tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.4.y head: e6f6398802d41ad655b6a4108be588d533e3c1c4 commit: e804afb5449b93d5b543a1685b0b2fab328873fc [9147/9274] net: packet: pass on redundant net info in packet_recvmsg config: parisc-randconfig-r011-20200810 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 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 git checkout e804afb5449b93d5b543a1685b0b2fab328873fc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc 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 include/linux/mm.h:99, from include/linux/bvec.h:13, from include/linux/skbuff.h:17, from include/linux/icmpv6.h:5, from include/linux/ipv6.h:86, from include/net/ipv6.h:12, from include/net/6lowpan.h:58, from net//6lowpan/core.c:10: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ In file included from include/linux/tcp.h:19, from include/linux/ipv6.h:87, from include/net/ipv6.h:12, from include/net/6lowpan.h:58, from net//6lowpan/core.c:10: include/net/sock.h: In function 'sock_recv_redundant_info': 2457 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); | ^~~~~~~~~~~~~ include/net/sock.h:2457:29: note: each undeclared identifier is reported only once for each function it appears in -- In file included from arch/parisc/include/asm/io.h:6, from include/linux/io.h:13, from include/linux/irq.h:20, from arch/parisc/include/asm/hardirq.h:13, from include/linux/hardirq.h:9, from include/net/sock.h:38, from net//dccp/ccid.h:13, from net//dccp/ccid.c:13: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ In file included from net//dccp/ccid.h:13, from net//dccp/ccid.c:13: include/net/sock.h: In function 'sock_recv_redundant_info': 2457 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); | ^~~~~~~~~~~~~ include/net/sock.h:2457:29: note: each undeclared identifier is reported only once for each function it appears in net//dccp/ccid.c: In function 'ccid_kmem_cache_create': net//dccp/ccid.c:85:2: warning: function 'ccid_kmem_cache_create' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 85 | vsnprintf(slab_name_fmt, CCID_SLAB_NAME_LENGTH, fmt, args); | ^~~~~~~~~ -- In file included from arch/parisc/include/asm/io.h:6, from include/linux/io.h:13, from include/linux/irq.h:20, from arch/parisc/include/asm/hardirq.h:13, from include/linux/hardirq.h:9, from include/linux/interrupt.h:11, from include/linux/dccp.h:7, from net//dccp/output.c:9: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ In file included from include/net/inet_sock.h:22, from include/net/inet_connection_sock.h:20, from include/linux/dccp.h:13, from net//dccp/output.c:9: include/net/sock.h: In function 'sock_recv_redundant_info': 2457 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); | ^~~~~~~~~~~~~ include/net/sock.h:2457:29: note: each undeclared identifier is reported only once for each function it appears in net//dccp/output.c: In function 'dccp_xmit_packet': net//dccp/output.c:279:57: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 279 | dccp_pr_debug("transmit_skb() returned err=%d\n", err); | ^ -- In file included from arch/parisc/include/asm/io.h:6, from include/linux/io.h:13, from include/linux/irq.h:20, from arch/parisc/include/asm/hardirq.h:13, from include/linux/hardirq.h:9, from include/linux/interrupt.h:11, from include/linux/dccp.h:7, from net//dccp/dccp.h:12, from net//dccp/ackvec.c:9: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ In file included from include/net/inet_sock.h:22, from include/net/inet_connection_sock.h:20, from include/linux/dccp.h:13, from net//dccp/dccp.h:12, from net//dccp/ackvec.c:9: include/net/sock.h: In function 'sock_recv_redundant_info': 2457 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); | ^~~~~~~~~~~~~ include/net/sock.h:2457:29: note: each undeclared identifier is reported only once for each function it appears in net//dccp/ackvec.c: In function 'dccp_ackvec_update_old': net//dccp/ackvec.c:163:45: warning: suggest braces around empty body in an 'else' statement [-Wempty-body] 163 | (unsigned long long)seqno, state); | ^ -- In file included from arch/parisc/include/asm/io.h:6, from include/linux/io.h:13, from include/linux/irq.h:20, from arch/parisc/include/asm/hardirq.h:13, from include/linux/hardirq.h:9, from include/linux/interrupt.h:11, from include/linux/dccp.h:7, from net//dccp/proto.c:9: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ In file included from include/net/inet_sock.h:22, from include/net/inet_connection_sock.h:20, from include/linux/dccp.h:13, from net//dccp/proto.c:9: include/net/sock.h: In function 'sock_recv_redundant_info': 2457 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); | ^~~~~~~~~~~~~ include/net/sock.h:2457:29: note: each undeclared identifier is reported only once for each function it appears in In file included from net//dccp/trace.h:84, from net//dccp/proto.c:39: include/trace/define_trace.h: At top level: include/trace/define_trace.h:95:42: fatal error: ./trace.h: No such file or directory 95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) | ^ compilation terminated. -- In file included from include/linux/mm.h:99, from include/linux/bvec.h:13, from include/linux/skbuff.h:17, from include/linux/if_ether.h:19, from include/uapi/linux/ethtool.h:19, from include/linux/ethtool.h:18, from include/linux/netdevice.h:37, from include/linux/if_bridge.h:12, from net//dsa/tag_8021q.c:9: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ In file included from include/linux/tcp.h:19, from include/linux/ipv6.h:87, from include/net/ipv6.h:12, from include/net/inetpeer.h:16, from include/net/ip_fib.h:20, from include/net/switchdev.h:13, from include/net/dsa.h:23, from net//dsa/dsa_priv.h:13, from net//dsa/tag_8021q.c:12: include/net/sock.h: In function 'sock_recv_redundant_info': 2457 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); | ^~~~~~~~~~~~~ include/net/sock.h:2457:29: note: each undeclared identifier is reported only once for each function it appears in net//dsa/tag_8021q.c: At top level: net//dsa/tag_8021q.c:65:5: warning: no previous prototype for 'dsa_8021q_tx_vid' [-Wmissing-prototypes] 65 | u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port) | ^~~~~~~~~~~~~~~~ net//dsa/tag_8021q.c:75:5: warning: no previous prototype for 'dsa_8021q_rx_vid' [-Wmissing-prototypes] 75 | u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port) | ^~~~~~~~~~~~~~~~ net//dsa/tag_8021q.c:83:5: warning: no previous prototype for 'dsa_8021q_rx_switch_id' [-Wmissing-prototypes] 83 | int dsa_8021q_rx_switch_id(u16 vid) | ^~~~~~~~~~~~~~~~~~~~~~ net//dsa/tag_8021q.c:90:5: warning: no previous prototype for 'dsa_8021q_rx_source_port' [-Wmissing-prototypes] 90 | int dsa_8021q_rx_source_port(u16 vid) | ^~~~~~~~~~~~~~~~~~~~~~~~ net//dsa/tag_8021q.c:221:5: warning: no previous prototype for 'dsa_port_setup_8021q_tagging' [-Wmissing-prototypes] 221 | int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int port, bool enabled) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ net//dsa/tag_8021q.c:292:17: warning: no previous prototype for 'dsa_8021q_xmit' [-Wmissing-prototypes] 292 | struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, | ^~~~~~~~~~~~~~ -- In file included from include/linux/mm.h:99, from net//ipv4/route.c:68: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ In file included from include/linux/mroute_base.h:8, from include/linux/mroute.h:10, from net//ipv4/route.c:82: include/net/sock.h: In function 'sock_recv_redundant_info': 2457 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); | ^~~~~~~~~~~~~ include/net/sock.h:2457:29: note: each undeclared identifier is reported only once for each function it appears in net//ipv4/route.c: In function 'ip_rt_send_redirect': net//ipv4/route.c:875:6: warning: variable 'log_martians' set but not used [-Wunused-but-set-variable] 875 | int log_martians; | ^~~~~~~~~~~~ -- In file included from include/linux/mm.h:99, from net//ipv6/af_inet6.c:31: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ In file included from include/linux/tcp.h:19, from include/net/tcp.h:20, from include/linux/netfilter_ipv6.h:11, from net//ipv6/af_inet6.c:41: include/net/sock.h: In function 'sock_recv_redundant_info': 2457 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred); | ^~~~~~~~~~~~~ include/net/sock.h:2457:29: note: each undeclared identifier is reported only once for each function it appears in net//ipv6/af_inet6.c: At top level: net//ipv6/af_inet6.c:569:5: warning: no previous prototype for 'inet6_sendmsg' [-Wmissing-prototypes] 569 | int inet6_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) | ^~~~~~~~~~~~~ net//ipv6/af_inet6.c:582:5: warning: no previous prototype for 'inet6_recvmsg' [-Wmissing-prototypes] 582 | int inet6_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, | ^~~~~~~~~~~~~ .. vim +/SCM_REDUNDANT +2457 include/net/sock.h 2449 2450 static inline void sock_recv_redundant_info(struct msghdr *msg, struct sock *sk, 2451 struct sk_buff *skb) 2452 { 2453 struct skb_redundant_info *sred; 2454 2455 sred = skb_redinfo(skb); 2456 if (sred->lsdu_size) 2458 } 2459 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org