Re: [PATCH 1/4] mm/kasan: Add CONFIG_KASAN_SOFTWARE

From: kernel test robot
Date: Wed Feb 02 2022 - 08:52:04 EST

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In reply to: Christophe Leroy: "[PATCH 4/4] [RFC] risc/kasan: Use kasan_pXX_table()"
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Hi Christophe,

I love your patch! Yet something to improve:

[auto build test ERROR on tip/sched/core]
[also build test ERROR on linus/master v5.17-rc2]
[cannot apply to hnaz-mm/master next-20220202]
[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]

url: https://github.com/0day-ci/linux/commits/Christophe-Leroy/mm-kasan-Add-CONFIG_KASAN_SOFTWARE/20220202-164612
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git ec2444530612a886b406e2830d7f314d1a07d4bb
config: x86_64-randconfig-a013-20220131 (https://download.01.org/0day-ci/archive/20220202/202202022149.BRH60mXN-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 6b1e844b69f15bb7dffaf9365cd2b355d2eb7579)
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://github.com/0day-ci/linux/commit/29c1001f88c380ea391fa5520f2ddcce35e35681
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Christophe-Leroy/mm-kasan-Add-CONFIG_KASAN_SOFTWARE/20220202-164612
git checkout 29c1001f88c380ea391fa5520f2ddcce35e35681
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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 arch/x86/boot/compressed/cmdline.c:2:
In file included from arch/x86/boot/compressed/misc.h:32:
In file included from include/linux/acpi.h:14:
In file included from include/linux/resource_ext.h:11:
In file included from include/linux/slab.h:136:
>> include/linux/kasan.h:56:41: error: use of undeclared identifier 'KASAN_SHADOW_SCALE_SHIFT'
return (void *)((unsigned long)addr >> KASAN_SHADOW_SCALE_SHIFT)
^
>> include/linux/kasan.h:57:5: error: use of undeclared identifier 'KASAN_SHADOW_OFFSET'
+ KASAN_SHADOW_OFFSET;
^
2 errors generated.
--
In file included from arch/x86/boot/compressed/pgtable_64.c:2:
In file included from arch/x86/boot/compressed/misc.h:32:
In file included from include/linux/acpi.h:14:
In file included from include/linux/resource_ext.h:11:
In file included from include/linux/slab.h:136:
>> include/linux/kasan.h:56:41: error: use of undeclared identifier 'KASAN_SHADOW_SCALE_SHIFT'
return (void *)((unsigned long)addr >> KASAN_SHADOW_SCALE_SHIFT)
^
>> include/linux/kasan.h:57:5: error: use of undeclared identifier 'KASAN_SHADOW_OFFSET'
+ KASAN_SHADOW_OFFSET;
^
In file included from arch/x86/boot/compressed/pgtable_64.c:3:
In file included from include/linux/efi.h:19:
In file included from include/linux/proc_fs.h:10:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set->sig[3] | set->sig[2] |
^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/x86/boot/compressed/pgtable_64.c:3:
In file included from include/linux/efi.h:19:
In file included from include/linux/proc_fs.h:10:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set->sig[3] | set->sig[2] |
^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/x86/boot/compressed/pgtable_64.c:3:
In file included from include/linux/efi.h:19:
In file included from include/linux/proc_fs.h:10:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:4: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds]
set->sig[1] | set->sig[0]) == 0;
^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/x86/boot/compressed/pgtable_64.c:3:
In file included from include/linux/efi.h:19:
In file included from include/linux/proc_fs.h:10:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:100:11: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set->sig[1] | set->sig[0]) == 0;
^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/x86/boot/compressed/pgtable_64.c:3:
In file included from include/linux/efi.h:19:
In file included from include/linux/proc_fs.h:10:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:113:11: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set1->sig[3] == set2->sig[3]) &&
^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/x86/boot/compressed/pgtable_64.c:3:
In file included from include/linux/efi.h:19:
In file included from include/linux/proc_fs.h:10:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:113:27: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds]
return (set1->sig[3] == set2->sig[3]) &&
^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/x86/boot/compressed/pgtable_64.c:3:
In file included from include/linux/efi.h:19:
In file included from include/linux/proc_fs.h:10:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:5: warning: array index 2 is past the end of the array (which contains 1 element) [-Warray-bounds]
(set1->sig[2] == set2->sig[2]) &&
^ ~
arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/x86/boot/compressed/pgtable_64.c:3:
In file included from include/linux/efi.h:19:
In file included from include/linux/proc_fs.h:10:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:

vim +/KASAN_SHADOW_SCALE_SHIFT +56 include/linux/kasan.h

69786cdb379bbc Andrey Ryabinin 2015-08-13 50
9577dd74864877 Andrey Konovalov 2018-12-28 51 int kasan_populate_early_shadow(const void *shadow_start,
69786cdb379bbc Andrey Ryabinin 2015-08-13 52 const void *shadow_end);
69786cdb379bbc Andrey Ryabinin 2015-08-13 53
0b24becc810dc3 Andrey Ryabinin 2015-02-13 54 static inline void *kasan_mem_to_shadow(const void *addr)
0b24becc810dc3 Andrey Ryabinin 2015-02-13 55 {
0b24becc810dc3 Andrey Ryabinin 2015-02-13 @56 return (void *)((unsigned long)addr >> KASAN_SHADOW_SCALE_SHIFT)
0b24becc810dc3 Andrey Ryabinin 2015-02-13 @57 + KASAN_SHADOW_OFFSET;
0b24becc810dc3 Andrey Ryabinin 2015-02-13 58 }
0b24becc810dc3 Andrey Ryabinin 2015-02-13 59

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

Next message: Chen-Yu Tsai: "[PATCH v2 20/31] clk: mediatek: mtk: Clean up included headers"
Previous message: Biju Das: "RE: [PATCH v2] soc: renesas: Add support for reading product revision for RZ/G2L family"
In reply to: Christophe Leroy: "[PATCH 4/4] [RFC] risc/kasan: Use kasan_pXX_table()"
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