From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 5C9ED33DEF4; Thu, 13 Nov 2025 11:53:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763034793; cv=none; b=UIuV6CssTH3PCj8UGhDH0kj/oP5A0MKcE3VXd2FlWCnrEaCni8gQ+RSbJhGIQTGuD/Y8/AKXIM7cvkEkAsGmjoiR3wGi9xsUkv9GMz9jPzKFVocj4LIwWUgmly/l13MMR4Kk0Wi+6nDbwCsuAWXzrKrlp3Urb1mWhhEBr4emt7s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763034793; c=relaxed/simple; bh=EnTd1yIYJhrbayx54jkHHGQTQtsGLte7b2vGK/trwJU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qIKpZ4/mCd6tGXte+MaAi2gYMOh4CjqgeEuQ0NWMzzenhcYTyoJrAr4Z2hjZSe8kwf+jUHrnciKOv7kUx6f9SgYticKS5gNBz9CbMTPkjzHbI29S/4Sa2owuAidp8QbVf6Z20eghQqukwetaEpDQWBJGOPaX1JEsJJ04ZrckVvU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ky5xh5kQ; arc=none smtp.client-ip=198.175.65.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ky5xh5kQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763034792; x=1794570792; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=EnTd1yIYJhrbayx54jkHHGQTQtsGLte7b2vGK/trwJU=; b=ky5xh5kQ/uTQ3CZyzDAeW4zUMCXNDHw5dHLx8RyFLnIj9Y/2EITJJ3Eo 0BwbnzrcgT/FaKGu6oHjQS35mPJGwOVTWfVFAeqgXCZXYJcRyTlhBoFF4 qRojzH7+eYP9dRJktGxy9nD2+3w0ctfNq2c2wGuEXuyedhCh3XyBoV1+q /NaCMzvzS9wG+ZBdUW2QFx7Nvs0mtrqgwB2Qe+M5jF83/OFpq9bdKlE5Y 2ya+YFIgQyhvyDnEM985UNwSLUeCX7rFLbVzpO5CZMgyQCSTMQCCbpplA A1YNFHHji/UrYhjBoa5b4a928yuDBb7/1OI+wGBCN++BM+ZCEigj5uFww Q==; X-CSE-ConnectionGUID: jpT99LqXSeOvZRbGNkv4FQ== X-CSE-MsgGUID: umYhJtpIQMu1WRfRQkkIcA== X-IronPort-AV: E=McAfee;i="6800,10657,11611"; a="76572005" X-IronPort-AV: E=Sophos;i="6.19,301,1754982000"; d="scan'208";a="76572005" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2025 03:53:09 -0800 X-CSE-ConnectionGUID: KI0P8riSR7CNAJXtWjnlvg== X-CSE-MsgGUID: 56hdobk0T9ittekeU8Xi8A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,301,1754982000"; d="scan'208";a="226783197" Received: from lkp-server01.sh.intel.com (HELO 7b01c990427b) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 13 Nov 2025 03:53:07 -0800 Received: from kbuild by 7b01c990427b with local (Exim 4.96) (envelope-from ) id 1vJVsu-0005HX-2s; Thu, 13 Nov 2025 11:53:04 +0000 Date: Thu, 13 Nov 2025 19:52:39 +0800 From: kernel test robot To: Paolo Abeni , mptcp@lists.linux.dev Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH v3 mptcp-net 3/3] Squash-to: "mptcp: leverage the backlog for RX packet processing" Message-ID: <202511131922.61JkdJO9-lkp@intel.com> References: Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Paolo, kernel test robot noticed the following build errors: [auto build test ERROR on mptcp/export] [cannot apply to mptcp/export-net linus/master v6.18-rc5 next-20251113] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Paolo-Abeni/mptcp-fix-grafting-corner-case/20251113-081224 base: https://github.com/multipath-tcp/mptcp_net-next.git export patch link: https://lore.kernel.org/r/ee40999f77d0186abba2a6b21958c1a8c4881c57.1762992570.git.pabeni%40redhat.com patch subject: [PATCH v3 mptcp-net 3/3] Squash-to: "mptcp: leverage the backlog for RX packet processing" config: sparc64-defconfig (https://download.01.org/0day-ci/archive/20251113/202511131922.61JkdJO9-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251113/202511131922.61JkdJO9-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202511131922.61JkdJO9-lkp@intel.com/ All errors (new ones prefixed by >>): >> net/mptcp/protocol.c:693:12: error: no member named 'sk_memcg' in 'struct sock' 693 | if (!ssk->sk_memcg) | ~~~ ^ 1 error generated. vim +693 net/mptcp/protocol.c 654 655 static void __mptcp_add_backlog(struct sock *sk, 656 struct mptcp_subflow_context *subflow, 657 struct sk_buff *skb) 658 { 659 struct mptcp_sock *msk = mptcp_sk(sk); 660 struct sk_buff *tail = NULL; 661 struct sock *ssk = skb->sk; 662 bool fragstolen; 663 int delta; 664 665 if (unlikely(sk->sk_state == TCP_CLOSE)) { 666 kfree_skb_reason(skb, SKB_DROP_REASON_SOCKET_CLOSE); 667 return; 668 } 669 670 /* Try to coalesce with the last skb in our backlog */ 671 if (!list_empty(&msk->backlog_list)) 672 tail = list_last_entry(&msk->backlog_list, struct sk_buff, list); 673 674 if (tail && MPTCP_SKB_CB(skb)->map_seq == MPTCP_SKB_CB(tail)->end_seq && 675 ssk == tail->sk && 676 __mptcp_try_coalesce(sk, tail, skb, &fragstolen, &delta)) { 677 skb->truesize -= delta; 678 kfree_skb_partial(skb, fragstolen); 679 __mptcp_subflow_lend_fwdmem(subflow, delta); 680 goto account; 681 } 682 683 list_add_tail(&skb->list, &msk->backlog_list); 684 mptcp_subflow_lend_fwdmem(subflow, skb); 685 delta = skb->truesize; 686 687 account: 688 WRITE_ONCE(msk->backlog_len, msk->backlog_len + delta); 689 690 /* Possibly not accept()ed yet, keep track of memory not CG 691 * accounted, mptcp_grapt_subflows will handle it. 692 */ > 693 if (!ssk->sk_memcg) 694 msk->backlog_unaccounted += delta; 695 } 696 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki