tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: fb0ca446157a86b75502c1636b0d81e642fe6bf1 commit: 0f01c4e64cbdedb84c5c14641e965f791d21c13a [14043/14098] mm: introduce memfd_secret system call to create "secret" memory areas config: arm64-buildonly-randconfig-r002-20210701 (attached as .config) compiler: aarch64-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 # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=0f01c4e64cbdedb84c5c14641e965f791d21c13a git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 0f01c4e64cbdedb84c5c14641e965f791d21c13a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 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 >>): | ^~~~~~~~~~~~ kernel/sys_ni.c:321:1: note: in expansion of macro 'COND_SYSCALL' 321 | COND_SYSCALL(open_by_handle_at); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_sendmmsg' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:324:1: note: in expansion of macro 'COND_SYSCALL' 324 | COND_SYSCALL(sendmmsg); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_process_vm_readv' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:326:1: note: in expansion of macro 'COND_SYSCALL' 326 | COND_SYSCALL(process_vm_readv); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_process_vm_writev' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:328:1: note: in expansion of macro 'COND_SYSCALL' 328 | COND_SYSCALL(process_vm_writev); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_kcmp' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:332:1: note: in expansion of macro 'COND_SYSCALL' 332 | COND_SYSCALL(kcmp); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_finit_module' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:334:1: note: in expansion of macro 'COND_SYSCALL' 334 | COND_SYSCALL(finit_module); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_seccomp' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:337:1: note: in expansion of macro 'COND_SYSCALL' 337 | COND_SYSCALL(seccomp); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_memfd_create' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:339:1: note: in expansion of macro 'COND_SYSCALL' 339 | COND_SYSCALL(memfd_create); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_bpf' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:342:1: note: in expansion of macro 'COND_SYSCALL' 342 | COND_SYSCALL(bpf); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_execveat' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:345:1: note: in expansion of macro 'COND_SYSCALL' 345 | COND_SYSCALL(execveat); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_userfaultfd' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:347:1: note: in expansion of macro 'COND_SYSCALL' 347 | COND_SYSCALL(userfaultfd); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_membarrier' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:350:1: note: in expansion of macro 'COND_SYSCALL' 350 | COND_SYSCALL(membarrier); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_mlock2' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:352:1: note: in expansion of macro 'COND_SYSCALL' 352 | COND_SYSCALL(mlock2); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_copy_file_range' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:354:1: note: in expansion of macro 'COND_SYSCALL' 354 | COND_SYSCALL(copy_file_range); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pkey_mprotect' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:357:1: note: in expansion of macro 'COND_SYSCALL' 357 | COND_SYSCALL(pkey_mprotect); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pkey_alloc' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:358:1: note: in expansion of macro 'COND_SYSCALL' 358 | COND_SYSCALL(pkey_alloc); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pkey_free' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:359:1: note: in expansion of macro 'COND_SYSCALL' 359 | COND_SYSCALL(pkey_free); | ^~~~~~~~~~~~ >> arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_memfd_secret' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:362:1: note: in expansion of macro 'COND_SYSCALL' 362 | COND_SYSCALL(memfd_secret); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pciconfig_read' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:369:1: note: in expansion of macro 'COND_SYSCALL' 369 | COND_SYSCALL(pciconfig_read); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pciconfig_write' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:370:1: note: in expansion of macro 'COND_SYSCALL' 370 | COND_SYSCALL(pciconfig_write); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pciconfig_iobase' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:371:1: note: in expansion of macro 'COND_SYSCALL' 371 | COND_SYSCALL(pciconfig_iobase); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_socketcall' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:374:1: note: in expansion of macro 'COND_SYSCALL' 374 | COND_SYSCALL(socketcall); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_vm86old' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:381:1: note: in expansion of macro 'COND_SYSCALL' 381 | COND_SYSCALL(vm86old); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_modify_ldt' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:382:1: note: in expansion of macro 'COND_SYSCALL' 382 | COND_SYSCALL(modify_ldt); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_vm86' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:383:1: note: in expansion of macro 'COND_SYSCALL' 383 | COND_SYSCALL(vm86); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_kexec_file_load' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:384:1: note: in expansion of macro 'COND_SYSCALL' 384 | COND_SYSCALL(kexec_file_load); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_s390_pci_mmio_read' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:387:1: note: in expansion of macro 'COND_SYSCALL' 387 | COND_SYSCALL(s390_pci_mmio_read); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_s390_pci_mmio_write' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:388:1: note: in expansion of macro 'COND_SYSCALL' 388 | COND_SYSCALL(s390_pci_mmio_write); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_s390_ipc' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:389:1: note: in expansion of macro 'COND_SYSCALL' 389 | COND_SYSCALL(s390_ipc); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_rtas' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:393:1: note: in expansion of macro 'COND_SYSCALL' 393 | COND_SYSCALL(rtas); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_spu_run' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:394:1: note: in expansion of macro 'COND_SYSCALL' 394 | COND_SYSCALL(spu_run); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_spu_create' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:395:1: note: in expansion of macro 'COND_SYSCALL' 395 | COND_SYSCALL(spu_create); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_subpage_prot' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:396:1: note: in expansion of macro 'COND_SYSCALL' 396 | COND_SYSCALL(subpage_prot); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_epoll_create' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:405:1: note: in expansion of macro 'COND_SYSCALL' 405 | COND_SYSCALL(epoll_create); vim +/__arm64_sys_memfd_secret +76 arch/arm64/include/asm/syscall_wrapper.h 4378a7d4be30ec6 Mark Rutland 2018-07-11 50 4378a7d4be30ec6 Mark Rutland 2018-07-11 51 #define __SYSCALL_DEFINEx(x, name, ...) \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 52 asmlinkage long __arm64_sys##name(const struct pt_regs *regs); \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 53 ALLOW_ERROR_INJECTION(__arm64_sys##name, ERRNO); \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 54 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 55 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 56 asmlinkage long __arm64_sys##name(const struct pt_regs *regs) \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 57 { \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 58 return __se_sys##name(SC_ARM64_REGS_TO_ARGS(x,__VA_ARGS__)); \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 59 } \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 60 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 61 { \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 62 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 63 __MAP(x,__SC_TEST,__VA_ARGS__); \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 64 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 65 return ret; \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 66 } \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 67 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 4378a7d4be30ec6 Mark Rutland 2018-07-11 68 4378a7d4be30ec6 Mark Rutland 2018-07-11 69 #define SYSCALL_DEFINE0(sname) \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 70 SYSCALL_METADATA(_##sname, 0); \ 0e358bd7b7ebd27 Sami Tolvanen 2019-05-24 71 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused); \ 4378a7d4be30ec6 Mark Rutland 2018-07-11 72 ALLOW_ERROR_INJECTION(__arm64_sys_##sname, ERRNO); \ 0e358bd7b7ebd27 Sami Tolvanen 2019-05-24 73 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused) 4378a7d4be30ec6 Mark Rutland 2018-07-11 74 c27eccfe4d6c748 Sami Tolvanen 2019-09-10 75 #define COND_SYSCALL(name) \ c27eccfe4d6c748 Sami Tolvanen 2019-09-10 @76 asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ c27eccfe4d6c748 Sami Tolvanen 2019-09-10 77 { \ c27eccfe4d6c748 Sami Tolvanen 2019-09-10 78 return sys_ni_syscall(); \ c27eccfe4d6c748 Sami Tolvanen 2019-09-10 79 } 4378a7d4be30ec6 Mark Rutland 2018-07-11 80 :::::: The code at line 76 was first introduced by commit :::::: c27eccfe4d6c7481ce99f1c433ca043ab464080a arm64: fix function types in COND_SYSCALL :::::: TO: Sami Tolvanen <samitolvanen@xxxxxxxxxx> :::::: CC: Will Deacon <will@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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