On 2021/10/12 4:53, Andrew Morton wrote:
On Mon, 11 Oct 2021 18:12:44 +0530 Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
+ Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
On Mon, 11 Oct 2021 at 17:08, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
Regression found on x86_64 gcc-11 built with KASAN enabled.
Following build warnings / errors reported on linux next 20211011.
metadata:
git_describe: next-20211011
git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
git_short_log: d3134eb5de85 (\"Add linux-next specific files for 20211011\")
target_arch: x86_64
toolchain: gcc-11
build error :
--------------
mm/kasan/init.c:282:20: error: redefinition of
'kasan_populate_early_vm_area_shadow'
282 | void __init __weak kasan_populate_early_vm_area_shadow(void *start,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/mm.h:34,
from include/linux/memblock.h:13,
from mm/kasan/init.c:9:
include/linux/kasan.h:463:20: note: previous definition of
'kasan_populate_early_vm_area_shadow' with type 'void(void *, long
unsigned int)'
463 | static inline void kasan_populate_early_vm_area_shadow(void *start,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[3]: *** [scripts/Makefile.build:288: mm/kasan/init.o] Error 1
make[3]: Target '__build' not remade because of errors.
Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
build link:
-----------
https://builds.tuxbuild.com/1zLv2snHfZN8QV01yA9MB8NhUZt/build.log
build config:
-------------
https://builds.tuxbuild.com/1zLv2snHfZN8QV01yA9MB8NhUZt/config
# To install tuxmake on your system globally
# sudo pip3 install -U tuxmake
tuxmake --runtime podman --target-arch x86_64 --toolchain gcc-11
--kconfig defconfig --kconfig-add
https://builds.tuxbuild.com/1zLv2snHfZN8QV01yA9MB8NhUZt/config
Presumably "kasan: arm64: fix pcpu_page_first_chunk crash with
KASAN_VMALLOC". Let's cc Kefeng.
Yes, I send a fix patch, and reply this mail, see
https://lore.kernel.org/linux-mm/5077aa7e-0167-33b6-35f0-0ea7df8f2375@xxxxxxxxxx/
.
