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Message-ID: <202310130236.lYbPy0lh-lkp@intel.com>
Date: Fri, 13 Oct 2023 02:24:28 +0800
From: kernel test robot <lkp@...el.com>
To: Joey Jiao <quic_jiangenj@...cinc.com>,
linux-modules@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
quic_jiangenj@...cinc.com, Luis Chamberlain <mcgrof@...nel.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] module: Add CONFIG_MODULE_LOAD_IN_SEQUENCE option
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@intel.com/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@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310130236.lYbPy0lh-lkp@intel.com/
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
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