From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f50.google.com (mail-ej1-f50.google.com [209.85.218.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 39EED14387B for ; Mon, 8 Apr 2024 17:11:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712596283; cv=none; b=n9aQLsRN7kKjKcnUCMhYDsUQB8sMLW/E3OEsG2UsIpwrUDTP5xDhv7fO0WJIdGTEb63+3w+Qn00hP1gKM5ohvRvDWC1pq+0U1PY+P5j5O5OQur4oPlJFMrQIx9M+v3YOlArj3nQh2fJ6CO+3Y/txQtG1XH8gxgXh/p/WDNYxKQA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712596283; c=relaxed/simple; bh=xwk3SKYQaN1C15vbMHJpRxe3JiSqBjXS7OiPZIsEuHE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=mriX/F0u4EKAOF4Y5/AoH4oM3Dl3WP1c/MfJkOPpexLdJpBvBq1kDbCh+ArBkA8c245SxrJmpmSPk38BS0+QFA330cO1Z4jDzBWMsx1hBw9lDMShFsN93j9VwhduVGgd09qToJrpbNY/XhhaKOGJjFszHW0uOqF/we3Wh6wafNs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=kPMB6/w9; arc=none smtp.client-ip=209.85.218.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kPMB6/w9" Received: by mail-ej1-f50.google.com with SMTP id a640c23a62f3a-a51daa8242cso127226966b.2 for ; Mon, 08 Apr 2024 10:11:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1712596280; x=1713201080; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=naOX1KoHrARiozxv4VGslLHnFurXXKC88xhT4svXf1o=; b=kPMB6/w9ycKUP9cAVt2acP3XVEfiaowT1DhsDD0a2WX7BWf0tLMt+82taoxVcH33Oi 9JTI20rTJfunLsPDcC/cjuX9fwoT/DUXTnjU0YJb00PmP/sT/T/ka3DtXgWXJ8uJ0kUt 6zgTsn3qtoRtDj2wg3GfCs/gzYZY2FjlXWmBDX1VVZnIanmd5ZarEI5UFb3BCZxVhtYR yQgKUrJxmAoM5ktF3i6lHYsvceAkOulaOZxn42uBjchX3Do9JKnwtSQtrNOZn+Vr4xC8 q80fIymyaM/ga7m98aoYilptqa2nfd+rEPEi8V8W5qVssVLYEptwKFL9HfwXohbh5196 K8zw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712596280; x=1713201080; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=naOX1KoHrARiozxv4VGslLHnFurXXKC88xhT4svXf1o=; b=fOgnNj0WgHmVR0aaVXWlRRZu8rR5r00cu13PxaDlphvZhLwS+j0cy7JF42Hn+JRfDU wPGkelYSbaVWrNmpOzMvCF3F2noBzUGIQ41q4O4l+qf87CrUk6fnZbWBaq8NcKB0DcLZ OARowoYhRJoe+2H18Sfkmxu0KzZc+5ywa9/IZMiBYZJuLfj1macyM38wD390ZyWIF8Tj v8R18lEj4kZj6Y3IWEGRp59sehMHGh+VNXXusGC4/rDzXfuHiTFU8TyRcrvO/PMdnbqv 2vBMAINDvidZBtDejjO4N29He8ovCRYc/1F8DEJ0njwdrO5dTzNE1N4GSmvxOIaAXdOB tNGA== X-Gm-Message-State: AOJu0YzrOEZMy2IGX5A9X4vY95ThNzr0gkkCX+8rFQ9vLhpt48P+D1Cu d4+zuO+o5Ss58DXiEUZQcCheg5SIf0kocp8JXnm1eaPjmtz+vIxCI5gPwGwS X-Google-Smtp-Source: AGHT+IFP32DwGzyp6mbhyBmuCnClrBUo34LF8z02l9f31bLkQghXf3nObq6siotFUBxSNMmkVwhzwg== X-Received: by 2002:a17:906:eb43:b0:a51:d611:cd5e with SMTP id mc3-20020a170906eb4300b00a51d611cd5emr1855523ejb.57.1712596280205; Mon, 08 Apr 2024 10:11:20 -0700 (PDT) Received: from 127.0.0.1localhost ([163.114.131.193]) by smtp.gmail.com with ESMTPSA id js23-20020a170906ca9700b00a51c6d98777sm2623879ejb.58.2024.04.08.10.11.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Apr 2024 10:11:20 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH for-6.9] io_uring/net: restore msg_control on sendzc retry Date: Mon, 8 Apr 2024 18:11:09 +0100 Message-ID: X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit cac9e4418f4cb ("io_uring/net: save msghdr->msg_control for retries") reinstatiates msg_control before every __sys_sendmsg_sock(), since the function can overwrite the value in msghdr. We need to do same for zerocopy sendmsg. Cc: stable@vger.kernel.org Link: https://github.com/axboe/liburing/issues/1067 Signed-off-by: Pavel Begunkov --- io_uring/net.c | 1 + 1 file changed, 1 insertion(+) diff --git a/io_uring/net.c b/io_uring/net.c index 1e7665ff6ef7..4afb475d4197 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -1276,6 +1276,7 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags) if (req_has_async_data(req)) { kmsg = req->async_data; + kmsg->msg.msg_control_user = sr->msg_control; } else { ret = io_sendmsg_copy_hdr(req, &iomsg); if (ret) -- 2.44.0