tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-linux-5.10.y head: 31b50abb3ee1c8f78cb2d61c6fbbf074c7f5d99f commit: e355bf097bb11257afeadf6665e51f224eeb93a7 [6282/6309] net: packet: Pass on redundant net info in packet_recvmsg config: mips-randconfig-r016-20210711 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8d69635ed9ecf36fd0ca85906bfde17949671cbe) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git git fetch --no-tags ti ti-linux-5.10.y git checkout e355bf097bb11257afeadf6665e51f224eeb93a7 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=mips SHELL=/bin/bash kernel/ net/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from kernel/sysctl.c:54: In file included from include/linux/nfs_fs.h:32: In file included from include/linux/sunrpc/clnt.h:28: In file included from include/net/ipv6.h:12: In file included from include/linux/ipv6.h:87: In file included from include/linux/tcp.h:19: put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); ^ 1 error generated. -- In file included from kernel/audit.c:53: put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); ^ kernel/audit.c:1778:14: warning: no previous prototype for function 'audit_serial' [-Wmissing-prototypes] unsigned int audit_serial(void) ^ kernel/audit.c:1778:1: note: declare 'static' if the function is not intended to be used outside of this translation unit unsigned int audit_serial(void) ^ static 1 warning and 1 error generated. -- In file included from net/bpf/test_run.c:10: In file included from include/net/bpf_sk_storage.h:12: put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); ^ net/bpf/test_run.c:121:14: warning: no previous prototype for function 'bpf_fentry_test1' [-Wmissing-prototypes] int noinline bpf_fentry_test1(int a) ^ net/bpf/test_run.c:121:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int noinline bpf_fentry_test1(int a) ^ static net/bpf/test_run.c:126:14: warning: no previous prototype for function 'bpf_fentry_test2' [-Wmissing-prototypes] int noinline bpf_fentry_test2(int a, u64 b) ^ net/bpf/test_run.c:126:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int noinline bpf_fentry_test2(int a, u64 b) ^ static net/bpf/test_run.c:131:14: warning: no previous prototype for function 'bpf_fentry_test3' [-Wmissing-prototypes] int noinline bpf_fentry_test3(char a, int b, u64 c) ^ net/bpf/test_run.c:131:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int noinline bpf_fentry_test3(char a, int b, u64 c) ^ static net/bpf/test_run.c:136:14: warning: no previous prototype for function 'bpf_fentry_test4' [-Wmissing-prototypes] int noinline bpf_fentry_test4(void *a, char b, int c, u64 d) ^ net/bpf/test_run.c:136:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int noinline bpf_fentry_test4(void *a, char b, int c, u64 d) ^ static net/bpf/test_run.c:141:14: warning: no previous prototype for function 'bpf_fentry_test5' [-Wmissing-prototypes] int noinline bpf_fentry_test5(u64 a, void *b, short c, int d, u64 e) ^ net/bpf/test_run.c:141:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int noinline bpf_fentry_test5(u64 a, void *b, short c, int d, u64 e) ^ static net/bpf/test_run.c:146:14: warning: no previous prototype for function 'bpf_fentry_test6' [-Wmissing-prototypes] int noinline bpf_fentry_test6(u64 a, void *b, short c, int d, void *e, u64 f) ^ net/bpf/test_run.c:146:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int noinline bpf_fentry_test6(u64 a, void *b, short c, int d, void *e, u64 f) ^ static net/bpf/test_run.c:155:14: warning: no previous prototype for function 'bpf_fentry_test7' [-Wmissing-prototypes] int noinline bpf_fentry_test7(struct bpf_fentry_test_t *arg) ^ net/bpf/test_run.c:155:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int noinline bpf_fentry_test7(struct bpf_fentry_test_t *arg) ^ static net/bpf/test_run.c:160:14: warning: no previous prototype for function 'bpf_fentry_test8' [-Wmissing-prototypes] int noinline bpf_fentry_test8(struct bpf_fentry_test_t *arg) ^ net/bpf/test_run.c:160:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int noinline bpf_fentry_test8(struct bpf_fentry_test_t *arg) ^ static net/bpf/test_run.c:165:14: warning: no previous prototype for function 'bpf_modify_return_test' [-Wmissing-prototypes] int noinline bpf_modify_return_test(int a, int *b) ^ net/bpf/test_run.c:165:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int noinline bpf_modify_return_test(int a, int *b) ^ static 9 warnings and 1 error generated. -- In file included from net/ipv4/route.c:83: In file included from include/linux/mroute.h:10: In file included from include/linux/mroute_base.h:8: put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); ^ net/ipv4/route.c:885:6: warning: variable 'log_martians' set but not used [-Wunused-but-set-variable] int log_martians; ^ 1 warning and 1 error generated. -- In file included from net/ipv4/ah4.c:9: In file included from include/net/ip.h:28: In file included from include/net/inet_sock.h:22: put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); ^ net/ipv4/ah4.c:512:4: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat] aalg_desc->uinfo.auth.icv_fullbits / 8); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:373:34: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from net/ipv4/esp4.c:8: In file included from include/net/ip.h:28: In file included from include/net/inet_sock.h:22: put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); ^ net/ipv4/esp4.c:1117:5: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat] aalg_desc->uinfo.auth.icv_fullbits / 8); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:373:34: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from net/rxrpc/rxkad.c:14: In file included from include/linux/udp.h:16: In file included from include/net/inet_sock.h:22: put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); ^ net/rxrpc/rxkad.c:344:33: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] _leave(" = %d [set %hx]", ret, y); ~~~ ^ %x net/rxrpc/ar-internal.h:1172:63: note: expanded from macro '_leave' #define _leave(FMT,...) no_printk("<== %s()"FMT"",__func__ ,##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:140:17: note: expanded from macro 'no_printk' printk(fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from net/l2tp/l2tp_debugfs.c:18: put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); ^ net/l2tp/l2tp_debugfs.c:189:40: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] seq_printf(m, " nr %hu, ns %hu\n", session->nr, session->ns); ~~~ ^~~~~~~~~~~ %u net/l2tp/l2tp_debugfs.c:189:53: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] seq_printf(m, " nr %hu, ns %hu\n", session->nr, session->ns); ~~~ ^~~~~~~~~~~ %u net/l2tp/l2tp_debugfs.c:198:32: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat] session->l2specific_type, l2tp_get_l2specific_len(session)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ net/l2tp/l2tp_debugfs.c:221:6: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] session->nr, session->ns, ^~~~~~~~~~~ net/l2tp/l2tp_debugfs.c:221:19: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] session->nr, session->ns, ^~~~~~~~~~~ 5 warnings and 1 error generated. -- In file included from net/l2tp/l2tp_core.c:40: In file included from include/linux/udp.h:16: In file included from include/net/inet_sock.h:22: put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); ^ In file included from net/l2tp/l2tp_core.c:67: In file included from net/l2tp/trace.h:211: include/trace/define_trace.h:95:10: fatal error: './trace.h' file not found #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/trace/define_trace.h:90:32: note: expanded from macro 'TRACE_INCLUDE' # define TRACE_INCLUDE(system) __TRACE_INCLUDE(system) ^~~~~~~~~~~~~~~~~~~~~~~ include/trace/define_trace.h:87:34: note: expanded from macro '__TRACE_INCLUDE' # define __TRACE_INCLUDE(system) __stringify(TRACE_INCLUDE_PATH/system.h) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/stringify.h:10:27: note: expanded from macro '__stringify' #define __stringify(x...) __stringify_1(x) ^~~~~~~~~~~~~~~~ include/linux/stringify.h:9:29: note: expanded from macro '__stringify_1' #define __stringify_1(x...) #x ^~ <scratch space>:85:1: note: expanded from here "./trace.h" ^~~~~~~~~~~ 2 errors generated. vim +/SCM_REDUNDANT +2523 include/net/sock.h 2514 2515 DECLARE_STATIC_KEY_FALSE(tcp_rx_skb_cache_key); 2516 static inline void sock_recv_redundant_info(struct msghdr *msg, struct sock *sk, 2517 struct sk_buff *skb) 2518 { 2519 struct skb_redundant_info *sred; 2520 2521 sred = skb_redinfo(skb); 2522 if (sred->lsdu_size) 2524 } 2525 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org