From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 0C22238F for ; Thu, 15 Jun 2023 01:24:23 +0000 (UTC) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F7EA212D; Wed, 14 Jun 2023 18:24:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686792262; x=1718328262; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=TKMlT1y1/y5VedBm18Sg1VLQSNu3WZkBrgxFikyleQQ=; b=EY3nXxpuelSPTOtvtf/zcrZ91/GsN8NM5U8jsFJGv5h1gII2hw7jwlmu s/xTjlqYlv4pH8XKQT/3IpDzOtHYuS8QXjxBGk4NPVcB7HrduUK2N7dVS KUy6YcgsaX9nglqzxy3k75ZhpYFVhrG/tILQN4ZjCvaoA/6LOzkt54DWz ew3ulEzoQvoYJkKqyhaHbi4uZNETm4Xqd23kG8dgBkfUY3KLtJ912cHmL Mvc7TiQgOLIf5AKSXDjMgkPbD6cYVCbEcWyX+FI5e7WsoJ3gTn13IVYHz cLFlayXr3frLHAQDj/o26SgVyKsJkitYz4TZ/ilnlQvgTSE3BWlEG0bu0 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10741"; a="422385826" X-IronPort-AV: E=Sophos;i="6.00,243,1681196400"; d="scan'208";a="422385826" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2023 18:24:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10741"; a="742052049" X-IronPort-AV: E=Sophos;i="6.00,243,1681196400"; d="scan'208";a="742052049" Received: from lkp-server02.sh.intel.com (HELO d59cacf64e9e) ([10.239.97.151]) by orsmga008.jf.intel.com with ESMTP; 14 Jun 2023 18:24:06 -0700 Received: from kbuild by d59cacf64e9e with local (Exim 4.96) (envelope-from ) id 1q9biX-0001G1-1L; Thu, 15 Jun 2023 01:24:05 +0000 Date: Thu, 15 Jun 2023 09:23:12 +0800 From: kernel test robot To: Dmitry Safonov , David Ahern , Eric Dumazet , Paolo Abeni , Jakub Kicinski , "David S. Miller" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Safonov , Andy Lutomirski , Ard Biesheuvel , Bob Gilligan , Dan Carpenter , David Laight , Donald Cassidy , Eric Biggers , "Eric W. Biederman" , Francesco Ruggeri , Herbert Xu , Hideaki YOSHIFUJI , Ivan Delalande , Leonard Crestez , Salam Noureddine Subject: Re: [PATCH v7 08/22] net/tcp: Add AO sign to RST packets Message-ID: <202306150955.0sJRXmfG-lkp@intel.com> References: <20230614230947.3954084-9-dima@arista.com> Precedence: bulk X-Mailing-List: netdev@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: <20230614230947.3954084-9-dima@arista.com> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Hi Dmitry, kernel test robot noticed the following build warnings: [auto build test WARNING on b6dad5178ceaf23f369c3711062ce1f2afc33644] url: https://github.com/intel-lab-lkp/linux/commits/Dmitry-Safonov/net-tcp-Prepare-tcp_md5sig_pool-for-TCP-AO/20230615-071334 base: b6dad5178ceaf23f369c3711062ce1f2afc33644 patch link: https://lore.kernel.org/r/20230614230947.3954084-9-dima%40arista.com patch subject: [PATCH v7 08/22] net/tcp: Add AO sign to RST packets config: hexagon-randconfig-r025-20230612 (https://download.01.org/0day-ci/archive/20230615/202306150955.0sJRXmfG-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout b6dad5178ceaf23f369c3711062ce1f2afc33644 b4 shazam https://lore.kernel.org/r/20230614230947.3954084-9-dima@arista.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash net/ipv6/ 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/202306150955.0sJRXmfG-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from net/ipv6/tcp_ipv6.c:32: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from net/ipv6/tcp_ipv6.c:32: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from net/ipv6/tcp_ipv6.c:32: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ >> net/ipv6/tcp_ipv6.c:1136:1: warning: unused label 'out' [-Wunused-label] 1136 | out: | ^~~~ 1137 | rcu_read_unlock(); 7 warnings generated. vim +/out +1136 net/ipv6/tcp_ipv6.c 2045a93527d963 Dmitry Safonov 2023-06-15 1110 c24b14c46bb88d Song Liu 2017-10-23 1111 if (sk) { c24b14c46bb88d Song Liu 2017-10-23 1112 oif = sk->sk_bound_dev_if; 052e0690f1f62f Eric Dumazet 2019-07-10 1113 if (sk_fullsock(sk)) { 052e0690f1f62f Eric Dumazet 2019-07-10 1114 const struct ipv6_pinfo *np = tcp_inet6_sk(sk); 052e0690f1f62f Eric Dumazet 2019-07-10 1115 c24b14c46bb88d Song Liu 2017-10-23 1116 trace_tcp_send_reset(sk, skb); 052e0690f1f62f Eric Dumazet 2019-07-10 1117 if (np->repflow) 052e0690f1f62f Eric Dumazet 2019-07-10 1118 label = ip6_flowlabel(ipv6h); e9a5dceee56cb5 Eric Dumazet 2019-09-24 1119 priority = sk->sk_priority; dc6456e938e938 Antoine Tenart 2023-04-27 1120 txhash = sk->sk_txhash; 052e0690f1f62f Eric Dumazet 2019-07-10 1121 } f6c0f5d209fa80 Eric Dumazet 2019-09-24 1122 if (sk->sk_state == TCP_TIME_WAIT) { 50a8accf10627b Eric Dumazet 2019-06-05 1123 label = cpu_to_be32(inet_twsk(sk)->tw_flowlabel); f6c0f5d209fa80 Eric Dumazet 2019-09-24 1124 priority = inet_twsk(sk)->tw_priority; 9258b8b1be2e1e Eric Dumazet 2022-09-22 1125 txhash = inet_twsk(sk)->tw_txhash; f6c0f5d209fa80 Eric Dumazet 2019-09-24 1126 } 323a53c41292a0 Eric Dumazet 2019-06-05 1127 } else { a346abe051bd2b Eric Dumazet 2019-07-01 1128 if (net->ipv6.sysctl.flowlabel_reflect & FLOWLABEL_REFLECT_TCP_RESET) 323a53c41292a0 Eric Dumazet 2019-06-05 1129 label = ip6_flowlabel(ipv6h); c24b14c46bb88d Song Liu 2017-10-23 1130 } c24b14c46bb88d Song Liu 2017-10-23 1131 e92dd77e6fe0a3 Wei Wang 2020-09-08 1132 tcp_v6_send_response(sk, skb, seq, ack_seq, 0, 0, 0, oif, key, 1, 2045a93527d963 Dmitry Safonov 2023-06-15 1133 ipv6_get_dsfield(ipv6h), label, priority, txhash, 2045a93527d963 Dmitry Safonov 2023-06-15 1134 ao_key, traffic_key, rcv_next, ao_sne); 658ddaaf6694ad Shawn Lu 2012-01-31 1135 3b24d854cb3538 Eric Dumazet 2016-04-01 @1136 out: 658ddaaf6694ad Shawn Lu 2012-01-31 1137 rcu_read_unlock(); ecc51b6d5ca04b Arnaldo Carvalho de Melo 2005-12-12 1138 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1139 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki