Hi Andrii, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Andrii-Nakryiko/bpf-add-BPF-token-delegation-mount-options-to-BPF-FS/20230913-053240 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20230912212906.3975866-8-andrii%40kernel.org patch subject: [PATCH v4 bpf-next 07/12] bpf: consistenly use BPF token throughout BPF verifier logic config: x86_64-randconfig-074-20230914 (https://download.01.org/0day-ci/archive/20230914/202309140537.jHmBqMd6-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230914/202309140537.jHmBqMd6-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202309140537.jHmBqMd6-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/net/sock_reuseport.h:5, from include/net/tcp.h:35, from include/linux/netfilter_ipv6.h:11, from include/uapi/linux/netfilter_ipv6/ip6_tables.h:22, from include/linux/netfilter_ipv6/ip6_tables.h:23, from net/ipv6/netfilter/ip6table_filter.c:11: include/linux/filter.h: In function 'bpf_jit_blinding_enabled': >> include/linux/filter.h:1104:36: error: implicit declaration of function 'bpf_token_capable'; did you mean 'bpf_token_put'? [-Werror=implicit-function-declaration] 1104 | if (bpf_jit_harden == 1 && bpf_token_capable(prog->aux->token, CAP_BPF)) | ^~~~~~~~~~~~~~~~~ | bpf_token_put cc1: some warnings being treated as errors -- In file included from include/net/sock_reuseport.h:5, from include/net/tcp.h:35, from include/linux/netfilter_ipv6.h:11, from net/ipv6/netfilter/nf_reject_ipv6.c:12: include/linux/filter.h: In function 'bpf_jit_blinding_enabled': >> include/linux/filter.h:1104:36: error: implicit declaration of function 'bpf_token_capable'; did you mean 'bpf_token_put'? [-Werror=implicit-function-declaration] 1104 | if (bpf_jit_harden == 1 && bpf_token_capable(prog->aux->token, CAP_BPF)) | ^~~~~~~~~~~~~~~~~ | bpf_token_put net/ipv6/netfilter/nf_reject_ipv6.c: In function 'nf_send_reset6': net/ipv6/netfilter/nf_reject_ipv6.c:287:25: warning: variable 'ip6h' set but not used [-Wunused-but-set-variable] 287 | struct ipv6hdr *ip6h; | ^~~~ cc1: some warnings being treated as errors vim +1104 include/linux/filter.h 1091 1092 static inline bool bpf_jit_blinding_enabled(struct bpf_prog *prog) 1093 { 1094 /* These are the prerequisites, should someone ever have the 1095 * idea to call blinding outside of them, we make sure to 1096 * bail out. 1097 */ 1098 if (!bpf_jit_is_ebpf()) 1099 return false; 1100 if (!prog->jit_requested) 1101 return false; 1102 if (!bpf_jit_harden) 1103 return false; > 1104 if (bpf_jit_harden == 1 && bpf_token_capable(prog->aux->token, CAP_BPF)) 1105 return false; 1106 1107 return true; 1108 } 1109 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
