From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 7718126299; Thu, 13 Nov 2025 11:31:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763033471; cv=none; b=iTdiU2lX9O+uBHHQaSLn2JdKIawM6HLzn7Mw/6OymEQwfj0X5/aGktRIbjN0UkwTYA8OFa34okaADkD1HulLjI3JWSBHLsRsSYpghI3VGZTQ3c+DtxuKCGizuPDhetn+Cu0NclbYFWwWVijNZNHuThK76umNmv7wgR5vnIV7X2Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763033471; c=relaxed/simple; bh=leQexSe0QOsw8gKDWYROxDGXZhNe5hvXDiWHOWjWxbU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iiU8RIlymzSyNncaL/nKnwqy70qB9/HcmNxXy/PyT+4ktbKd8RJBGMRtaiwj5/LaMJg8PwoAWB+ual0wuNBz6TjcbLbR0Ju6ZiWIY0L8FJ6IaasXFycPbVt9TMhs2HSgc2s2r1O7uRhxKtzKAnGW9NCfKzWwqjsQo3Fub18iZw4= 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=XixOy/S0; arc=none smtp.client-ip=198.175.65.14 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="XixOy/S0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763033467; x=1794569467; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=leQexSe0QOsw8gKDWYROxDGXZhNe5hvXDiWHOWjWxbU=; b=XixOy/S0KM52OeHZsljtOI2YycgrruHil4mjaRsFmQ8KTNliyHQWLSCu y2sz6oYfZ2Jus8/4EXldYJkhpVyQN6xc9cpaOsMQVdvfJY+G6AxoIlUvU N+IwZfKgFGrotii9AD/RibJeztuNPdiSD4UlfcJlZ+2PmzQdb10hk8mgF xCqqnxfojY5z5GkmsF0H2E4TKELmK5a5UH1ZLqjd+WgnZVwy3NAkMlego Xr/Oo9Sfkv5a8METoQ9H1aDBifMgl/QaG/+CBUp4wWnl9qGCnQVp2JAPS XqXptBp4NDOS764il93gu6v0EEpRF2NlHmxRFXK6wVaLwKWVV9mpvbOyl g==; X-CSE-ConnectionGUID: KwX7+JU/RJ2Idhw0JXhx5Q== X-CSE-MsgGUID: FgfX+x9RQumBB2lUhlGHww== X-IronPort-AV: E=McAfee;i="6800,10657,11611"; a="68960602" X-IronPort-AV: E=Sophos;i="6.19,301,1754982000"; d="scan'208";a="68960602" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2025 03:31:06 -0800 X-CSE-ConnectionGUID: 6Rj5s/SBSaeCL0167eGeig== X-CSE-MsgGUID: 3IowPMGiTGiQGduJiL6Haw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,301,1754982000"; d="scan'208";a="220132437" Received: from lkp-server01.sh.intel.com (HELO 7b01c990427b) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 13 Nov 2025 03:31:05 -0800 Received: from kbuild by 7b01c990427b with local (Exim 4.96) (envelope-from ) id 1vJVXa-0005FT-22; Thu, 13 Nov 2025 11:31:02 +0000 Date: Thu, 13 Nov 2025 19:30:05 +0800 From: kernel test robot To: Paolo Abeni , mptcp@lists.linux.dev Cc: 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: <202511131931.1yh3eKYe-lkp@intel.com> References: Precedence: bulk X-Mailing-List: mptcp@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: openrisc-defconfig (https://download.01.org/0day-ci/archive/20251113/202511131931.1yh3eKYe-lkp@intel.com/config) compiler: or1k-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251113/202511131931.1yh3eKYe-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/202511131931.1yh3eKYe-lkp@intel.com/ All errors (new ones prefixed by >>): net/mptcp/protocol.c: In function '__mptcp_add_backlog': >> net/mptcp/protocol.c:693:17: error: 'struct sock' has no member named 'sk_memcg' 693 | if (!ssk->sk_memcg) | ^~ 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