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SubjectRe: mm/kasan/init.c:282:20: error: redefinition of 'kasan_populate_early_vm_area_shadow'
+ Andrew Morton <akpm@linux-foundation.org>

On Mon, 11 Oct 2021 at 17:08, Naresh Kamboju <naresh.kamboju@linaro.org> 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@linaro.org>
>
> 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
>
> --
> Linaro LKFT
> https://lkft.linaro.org

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