tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 59fa6a163ffabc1bf25c5e0e33899e268a96d3cc commit: f565ff38e736c333c6ad4deca3e00ed402682654 [6041/6048] mm: introduce memfd_secret system call to create "secret" memory areas config: arm64-randconfig-r026-20210202 (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=f565ff38e736c333c6ad4deca3e00ed402682654 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 f565ff38e736c333c6ad4deca3e00ed402682654 # 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:323:1: note: in expansion of macro 'COND_SYSCALL' 323 | COND_SYSCALL(process_vm_readv); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:41:25: warning: no previous prototype for '__arm64_compat_sys_process_vm_readv' [-Wmissing-prototypes] 41 | asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:324:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 324 | COND_SYSCALL_COMPAT(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:325:1: note: in expansion of macro 'COND_SYSCALL' 325 | COND_SYSCALL(process_vm_writev); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:41:25: warning: no previous prototype for '__arm64_compat_sys_process_vm_writev' [-Wmissing-prototypes] 41 | asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:326:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 326 | COND_SYSCALL_COMPAT(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:329:1: note: in expansion of macro 'COND_SYSCALL' 329 | 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:331:1: note: in expansion of macro 'COND_SYSCALL' 331 | 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:334:1: note: in expansion of macro 'COND_SYSCALL' 334 | 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:336:1: note: in expansion of macro 'COND_SYSCALL' 336 | 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:339:1: note: in expansion of macro 'COND_SYSCALL' 339 | 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:342:1: note: in expansion of macro 'COND_SYSCALL' 342 | 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:344:1: note: in expansion of macro 'COND_SYSCALL' 344 | 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:347:1: note: in expansion of macro 'COND_SYSCALL' 347 | 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:349:1: note: in expansion of macro 'COND_SYSCALL' 349 | 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:351:1: note: in expansion of macro 'COND_SYSCALL' 351 | 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:354:1: note: in expansion of macro 'COND_SYSCALL' 354 | 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:355:1: note: in expansion of macro 'COND_SYSCALL' 355 | 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:356:1: note: in expansion of macro 'COND_SYSCALL' 356 | 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:359:1: note: in expansion of macro 'COND_SYSCALL' 359 | 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:366:1: note: in expansion of macro 'COND_SYSCALL' 366 | 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:367:1: note: in expansion of macro 'COND_SYSCALL' 367 | 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:368:1: note: in expansion of macro 'COND_SYSCALL' 368 | 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:371:1: note: in expansion of macro 'COND_SYSCALL' 371 | COND_SYSCALL(socketcall); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:41:25: warning: no previous prototype for '__arm64_compat_sys_socketcall' [-Wmissing-prototypes] 41 | asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:372:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 372 | COND_SYSCALL_COMPAT(socketcall); | ^~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:41:25: warning: no previous prototype for '__arm64_compat_sys_fanotify_mark' [-Wmissing-prototypes] 41 | asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:375:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 375 | COND_SYSCALL_COMPAT(fanotify_mark); | ^~~~~~~~~~~~~~~~~~~ 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:378:1: note: in expansion of macro 'COND_SYSCALL' 378 | 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:379:1: note: in expansion of macro 'COND_SYSCALL' 379 | 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:380:1: note: in expansion of macro 'COND_SYSCALL' 380 | 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:381:1: note: in expansion of macro 'COND_SYSCALL' 381 | 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:384:1: note: in expansion of macro 'COND_SYSCALL' 384 | 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:385:1: note: in expansion of macro 'COND_SYSCALL' 385 | 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:386:1: note: in expansion of macro 'COND_SYSCALL' 386 | COND_SYSCALL(s390_ipc); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:41:25: warning: no previous prototype for '__arm64_compat_sys_s390_ipc' [-Wmissing-prototypes] 41 | asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:387:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 387 | COND_SYSCALL_COMPAT(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:390:1: note: in expansion of macro 'COND_SYSCALL' 390 | 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:391:1: note: in expansion of macro 'COND_SYSCALL' 391 | COND_SYSCALL(spu_run); vim +/__arm64_sys_memfd_secret +76 arch/arm64/include/asm/syscall_wrapper.h 4378a7d4be30ec Mark Rutland 2018-07-11 50 4378a7d4be30ec Mark Rutland 2018-07-11 51 #define __SYSCALL_DEFINEx(x, name, ...) \ 4378a7d4be30ec Mark Rutland 2018-07-11 52 asmlinkage long __arm64_sys##name(const struct pt_regs *regs); \ 4378a7d4be30ec Mark Rutland 2018-07-11 53 ALLOW_ERROR_INJECTION(__arm64_sys##name, ERRNO); \ 4378a7d4be30ec Mark Rutland 2018-07-11 54 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ 4378a7d4be30ec Mark Rutland 2018-07-11 55 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ 4378a7d4be30ec Mark Rutland 2018-07-11 56 asmlinkage long __arm64_sys##name(const struct pt_regs *regs) \ 4378a7d4be30ec Mark Rutland 2018-07-11 57 { \ 4378a7d4be30ec Mark Rutland 2018-07-11 58 return __se_sys##name(SC_ARM64_REGS_TO_ARGS(x,__VA_ARGS__)); \ 4378a7d4be30ec Mark Rutland 2018-07-11 59 } \ 4378a7d4be30ec Mark Rutland 2018-07-11 60 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 4378a7d4be30ec Mark Rutland 2018-07-11 61 { \ 4378a7d4be30ec Mark Rutland 2018-07-11 62 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \ 4378a7d4be30ec Mark Rutland 2018-07-11 63 __MAP(x,__SC_TEST,__VA_ARGS__); \ 4378a7d4be30ec Mark Rutland 2018-07-11 64 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ 4378a7d4be30ec Mark Rutland 2018-07-11 65 return ret; \ 4378a7d4be30ec Mark Rutland 2018-07-11 66 } \ 4378a7d4be30ec Mark Rutland 2018-07-11 67 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 4378a7d4be30ec Mark Rutland 2018-07-11 68 4378a7d4be30ec Mark Rutland 2018-07-11 69 #define SYSCALL_DEFINE0(sname) \ 4378a7d4be30ec Mark Rutland 2018-07-11 70 SYSCALL_METADATA(_##sname, 0); \ 0e358bd7b7ebd2 Sami Tolvanen 2019-05-24 71 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused); \ 4378a7d4be30ec Mark Rutland 2018-07-11 72 ALLOW_ERROR_INJECTION(__arm64_sys_##sname, ERRNO); \ 0e358bd7b7ebd2 Sami Tolvanen 2019-05-24 73 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused) 4378a7d4be30ec Mark Rutland 2018-07-11 74 c27eccfe4d6c74 Sami Tolvanen 2019-09-10 75 #define COND_SYSCALL(name) \ c27eccfe4d6c74 Sami Tolvanen 2019-09-10 @76 asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ c27eccfe4d6c74 Sami Tolvanen 2019-09-10 77 { \ c27eccfe4d6c74 Sami Tolvanen 2019-09-10 78 return sys_ni_syscall(); \ c27eccfe4d6c74 Sami Tolvanen 2019-09-10 79 } 4378a7d4be30ec 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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