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 9C577303CAA; Thu, 5 Feb 2026 17:59:29 +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=1770314370; cv=none; b=Zo0USpi/4c0wmdbvrD2gKzRFhrr/1oQ/pFASP/kH8OMhN0pe4+BisoBlq2pYWpYLBvis114qq1zNhmPw/QoV+h0ifniHunObAgbV773oSM2R/GpHyuAU9h3aNYqThXmfGC8Jh+OkytkSa6W8cUAx65dW2DhqbrBhP38E0iffBhU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770314370; c=relaxed/simple; bh=QPnMGMiiqKGmwJXq9xUjekruFfRDSmqjNebQDbWjscg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Y9449ewNO3Iicd1sX+2+wkbw7MAfdrBSo8OuvzyWsBhZuxKvmPMaml8bED6dxT+BHA5E5FqtyNEMmgtiJWCqBbJLVG/8t2gWGVbNaFiuBlN0vAUpA/m2PE/a084Kr90tjkcM//jFDycqESONgJudynQOPAB8Gk40Tn62O+LlSqI= 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=DxKGDeJz; 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="DxKGDeJz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770314370; x=1801850370; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=QPnMGMiiqKGmwJXq9xUjekruFfRDSmqjNebQDbWjscg=; b=DxKGDeJzHFWs8z1oBdM38Nw4cYlVyBYOQlmURJZ07uC7UcckyITyHs5D yW9rMkAZeMGyr8AyZv7RR6QWj9LJpZpHOPJgMnsRmBhlmReWNB1XpqGDu gWF1fTQDZGIm9xGNEDkgylHJyVEXiJD21OWGFDHo6SYTior7U4wOTT1lM yhQxl+AiKRXeuOYVjSzzG2wHxocQoty5qlzSkfq3bomofiMAudHdmb+4a La1m4PWOG+hc5Xbn984UvOQ3vI3q1vyvmMKYJBNYS3E9TzKywb+smih+X E+hyQnriTiK/dQZ97wZBcjq09t8QsJKs5D9PhdWQsy8SNqTxKR+cophtW Q==; X-CSE-ConnectionGUID: xgWg5Dd8SC+UpaPAc9dvcg== X-CSE-MsgGUID: gimbldOFRXG+T86jeSeFLw== X-IronPort-AV: E=McAfee;i="6800,10657,11692"; a="82957294" X-IronPort-AV: E=Sophos;i="6.21,275,1763452800"; d="scan'208";a="82957294" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2026 09:59:29 -0800 X-CSE-ConnectionGUID: 1Qo+LnH2Rw2K6QGdWD9sPg== X-CSE-MsgGUID: DNX37lliSDuSAIS8oirMcw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,275,1763452800"; d="scan'208";a="233552840" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 05 Feb 2026 09:59:25 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vo3dS-00000000k5A-16zC; Thu, 05 Feb 2026 17:59:22 +0000 Date: Fri, 6 Feb 2026 01:58:31 +0800 From: kernel test robot To: Alexander Mikhalitsyn , ast@kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Jeff Layton , Christian Brauner , bpf@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Mikhalitsyn Subject: Re: [PATCH] bpf: use FS_USERNS_DELEGATABLE for bpffs Message-ID: <202602060128.qfggT7Pd-lkp@intel.com> References: <20260205104541.171034-1-alexander@mihalicyn.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260205104541.171034-1-alexander@mihalicyn.com> Hi Alexander, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/net] [also build test ERROR on bpf-next/master bpf/master brauner-vfs/vfs.all linus/master v6.19-rc8 next-20260205] [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/Alexander-Mikhalitsyn/bpf-use-FS_USERNS_DELEGATABLE-for-bpffs/20260205-184845 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net patch link: https://lore.kernel.org/r/20260205104541.171034-1-alexander%40mihalicyn.com patch subject: [PATCH] bpf: use FS_USERNS_DELEGATABLE for bpffs config: i386-buildonly-randconfig-002-20260205 (https://download.01.org/0day-ci/archive/20260206/202602060128.qfggT7Pd-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/20260206/202602060128.qfggT7Pd-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/202602060128.qfggT7Pd-lkp@intel.com/ All errors (new ones prefixed by >>): >> kernel/bpf/inode.c:1084:14: error: use of undeclared identifier 'FS_USERNS_DELEGATABLE'; did you mean 'CFTYPE_NS_DELEGATABLE'? 1084 | .fs_flags = FS_USERNS_DELEGATABLE, | ^~~~~~~~~~~~~~~~~~~~~ | CFTYPE_NS_DELEGATABLE include/linux/cgroup-defs.h:137:2: note: 'CFTYPE_NS_DELEGATABLE' declared here 137 | CFTYPE_NS_DELEGATABLE = (1 << 2), /* writeable beyond delegation boundaries */ | ^ 1 error generated. vim +1084 kernel/bpf/inode.c 1077 1078 static struct file_system_type bpf_fs_type = { 1079 .owner = THIS_MODULE, 1080 .name = "bpf", 1081 .init_fs_context = bpf_init_fs_context, 1082 .parameters = bpf_fs_parameters, 1083 .kill_sb = bpf_kill_super, > 1084 .fs_flags = FS_USERNS_DELEGATABLE, 1085 }; 1086 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki