() sizes > the skb through a NULL iucv->hs_dev. SO_MSGLIMIT accepts 1, so msglimit / 2 > is zero and one recvmsg() on its own socket is enough for an unprivileged > process to take a spurious disconnect. > > [...] Here is the summary with links: - [net,v3] net/iucv: fix the recvmsg window update https://git.kernel.org/netdev/net/c/fa5acd038ea6 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html