Hi Matthew, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] [also build test ERROR on next-20200117] [cannot apply to bpf/master net-next/master net/master linus/master sparc-next/master v5.5-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Matthew-Cover/bpf-add-bpf_ct_lookup_-tcp-udp-helpers/20200118-153032 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: i386-alldefconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-3) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): ld: init/do_mounts.o: in function `bpf_nf_conn_is_valid_access': >> do_mounts.c:(.text+0x70): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: init/do_mounts.o: in function `bpf_nf_conn_convert_ctx_access': >> do_mounts.c:(.text+0x80): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: init/noinitramfs.o: in function `bpf_nf_conn_is_valid_access': noinitramfs.c:(.text+0x0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: init/noinitramfs.o: in function `bpf_nf_conn_convert_ctx_access': noinitramfs.c:(.text+0x10): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/entry/common.o: in function `bpf_nf_conn_is_valid_access': common.c:(.text+0x2b0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/entry/common.o: in function `bpf_nf_conn_convert_ctx_access': common.c:(.text+0x2c0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/core.o: in function `bpf_nf_conn_is_valid_access': core.c:(.text+0xbe0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/core.o: in function `bpf_nf_conn_convert_ctx_access': core.c:(.text+0xbf0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/amd/core.o: in function `bpf_nf_conn_is_valid_access': core.c:(.text+0x8f0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/amd/core.o: in function `bpf_nf_conn_convert_ctx_access': core.c:(.text+0x900): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/amd/uncore.o: in function `bpf_nf_conn_is_valid_access': uncore.c:(.text+0x8d0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/amd/uncore.o: in function `bpf_nf_conn_convert_ctx_access': uncore.c:(.text+0x8e0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/intel/core.o: in function `bpf_nf_conn_is_valid_access': core.c:(.text+0x1d40): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/intel/core.o: in function `bpf_nf_conn_convert_ctx_access': core.c:(.text+0x1d50): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/intel/bts.o: in function `bpf_nf_conn_is_valid_access': bts.c:(.text+0x9c0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/intel/bts.o: in function `bpf_nf_conn_convert_ctx_access': bts.c:(.text+0x9d0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/intel/ds.o: in function `bpf_nf_conn_is_valid_access': ds.c:(.text+0x1920): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/intel/ds.o: in function `bpf_nf_conn_convert_ctx_access': ds.c:(.text+0x1930): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/intel/knc.o: in function `bpf_nf_conn_is_valid_access': knc.c:(.text+0x340): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/intel/knc.o: in function `bpf_nf_conn_convert_ctx_access': knc.c:(.text+0x350): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/intel/lbr.o: in function `bpf_nf_conn_is_valid_access': lbr.c:(.text+0x680): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/intel/lbr.o: in function `bpf_nf_conn_convert_ctx_access': lbr.c:(.text+0x690): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/intel/p4.o: in function `bpf_nf_conn_is_valid_access': p4.c:(.text+0x7d0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/intel/p4.o: in function `bpf_nf_conn_convert_ctx_access': p4.c:(.text+0x7e0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/intel/p6.o: in function `bpf_nf_conn_is_valid_access': p6.c:(.text+0x170): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/intel/p6.o: in function `bpf_nf_conn_convert_ctx_access': p6.c:(.text+0x180): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/events/intel/pt.o: in function `bpf_nf_conn_is_valid_access': pt.c:(.text+0x1a70): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/events/intel/pt.o: in function `bpf_nf_conn_convert_ctx_access': pt.c:(.text+0x1a80): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/process_32.o: in function `bpf_nf_conn_is_valid_access': process_32.c:(.text+0x0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/process_32.o: in function `bpf_nf_conn_convert_ctx_access': process_32.c:(.text+0x10): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/signal.o: in function `bpf_nf_conn_is_valid_access': signal.c:(.text+0x270): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/signal.o: in function `bpf_nf_conn_convert_ctx_access': signal.c:(.text+0x280): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/ioport.o: in function `bpf_nf_conn_is_valid_access': ioport.c:(.text+0x40): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/ioport.o: in function `bpf_nf_conn_convert_ctx_access': ioport.c:(.text+0x50): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/ldt.o: in function `bpf_nf_conn_is_valid_access': ldt.c:(.text+0x4c0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/ldt.o: in function `bpf_nf_conn_convert_ctx_access': ldt.c:(.text+0x4d0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/setup.o: in function `bpf_nf_conn_is_valid_access': setup.c:(.text+0x60): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/setup.o: in function `bpf_nf_conn_convert_ctx_access': setup.c:(.text+0x70): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/e820.o: in function `bpf_nf_conn_is_valid_access': e820.c:(.text+0x0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/e820.o: in function `bpf_nf_conn_convert_ctx_access': e820.c:(.text+0x10): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/hw_breakpoint.o: in function `bpf_nf_conn_is_valid_access': hw_breakpoint.c:(.text+0x0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/hw_breakpoint.o: in function `bpf_nf_conn_convert_ctx_access': hw_breakpoint.c:(.text+0x10): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/process.o: in function `bpf_nf_conn_is_valid_access': process.c:(.text+0xe0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/process.o: in function `bpf_nf_conn_convert_ctx_access': process.c:(.text+0xf0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/ptrace.o: in function `bpf_nf_conn_is_valid_access': ptrace.c:(.text+0x690): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/ptrace.o: in function `bpf_nf_conn_convert_ctx_access': ptrace.c:(.text+0x6a0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/tls.o: in function `bpf_nf_conn_is_valid_access': tls.c:(.text+0x2b0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/tls.o: in function `bpf_nf_conn_convert_ctx_access': tls.c:(.text+0x2c0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/cpu/umwait.o: in function `bpf_nf_conn_is_valid_access': umwait.c:(.text+0x210): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/cpu/umwait.o: in function `bpf_nf_conn_convert_ctx_access': umwait.c:(.text+0x220): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here ld: arch/x86/kernel/reboot.o: in function `bpf_nf_conn_is_valid_access': reboot.c:(.text+0xb0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here ld: arch/x86/kernel/reboot.o: in function `bpf_nf_conn_convert_ctx_access': reboot.c:(.text+0xc0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation