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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com, linux-kernel@vger.kernel.org, Praveen Kakkolangara , Maoyi Xie Subject: Re: [PATCH net v3] rds: filter RDS_INFO_* getsockopt by caller's netns Message-ID: <202605121353.896RQym5-lkp@intel.com> References: <20260511070211.1033178-1-maoyi.xie@ntu.edu.sg> 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: <20260511070211.1033178-1-maoyi.xie@ntu.edu.sg> Hi Maoyi, kernel test robot noticed the following build warnings: [auto build test WARNING on b266bacba796ff5c4dcd2ae2fc08aacf7ab39153] url: https://github.com/intel-lab-lkp/linux/commits/Maoyi-Xie/rds-filter-RDS_INFO_-getsockopt-by-caller-s-netns/20260512-045249 base: b266bacba796ff5c4dcd2ae2fc08aacf7ab39153 patch link: https://lore.kernel.org/r/20260511070211.1033178-1-maoyi.xie%40ntu.edu.sg patch subject: [PATCH net v3] rds: filter RDS_INFO_* getsockopt by caller's netns config: arm-randconfig-001-20260512 (https://download.01.org/0day-ci/archive/20260512/202605121353.896RQym5-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260512/202605121353.896RQym5-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/202605121353.896RQym5-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from net/rds/tcp.c:42: In file included from net/rds/rds.h:10: include/uapi/linux/rds.h:233:18: warning: field peer_addr within 'struct rds6_info_tcp_socket' is less aligned than 'struct in6_addr' and is usually due to 'struct rds6_info_tcp_socket' being packed, which can lead to unaligned accesses [-Wunaligned-access] 233 | struct in6_addr peer_addr; | ^ >> net/rds/tcp.c:52:21: warning: variable 'rds_tcp_tc_count' set but not used [-Wunused-but-set-global] 52 | static unsigned int rds_tcp_tc_count; | ^ >> net/rds/tcp.c:54:21: warning: variable 'rds6_tcp_tc_count' set but not used [-Wunused-but-set-global] 54 | static unsigned int rds6_tcp_tc_count; | ^ 3 warnings generated. -- >> net/rds/af_rds.c:46:22: warning: variable 'rds_sock_count' set but not used [-Wunused-but-set-global] 46 | static unsigned long rds_sock_count; | ^ 1 warning generated. vim +/rds_tcp_tc_count +52 net/rds/tcp.c 70041088e3b9766 Andy Grover 2009-08-21 41 70041088e3b9766 Andy Grover 2009-08-21 @42 #include "rds.h" 70041088e3b9766 Andy Grover 2009-08-21 43 #include "tcp.h" 70041088e3b9766 Andy Grover 2009-08-21 44 70041088e3b9766 Andy Grover 2009-08-21 45 /* only for info exporting */ 70041088e3b9766 Andy Grover 2009-08-21 46 static DEFINE_SPINLOCK(rds_tcp_tc_list_lock); 70041088e3b9766 Andy Grover 2009-08-21 47 static LIST_HEAD(rds_tcp_tc_list); 1e2b44e78eead7b Ka-Cheong Poon 2018-07-23 48 1e2b44e78eead7b Ka-Cheong Poon 2018-07-23 49 /* rds_tcp_tc_count counts only IPv4 connections. 1e2b44e78eead7b Ka-Cheong Poon 2018-07-23 50 * rds6_tcp_tc_count counts both IPv4 and IPv6 connections. 1e2b44e78eead7b Ka-Cheong Poon 2018-07-23 51 */ ff51bf841587c75 stephen hemminger 2010-10-19 @52 static unsigned int rds_tcp_tc_count; e65d4d96334e3ff Ka-Cheong Poon 2018-07-30 53 #if IS_ENABLED(CONFIG_IPV6) 1e2b44e78eead7b Ka-Cheong Poon 2018-07-23 @54 static unsigned int rds6_tcp_tc_count; e65d4d96334e3ff Ka-Cheong Poon 2018-07-30 55 #endif 70041088e3b9766 Andy Grover 2009-08-21 56 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki