Hi Joey, kernel test robot noticed the following build errors: [auto build test ERROR on mcgrof/modules-next] [also build test ERROR on linus/master v6.6-rc5 next-20231012] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Joey-Jiao/module-Add-CONFIG_MODULE_LOAD_IN_SEQUENCE-option/20231011-154640 base: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git modules-next patch link: https://lore.kernel.org/r/20231011074438.6098-1-quic_jiangenj%40quicinc.com patch subject: [PATCH v2] module: Add CONFIG_MODULE_LOAD_IN_SEQUENCE option config: um-allnoconfig (https://download.01.org/0day-ci/archive/20231013/202310130236.lYbPy0lh-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231013/202310130236.lYbPy0lh-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/202310130236.lYbPy0lh-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from kernel/module/main.c:14: In file included from include/linux/trace_events.h:9: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from kernel/module/main.c:14: In file included from include/linux/trace_events.h:9: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from kernel/module/main.c:14: In file included from include/linux/trace_events.h:9: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> kernel/module/main.c:2628:1: error: function definition is not allowed here 2628 | { | ^ kernel/module/main.c:2637:1: error: function definition is not allowed here 2637 | { | ^ kernel/module/main.c:2659:1: error: function definition is not allowed here 2659 | { | ^ kernel/module/main.c:2702:1: error: function definition is not allowed here 2702 | { | ^ kernel/module/main.c:2723:1: error: function definition is not allowed here 2723 | { | ^ kernel/module/main.c:2756:1: error: function definition is not allowed here 2756 | { | ^ kernel/module/main.c:2775:1: error: function definition is not allowed here 2775 | { | ^ kernel/module/main.c:2794:1: error: function definition is not allowed here 2794 | { | ^ kernel/module/main.c:2831:1: error: function definition is not allowed here 2831 | { | ^ >> kernel/module/main.c:3039:1: error: function declared in block scope cannot have 'static' storage class 3039 | SYSCALL_DEFINE3(init_module, void __user *, umod, | ^ include/linux/syscalls.h:221:36: note: expanded from macro 'SYSCALL_DEFINE3' 221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^ include/linux/syscalls.h:230:2: note: expanded from macro 'SYSCALL_DEFINEx' 230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^ include/linux/syscalls.h:247:2: note: expanded from macro '__SYSCALL_DEFINEx' 247 | static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ | ^ kernel/module/main.c:3039:1: error: function definition is not allowed here include/linux/syscalls.h:221:36: note: expanded from macro 'SYSCALL_DEFINE3' 221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^ include/linux/syscalls.h:230:2: note: expanded from macro 'SYSCALL_DEFINEx' 230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^ include/linux/syscalls.h:250:2: note: expanded from macro '__SYSCALL_DEFINEx' 250 | { \ | ^ kernel/module/main.c:3041:1: error: function definition is not allowed here 3041 | { | ^ kernel/module/main.c:3074:1: error: function definition is not allowed here 3074 | { | ^ kernel/module/main.c:3105:1: error: function definition is not allowed here 3105 | { | ^ kernel/module/main.c:3125:1: error: function definition is not allowed here 3125 | { | ^ kernel/module/main.c:3153:1: error: function definition is not allowed here 3153 | { | ^ kernel/module/main.c:3170:1: error: function declared in block scope cannot have 'static' storage class 3170 | SYSCALL_DEFINE3(finit_module, int, fd, const char __user *, uargs, int, flags) | ^ include/linux/syscalls.h:221:36: note: expanded from macro 'SYSCALL_DEFINE3' 221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^ include/linux/syscalls.h:230:2: note: expanded from macro 'SYSCALL_DEFINEx' 230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^ include/linux/syscalls.h:247:2: note: expanded from macro '__SYSCALL_DEFINEx' 247 | static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ | ^ kernel/module/main.c:3170:1: error: function definition is not allowed here include/linux/syscalls.h:221:36: note: expanded from macro 'SYSCALL_DEFINE3' 221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) | ^ include/linux/syscalls.h:230:2: note: expanded from macro 'SYSCALL_DEFINEx' 230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^ include/linux/syscalls.h:250:2: note: expanded from macro '__SYSCALL_DEFINEx' 250 | { \ | ^ kernel/module/main.c:3171:1: error: function definition is not allowed here 3171 | { | ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 12 warnings and 20 errors generated. vim +2628 kernel/module/main.c 34e1169d996ab1 kernel/module.c Kees Cook 2012-10-16 2626 34e1169d996ab1 kernel/module.c Kees Cook 2012-10-16 2627 static int may_init_module(void) 34e1169d996ab1 kernel/module.c Kees Cook 2012-10-16 @2628 { 34e1169d996ab1 kernel/module.c Kees Cook 2012-10-16 2629 if (!capable(CAP_SYS_MODULE) || modules_disabled) 34e1169d996ab1 kernel/module.c Kees Cook 2012-10-16 2630 return -EPERM; 34e1169d996ab1 kernel/module.c Kees Cook 2012-10-16 2631 34e1169d996ab1 kernel/module.c Kees Cook 2012-10-16 2632 return 0; 34e1169d996ab1 kernel/module.c Kees Cook 2012-10-16 2633 } 34e1169d996ab1 kernel/module.c Kees Cook 2012-10-16 2634 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
