From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 F38A65F56E; Sat, 3 Feb 2024 19:59:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706990371; cv=none; b=kTqwEpgEUF8TjWxpp3IDNTVJ697kZbU5IWyi8W9jt62yhEtpx8a9YDvK1PzgGCV/go+DcooHrP6rkwHIyhrbFeKkvmejTcSU9w8ISe/0r0XdSY0feahBz1+0fnpbgPLtyMom5Z40bxHGpWfUi3YbrUFrCcTt9iYWZvWChzMHycg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706990371; c=relaxed/simple; bh=0Cl0sgbD6FT0nxPUKA/aqwhhXsqtDupISOShia89apY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IrXns5PXE/sOGAgt5ymUPvRxwSvW57O7Ctzfsk6djgz66xQbpLN2yi+wB1FPXfQYv09ZVquIdBJbpBiml4DvxYz62W5hsiYEKe9ALYW5h3JkOa71oaVXNo6B2bIRobDvddDkWhg/UeBEMTfFt86MX47dAfX15KsySxafPLgctVI= 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=nIlnyUTu; arc=none smtp.client-ip=192.198.163.19 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="nIlnyUTu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706990369; x=1738526369; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=0Cl0sgbD6FT0nxPUKA/aqwhhXsqtDupISOShia89apY=; b=nIlnyUTuL+AAxMma9PPUB9quXa5AGnD2b3uI60aX2LjjW7Zj6qeNi3kP RxVp0MxltBNR1HAH9ma3e4Z8fKpbmUZ8XvQv6OQSsT0YrOUtl62WtTXwl VCXqoFP1tPZ8dniBq08HjUoU7NIRz0NrzRl9mZYfY3lmiHQvCsaRJpAtI NlRMoCzVdlgo3KfCmrOVvkCk6pGlYCI0MHMiiphj9DyyTH0WiWboXQjpv CwDa6qImxcIxRPZJYiOzoLMSGUSrolY2sRXVA4mqGsah1KsT5MQM0ItvH cC0FuvTjTt/np9RU+rU6vCf76iXx/A+D6ysRirSoykfbzcBBnMkVEWLvY g==; X-IronPort-AV: E=McAfee;i="6600,9927,10973"; a="236330" X-IronPort-AV: E=Sophos;i="6.05,241,1701158400"; d="scan'208";a="236330" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2024 11:59:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,241,1701158400"; d="scan'208";a="577386" Received: from lkp-server02.sh.intel.com (HELO 59f4f4cd5935) ([10.239.97.151]) by fmviesa008.fm.intel.com with ESMTP; 03 Feb 2024 11:59:26 -0800 Received: from kbuild by 59f4f4cd5935 with local (Exim 4.96) (envelope-from ) id 1rWMAe-0005Xs-03; Sat, 03 Feb 2024 19:59:24 +0000 Date: Sun, 4 Feb 2024 03:59:15 +0800 From: kernel test robot To: Kuniyuki Iwashima , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, Kuniyuki Iwashima Subject: Re: [PATCH v1 net-next 07/16] af_unix: Detect Strongly Connected Components. Message-ID: <202402040348.uejoTcrq-lkp@intel.com> References: <20240203030058.60750-8-kuniyu@amazon.com> 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: <20240203030058.60750-8-kuniyu@amazon.com> Hi Kuniyuki, kernel test robot noticed the following build warnings: [auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Kuniyuki-Iwashima/af_unix-Add-struct-unix_vertex-in-struct-unix_sock/20240203-110847 base: net-next/main patch link: https://lore.kernel.org/r/20240203030058.60750-8-kuniyu%40amazon.com patch subject: [PATCH v1 net-next 07/16] af_unix: Detect Strongly Connected Components. config: x86_64-rhel-8.3-bpf (https://download.01.org/0day-ci/archive/20240204/202402040348.uejoTcrq-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240204/202402040348.uejoTcrq-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/202402040348.uejoTcrq-lkp@intel.com/ All warnings (new ones prefixed by >>): >> net/unix/garbage.c:257:2: warning: label at end of compound statement is a C2x extension [-Wc2x-extensions] 257 | } | ^ 1 warning generated. vim +257 net/unix/garbage.c 227 228 static void __unix_walk_scc(struct unix_vertex *vertex) 229 { 230 unsigned long index = UNIX_VERTEX_INDEX_START; 231 LIST_HEAD(vertex_stack); 232 struct unix_edge *edge; 233 LIST_HEAD(edge_stack); 234 235 next_vertex: 236 vertex->index = index; 237 vertex->lowlink = index; 238 index++; 239 240 vertex->on_stack = true; 241 list_move(&vertex->scc_entry, &vertex_stack); 242 243 list_for_each_entry(edge, &vertex->edges, entry) { 244 if (!edge->successor->out_degree) 245 continue; 246 247 if (edge->successor->index == UNIX_VERTEX_INDEX_UNVISITED) { 248 list_add(&edge->stack_entry, &edge_stack); 249 250 vertex = edge->successor; 251 goto next_vertex; 252 } 253 254 if (edge->successor->on_stack) 255 vertex->lowlink = min(vertex->lowlink, edge->successor->index); 256 next_edge: > 257 } 258 259 if (vertex->index == vertex->lowlink) { 260 LIST_HEAD(scc); 261 262 list_cut_position(&scc, &vertex_stack, &vertex->scc_entry); 263 264 list_for_each_entry_reverse(vertex, &scc, scc_entry) { 265 list_move_tail(&vertex->entry, &unix_visited_vertices); 266 267 vertex->on_stack = false; 268 } 269 270 list_del(&scc); 271 } 272 273 if (!list_empty(&edge_stack)) { 274 edge = list_first_entry(&edge_stack, typeof(*edge), stack_entry); 275 list_del_init(&edge->stack_entry); 276 277 vertex = edge->predecessor; 278 vertex->lowlink = min(vertex->lowlink, edge->successor->lowlink); 279 goto next_edge; 280 } 281 } 282 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki