This kind of warnings will be fixed with https://lore.kernel.org/lkml/20210301131533.64671-2-masahiroy@xxxxxxxxxx/ On 19/03/2021 05:56, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git landlock_lsm > head: f642729df39003efe2a9bfa341a95759d712eb35 > commit: c5eafae25eb54cc5354f0675a88a34f03c08f559 [8/12] landlock: Add syscall implementations > config: arm64-randconfig-r033-20210318 (attached as .config) > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project fcc1ce00931751ac02498986feb37744e9ace8de) > 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 arm64 cross compiling tool for clang build > # apt-get install binutils-aarch64-linux-gnu > # https://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git/commit/?id=c5eafae25eb54cc5354f0675a88a34f03c08f559 > git remote add security https://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git > git fetch --no-tags security landlock_lsm > git checkout c5eafae25eb54cc5354f0675a88a34f03c08f559 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:21:1: note: expanded from here > __arm64_sys_shutdown > ^ > kernel/sys_ni.c:250:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:251:1: warning: no previous prototype for function '__arm64_sys_recvfrom' [-Wmissing-prototypes] > COND_SYSCALL(recvfrom); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:22:1: note: expanded from here > __arm64_sys_recvfrom > ^ > kernel/sys_ni.c:251:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:253:1: warning: no previous prototype for function '__arm64_sys_sendmsg' [-Wmissing-prototypes] > COND_SYSCALL(sendmsg); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:27:1: note: expanded from here > __arm64_sys_sendmsg > ^ > kernel/sys_ni.c:253:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:255:1: warning: no previous prototype for function '__arm64_sys_recvmsg' [-Wmissing-prototypes] > COND_SYSCALL(recvmsg); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:32:1: note: expanded from here > __arm64_sys_recvmsg > ^ > kernel/sys_ni.c:255:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:261:1: warning: no previous prototype for function '__arm64_sys_mremap' [-Wmissing-prototypes] > COND_SYSCALL(mremap); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:37:1: note: expanded from here > __arm64_sys_mremap > ^ > kernel/sys_ni.c:261:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:264:1: warning: no previous prototype for function '__arm64_sys_add_key' [-Wmissing-prototypes] > COND_SYSCALL(add_key); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:38:1: note: expanded from here > __arm64_sys_add_key > ^ > kernel/sys_ni.c:264:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:265:1: warning: no previous prototype for function '__arm64_sys_request_key' [-Wmissing-prototypes] > COND_SYSCALL(request_key); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:39:1: note: expanded from here > __arm64_sys_request_key > ^ > kernel/sys_ni.c:265:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:266:1: warning: no previous prototype for function '__arm64_sys_keyctl' [-Wmissing-prototypes] > COND_SYSCALL(keyctl); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:40:1: note: expanded from here > __arm64_sys_keyctl > ^ > kernel/sys_ni.c:266:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ >>> kernel/sys_ni.c:270:1: warning: no previous prototype for function '__arm64_sys_landlock_create_ruleset' [-Wmissing-prototypes] > COND_SYSCALL(landlock_create_ruleset); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:45:1: note: expanded from here > __arm64_sys_landlock_create_ruleset > ^ > kernel/sys_ni.c:270:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ >>> kernel/sys_ni.c:271:1: warning: no previous prototype for function '__arm64_sys_landlock_add_rule' [-Wmissing-prototypes] > COND_SYSCALL(landlock_add_rule); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:46:1: note: expanded from here > __arm64_sys_landlock_add_rule > ^ > kernel/sys_ni.c:271:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ >>> kernel/sys_ni.c:272:1: warning: no previous prototype for function '__arm64_sys_landlock_restrict_self' [-Wmissing-prototypes] > COND_SYSCALL(landlock_restrict_self); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:47:1: note: expanded from here > __arm64_sys_landlock_restrict_self > ^ > kernel/sys_ni.c:272:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:277:1: warning: no previous prototype for function '__arm64_sys_fadvise64_64' [-Wmissing-prototypes] > COND_SYSCALL(fadvise64_64); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:48:1: note: expanded from here > __arm64_sys_fadvise64_64 > ^ > kernel/sys_ni.c:277:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:280:1: warning: no previous prototype for function '__arm64_sys_swapon' [-Wmissing-prototypes] > COND_SYSCALL(swapon); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:49:1: note: expanded from here > __arm64_sys_swapon > ^ > kernel/sys_ni.c:280:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:281:1: warning: no previous prototype for function '__arm64_sys_swapoff' [-Wmissing-prototypes] > COND_SYSCALL(swapoff); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:50:1: note: expanded from here > __arm64_sys_swapoff > ^ > kernel/sys_ni.c:281:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:282:1: warning: no previous prototype for function '__arm64_sys_mprotect' [-Wmissing-prototypes] > COND_SYSCALL(mprotect); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:51:1: note: expanded from here > __arm64_sys_mprotect > ^ > kernel/sys_ni.c:282:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:283:1: warning: no previous prototype for function '__arm64_sys_msync' [-Wmissing-prototypes] > COND_SYSCALL(msync); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:52:1: note: expanded from here > __arm64_sys_msync > ^ > kernel/sys_ni.c:283:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:284:1: warning: no previous prototype for function '__arm64_sys_mlock' [-Wmissing-prototypes] > COND_SYSCALL(mlock); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:53:1: note: expanded from here > __arm64_sys_mlock > ^ > kernel/sys_ni.c:284:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > kernel/sys_ni.c:285:1: warning: no previous prototype for function '__arm64_sys_munlock' [-Wmissing-prototypes] > COND_SYSCALL(munlock); > ^ > arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' > asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ > ^ > <scratch space>:54:1: note: expanded from here > __arm64_sys_munlock > ^ > kernel/sys_ni.c:285:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > > > vim +/__arm64_sys_landlock_create_ruleset +270 kernel/sys_ni.c > > 268 > 269 /* security/landlock/syscalls.c */ > > 270 COND_SYSCALL(landlock_create_ruleset); > > 271 COND_SYSCALL(landlock_add_rule); > > 272 COND_SYSCALL(landlock_restrict_self); > 273 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx >
