Re: [PATCH v9] mm: Optional full ASLR for mmap(), mremap(), vdso, stack and heap

From: kernel test robot
Date: Mon Jan 04 2021 - 15:05:56 EST

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In reply to: Topi Miettinen: "[PATCH v9] mm: Optional full ASLR for mmap(), mremap(), vdso, stack and heap"
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Hi Topi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on 2c85ebc57b3e1817b6ce1a6b703928e113a90442]

url: https://github.com/0day-ci/linux/commits/Topi-Miettinen/mm-Optional-full-ASLR-for-mmap-mremap-vdso-stack-and-heap/20210104-235438
base: 2c85ebc57b3e1817b6ce1a6b703928e113a90442
config: powerpc-randconfig-s032-20210105 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-184-g1b896707-dirty
# https://github.com/0day-ci/linux/commit/d65e085d04e2aace153b42d29d44f3711481c9ad
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Topi-Miettinen/mm-Optional-full-ASLR-for-mmap-mremap-vdso-stack-and-heap/20210104-235438
git checkout d65e085d04e2aace153b42d29d44f3711481c9ad
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from include/linux/mman.h:5,
from arch/powerpc/kernel/asm-offsets.c:21:
include/linux/mm.h: In function 'can_randomize_full':
>> include/linux/mm.h:2995:35: error: 'ADDR_NO_RANDOMIZE' undeclared (first use in this function); did you mean 'KERN_RANDOMIZE'?
2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT
| ^~~~~~~~~~~~~~~~~
| KERN_RANDOMIZE
include/linux/mm.h:2995:35: note: each undeclared identifier is reported only once for each function it appears in
>> include/linux/mm.h:2995:55: error: 'ADDR_COMPAT_LAYOUT' undeclared (first use in this function)
2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT
| ^~~~~~~~~~~~~~~~~~
>> include/linux/mm.h:2996:9: error: 'ADDR_LIMIT_32BIT' undeclared (first use in this function)
2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB))
| ^~~~~~~~~~~~~~~~
>> include/linux/mm.h:2996:28: error: 'ADDR_LIMIT_3GB' undeclared (first use in this function)
2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB))
| ^~~~~~~~~~~~~~
>> include/linux/mm.h:2997:36: error: implicit declaration of function 'in_32bit_syscall'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration]
2997 | && !(IS_ENABLED(CONFIG_64BIT) && in_32bit_syscall())
| ^~~~~~~~~~~~~~~~
| in_compat_syscall
cc1: some warnings being treated as errors
--
In file included from include/linux/mman.h:5,
from arch/powerpc/kernel/asm-offsets.c:21:
include/linux/mm.h: In function 'can_randomize_full':
>> include/linux/mm.h:2995:35: error: 'ADDR_NO_RANDOMIZE' undeclared (first use in this function); did you mean 'KERN_RANDOMIZE'?
2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT
| ^~~~~~~~~~~~~~~~~
| KERN_RANDOMIZE
include/linux/mm.h:2995:35: note: each undeclared identifier is reported only once for each function it appears in
>> include/linux/mm.h:2995:55: error: 'ADDR_COMPAT_LAYOUT' undeclared (first use in this function)
2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT
| ^~~~~~~~~~~~~~~~~~
>> include/linux/mm.h:2996:9: error: 'ADDR_LIMIT_32BIT' undeclared (first use in this function)
2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB))
| ^~~~~~~~~~~~~~~~
>> include/linux/mm.h:2996:28: error: 'ADDR_LIMIT_3GB' undeclared (first use in this function)
2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB))
| ^~~~~~~~~~~~~~
>> include/linux/mm.h:2997:36: error: implicit declaration of function 'in_32bit_syscall'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration]
2997 | && !(IS_ENABLED(CONFIG_64BIT) && in_32bit_syscall())
| ^~~~~~~~~~~~~~~~
| in_compat_syscall
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1206: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr]
scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr]
In file included from include/linux/mman.h:5,
from arch/powerpc/kernel/asm-offsets.c:21:
include/linux/mm.h: In function 'can_randomize_full':
>> include/linux/mm.h:2995:35: error: 'ADDR_NO_RANDOMIZE' undeclared (first use in this function); did you mean 'KERN_RANDOMIZE'?
2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT
| ^~~~~~~~~~~~~~~~~
| KERN_RANDOMIZE
include/linux/mm.h:2995:35: note: each undeclared identifier is reported only once for each function it appears in
>> include/linux/mm.h:2995:55: error: 'ADDR_COMPAT_LAYOUT' undeclared (first use in this function)
2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT
| ^~~~~~~~~~~~~~~~~~
>> include/linux/mm.h:2996:9: error: 'ADDR_LIMIT_32BIT' undeclared (first use in this function)
2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB))
| ^~~~~~~~~~~~~~~~
>> include/linux/mm.h:2996:28: error: 'ADDR_LIMIT_3GB' undeclared (first use in this function)
2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB))
| ^~~~~~~~~~~~~~
>> include/linux/mm.h:2997:36: error: implicit declaration of function 'in_32bit_syscall'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration]
2997 | && !(IS_ENABLED(CONFIG_64BIT) && in_32bit_syscall())
| ^~~~~~~~~~~~~~~~
| in_compat_syscall
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1206: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.

vim +2995 include/linux/mm.h

2986
2987 #ifndef CONFIG_MMU
2988 #define randomize_va_space 0
2989 static inline bool can_randomize_full(void) { return false; }
2990 #else
2991 extern int randomize_va_space;
2992 static inline bool can_randomize_full(void)
2993 {
2994 /* Don't randomize 32 bit applications */
> 2995 return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT
> 2996 | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB))
> 2997 && !(IS_ENABLED(CONFIG_64BIT) && in_32bit_syscall())
2998 && randomize_va_space == 3;
2999 }
3000 #endif
3001

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip

Next message: Alexandre Ghiti: "[RFC PATCH 06/12] riscv: Prepare ptdump for vm layout dynamic addresses"
Previous message: Bean Huo: "Re: [PATCH 2/2] scsi: ufs: Protect PM ops and err_handler from user access through sysfs"
In reply to: Topi Miettinen: "[PATCH v9] mm: Optional full ASLR for mmap(), mremap(), vdso, stack and heap"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]