* [stable:linux-6.1.y 1681/3954] arch/arm64/include/asm/pgtable.h:871:44: error: call to undeclared function 'pud_user_exec'; ISO C99 and later do not support implicit function declarations
@ 2023-03-16 4:57 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-03-16 4:57 UTC (permalink / raw)
To: Liu Shixin; +Cc: llvm, oe-kbuild-all, Greg Kroah-Hartman, Will Deacon
Hi Liu,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.1.y
head: 6449a0ba6843fe70523eeb7855984054f36f6d24
commit: a006aaffd78ff70efcffa44e325633c0840b2bf2 [1681/3954] arm64/mm: add pud_user_exec() check in pud_user_accessible_page()
config: arm64-randconfig-r014-20230313 (https://download.01.org/0day-ci/archive/20230316/202303161254.Ys9jR4Sq-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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/stable/linux-stable.git/commit/?id=a006aaffd78ff70efcffa44e325633c0840b2bf2
git remote add stable https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
git fetch --no-tags stable linux-6.1.y
git checkout a006aaffd78ff70efcffa44e325633c0840b2bf2
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303161254.Ys9jR4Sq-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:18:
In file included from include/linux/crash_core.h:6:
In file included from include/linux/elfcore.h:11:
In file included from include/linux/ptrace.h:10:
In file included from include/linux/pid_namespace.h:7:
In file included from include/linux/mm.h:29:
In file included from include/linux/pgtable.h:6:
>> arch/arm64/include/asm/pgtable.h:871:44: error: call to undeclared function 'pud_user_exec'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return pud_leaf(pud) && (pud_user(pud) || pud_user_exec(pud));
^
In file included from arch/arm64/kernel/asm-offsets.c:15:
In file included from include/linux/kvm_host.h:32:
In file included from include/linux/ftrace.h:23:
In file included from arch/arm64/include/asm/ftrace.h:53:
include/linux/compat.h:456:22: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:15:
In file included from include/linux/kvm_host.h:32:
In file included from include/linux/ftrace.h:23:
In file included from arch/arm64/include/asm/ftrace.h:53:
include/linux/compat.h:456:10: warning: array index 7 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:456:42: warning: array index 6 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:456:53: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:15:
In file included from include/linux/kvm_host.h:32:
In file included from include/linux/ftrace.h:23:
In file included from arch/arm64/include/asm/ftrace.h:53:
include/linux/compat.h:458:22: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:15:
In file included from include/linux/kvm_host.h:32:
In file included from include/linux/ftrace.h:23:
In file included from arch/arm64/include/asm/ftrace.h:53:
include/linux/compat.h:458:10: warning: array index 5 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:458:42: warning: array index 4 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:458:53: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:15:
In file included from include/linux/kvm_host.h:32:
In file included from include/linux/ftrace.h:23:
In file included from arch/arm64/include/asm/ftrace.h:53:
include/linux/compat.h:460:22: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:15:
In file included from include/linux/kvm_host.h:32:
In file included from include/linux/ftrace.h:23:
In file included from arch/arm64/include/asm/ftrace.h:53:
include/linux/compat.h:460:10: warning: array index 3 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:460:42: warning: array index 2 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:460:53: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
12 warnings and 1 error generated.
make[2]: *** [scripts/Makefile.build:118: arch/arm64/kernel/asm-offsets.s] Error 1
vim +/pud_user_exec +871 arch/arm64/include/asm/pgtable.h
868
869 static inline bool pud_user_accessible_page(pud_t pud)
870 {
> 871 return pud_leaf(pud) && (pud_user(pud) || pud_user_exec(pud));
872 }
873 #endif
874
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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