From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 2CFF732BF23; Thu, 5 Feb 2026 21:43:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770327814; cv=none; b=jTR2EKXDDVgjo+othby8FYXJ/mgHK2WYph3d6+85z/1e9N/kHkGflIf2jzkVXZye0UBA4CsFWlMyIri4CEwyOEf+0AuHUeC3bT1zBSiltJIVm/RirEIqSSVs8jFrd86u8XsN0OK1CrLk/xEFKfs3cciPkKomOhehH5PT3xAOPwk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770327814; c=relaxed/simple; bh=47iYUzwhRATVtovzUuaC7RiQ590D0Xz/pYXWrUljWNg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=rziHefi/023/CdkFkMPWS/Nw+7xn1KKFa+IEAr0oy7vLqhBwhWfKvNwUiRupFxmg6FKztgPpeJW4XYgisjBJCIEtITMH8gi/P8BsAxikyrzmye/Mfy3KGhKczKyxT5a83s3TCM0YUWj047QoaXEH+cSUHhXvyWCBHxsVguwHB7M= 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=GNmKigJB; arc=none smtp.client-ip=192.198.163.10 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="GNmKigJB" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770327813; x=1801863813; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=47iYUzwhRATVtovzUuaC7RiQ590D0Xz/pYXWrUljWNg=; b=GNmKigJBXWQKxAyTzCw+7VJRzJcTGsjPwJtrP2p3skgFfOROMWZ3if6S RxVGuyhBjtgNSnvQd+Sd3i4dO7sLqv5kLp9QPiKcAlw7Sq/s+9s6GapAq ginALImymar3pVc6t3xMZvOElE7bWyohdlNi1cSk3fMFL+nro8NXdkL3P TGayboonkms9dG06c6NeGw39KTyoII5s4Mnq38JB/RVy4CCtx1Gr5/eQj yq+we5FQLL4uWyPY/T4EMRzljzKMFFDmvzentY+aJVE2ZqHVl+afH97rx yOOxiz65TKnfdOS/OE64MxNmyiHJiL37yUiw6pm0nxLtBFyvF8/zPkq1T w==; X-CSE-ConnectionGUID: xB73g1lvT9S+AsF4HQBQdQ== X-CSE-MsgGUID: rVtOXohQQFm9WlHCxppVOg== X-IronPort-AV: E=McAfee;i="6800,10657,11692"; a="82906658" X-IronPort-AV: E=Sophos;i="6.21,275,1763452800"; d="scan'208";a="82906658" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2026 13:43:32 -0800 X-CSE-ConnectionGUID: xbJwisGWRUS3YD0GgYyw5w== X-CSE-MsgGUID: uRBDmptqSIaCVOaxrZB5QQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,275,1763452800"; d="scan'208";a="241237293" Received: from igk-lkp-server01.igk.intel.com (HELO afc5bfd7f602) ([10.211.93.152]) by fmviesa001.fm.intel.com with ESMTP; 05 Feb 2026 13:43:28 -0800 Received: from kbuild by afc5bfd7f602 with local (Exim 4.98.2) (envelope-from ) id 1vo78I-000000004Ef-2u05; Thu, 05 Feb 2026 21:43:26 +0000 Date: Thu, 5 Feb 2026 22:43:00 +0100 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: <202602052225.8AVOJuNQ-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 v6.16-rc1 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: x86_64-kexec (https://download.01.org/0day-ci/archive/20260205/202602052225.8AVOJuNQ-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/20260205/202602052225.8AVOJuNQ-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/202602052225.8AVOJuNQ-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