* Re: [PATCH net v3] rds: filter RDS_INFO_* getsockopt by caller's netns
[not found] <20260511070211.1033178-1-maoyi.xie@ntu.edu.sg>
@ 2026-05-12 5:42 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-05-12 5:42 UTC (permalink / raw)
To: Maoyi Xie, Simon Horman, Allison Henderson, netdev
Cc: llvm, oe-kbuild-all, David S . Miller, Eric Dumazet,
Jakub Kicinski, Paolo Abeni, linux-rdma, rds-devel, linux-kernel,
Praveen Kakkolangara, Maoyi Xie
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 <lkp@intel.com>
| 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
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